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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsTL7660IDGKR
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TL7660IDGKR - Texas Instruments

Manufacturer Part Number
TL7660IDGKR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TL7660IDGKR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
35,320 pcs available, New & Original
Parts Description
IC REG CHARGE PUMP INV 8VSSOP
Package
8-VSSOP
Data sheet
TL7660IDGKR.pdf

HTML Datasheet

TL7660.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 35320
  • Unit Price: $0.832
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.832 $0.83
10+ $0.704 $7.04
30+ $0.633 $18.99
100+ $0.554 $55.40
500+ $0.519 $259.50
1000+ $0.502 $502.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TL7660IDGKR Tech Specifications
Texas Instruments - TL7660IDGKR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TL7660IDGKR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Output (Min/Fixed) -Vin, 2Vin
Voltage - Output (Max) -
Voltage - Input (Min) 1.5V
Voltage - Input (Max) 10V
Topology Charge Pump
Synchronous Rectifier No
Supplier Device Package 8-VSSOP
Series -
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Product Attribute Attribute Value
Package Tape & Reel (TR)
Output Type Fixed
Output Configuration Positive or Negative
Operating Temperature -40°C ~ 125°C (TA)
Number of Outputs 1
Mounting Type Surface Mount
Function Ratiometric
Frequency - Switching 10kHz
Current - Output -
Base Product Number TL7660

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TL7660IDGKR Image
TL7660IDGKR (1)

Manufacturer Part Number

TL7660IDGKR

Manufacturer

Texas Instruments

Introduction

The TL7660IDGKR is a charge pump-based voltage converter that is designed to provide a positive or negative output voltage from a positive input voltage.

Product Features and Performance

Operates from a single supply voltage between 1.5V and 10V

Provides a fixed output voltage of -Vin or 2Vin, depending on the configuration

Switching frequency of 10kHz

Available in 8-pin VSSOP package

Product Advantages

Charge pump architecture provides a simple and cost-effective solution for voltage conversion

Wide input voltage range allows the device to be used in a variety of applications

Small package size and low power consumption make it suitable for portable and space-constrained designs

Key Technical Parameters

Input Voltage Range: 1.5V to 10V

Output Voltage: -Vin or 2Vin

Switching Frequency: 10kHz

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

RoHS3 compliant

Tape and reel packaging for automated assembly

Compatibility

Compatible with a wide range of electronic devices and systems that require a positive or negative voltage supply

Application Areas

Portable electronics

Sensor systems

Battery-powered devices

Industrial automation and control

Product Lifecycle

The TL7660IDGKR is an active product and is not nearing discontinuation.

Texas Instruments offers a range of similar products and upgrades for this device.

Key Reasons to Choose This Product

Simple and cost-effective voltage conversion solution

Wide input voltage range and flexibility in output configuration

Small package size and low power consumption

Proven reliability and performance in a variety of applications

Availability of compatible and upgraded products from the manufacturer

Frequently Asked Questions(FAQ)

