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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsICL7660SCBAZ
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ICL7660SCBAZ - Intersil

Manufacturer Part Number
ICL7660SCBAZ
Manufacturer
Intersil (Renesas Electronics Corporation)
Allelco Part Number
32D-ICL7660SCBAZ
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
17,500 pcs available, New & Original
Parts Description
ICL7660 SWITCHED CAPACITOR CONVE
Package
8-SOIC
Data sheet
-
RoHs Status
 
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In stock: 17500