How does the TL7660IDGKR charge pump regulator perform in terms of output voltage stability when operating near its minimum input voltage of 1.5V, and what design considerations should be taken into account for reliable operation?
The TL7660IDGKR maintains ratiometric output behavior with fixed -Vin and 2×Vin options, meaning output voltages scale directly with input. At 1.5V input, the 2×Vin mode delivers approximately 3V while -Vin provides -1.5V. However, at such low input levels, parasitic losses in internal switches and external capacitors increase relative to output power, reducing efficiency and potentially affecting regulation under load transients. Designers should use low-leakage ceramic or specialized polymer capacitors and minimize PCB trace resistance between input and output stages to maintain stability.
In a battery-powered application where the supply voltage drops from 3V to 1.8V over time, how does the TL7660IDGKR handle dynamic changes in output voltage, and what impact does this have on downstream analog circuitry?
Since the TL7660IDGKR operates as a ratiometric regulator, its outputs track the input voltage proportionally. When the input drops from 3V to 1.8V, the 2×Vin mode decreases from 6V to 3.6V, and -Vin shifts from -3V to -1.8V. This means absolute output levels change, which may disrupt biasing or reference circuits expecting fixed voltages. Applications requiring stable absolute outputs despite input variations should incorporate post-regulation or use the device only in constant-input environments, possibly combining it with LDOs for final conditioning.
What are the key differences between using the TL7660IDGKR in inverting versus doubler configuration, and how do these choices affect component count, efficiency, and noise performance in space-constrained designs?
The TL7660IDGKR supports two primary topologies: inverting (generating -Vin) and doubler (providing 2×Vin). The inverting mode requires fewer external components—typically just one flying capacitor and output capacitor—while the doubler needs additional diodes or Schottky diodes for improved efficiency. Doubler configurations exhibit higher output current capability but suffer from greater output ripple due to discontinuous charging. For space-constrained applications, the inverting mode offers a more compact layout, though at the cost of lower output current and slightly higher ripple; doubler mode trades board area for better current delivery and reduced voltage drop across diodes.
Can the TL7660IDGKR drive capacitive loads exceeding 100µF without instability, and what precautions are necessary to ensure reliable startup and transient response?
Yes, the TL7660IDGKR can support moderate capacitive loads up to several hundred microfarads without instability, provided the output capacitor is non-polarized and has low ESR (e.g., ceramic or OS-CON type). However, very large capacitances can slow down the internal feedback loop response due to increased phase lag, potentially causing overshoot during startup or load steps. It's advisable to limit total output capacitance to <220µF unless verified through prototype testing, and to include a small series resistor (1–10Ω) if using electrolytic capacitors to dampen ringing.
How does the switching frequency of 10kHz in the TL7660IDGKR influence electromagnetic compatibility (EMC) and PCB layout requirements compared to higher-frequency charge pumps?
The TL7660IDGKR’s 10kHz switching frequency places its conducted emissions well below typical audio bands and many regulatory limits, which reduces audible noise and simplifies filtering. However, the relatively low frequency demands careful attention to PCB layout to prevent radiated coupling, especially in high-impedance analog sections. Wider traces and shorter loops between input/output capacitors reduce inductive parasitics that could couple noise into sensitive circuits. Despite being easier to shield, the low frequency may require larger filter components if used near strict EMI standards like CISPR 32.
What happens to the TL7660IDGKR’s performance when operated outside the specified temperature range of -40°C to 125°C, and why might thermal management still be important even within this range?
Operating beyond -40°C to 125°C risks permanent damage to semiconductor junctions and degradation of packaging integrity, leading to failure modes such as open circuits or erratic switching. Even within the rated range, the TL7660IDGKR exhibits internal switch resistance and leakage currents that vary with temperature, affecting output accuracy and dropout characteristics. Under sustained high-load conditions or poor thermal dissipation, junction temperatures can exceed safe limits, degrading reliability. Therefore, designers must consider ambient conditions, power dissipation, and package thermal impedance when evaluating long-term operational margins.
How does the absence of synchronous rectification in the TL7660IDGKR affect efficiency compared to modern switched-capacitor regulators, and what alternatives exist if higher efficiency is required?
Without synchronous rectification, the TL7660IDGKR uses passive diodes for energy transfer, resulting in forward-voltage drops (typically 0.3–0.6V) that reduce efficiency, especially at higher currents. For example, at 50mA output in doubler mode with a 0.4V diode drop and 3V input, efficiency falls to roughly 87% instead of 92%+ achievable with synchronous techniques. If efficiency is critical, alternatives like the MAX1044 or LT1054 offer synchronous variants, though they may lack the same integration level. Alternatively, transitioning to a DC-DC converter with integrated MOSFETs provides significantly better efficiency for moderate current requirements.
Is it acceptable to parallel multiple TL7660IDGKR devices to increase output current capacity, and what synchronization or current-sharing mechanisms would be needed?
Parallel operation of TL7660IDGKR devices is generally not recommended due to mismatched internal thresholds and timing skew, which can lead to uneven current sharing and potential overload on one unit. Without precise phase control or active current balancing, circulating currents may develop between chips, causing thermal stress and reduced reliability. Instead, designers should select a single device rated for sufficient current or upgrade to a dedicated multi-output or high-current charge pump IC designed for paralleling, such as those with built-in enable sequencing or interleaving features.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TL7660IDGKR

Product Attribute TL7660IDGKT TL7660IDGKTG4 TL7660CDGKR TL7660IDR
Part Number TL7660IDGKT TL7660IDGKTG4 TL7660CDGKR TL7660IDR
Manufacturer Texas Instruments Luminary Micro / Texas Instruments Texas Instruments Texas Instruments
Topology - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of Outputs - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Series - - - -
Voltage - Output (Max) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Input (Max) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Output (Min/Fixed) - - - -
Voltage - Input (Min) - - - -
Frequency - Switching - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Function - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Output - - - -
Synchronous Rectifier - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Output Configuration - - - -

TL7660IDGKR Datasheet PDF

Download TL7660IDGKR pdf datasheets and Texas Instruments documentation for TL7660IDGKR - Texas Instruments.

HTML Datasheet
TL7660.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

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Region Country Logistic Time(Day)
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Brazil 7
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Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
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TL7660IDGKR Image

TL7660IDGKR

Texas Instruments
32D-TL7660IDGKR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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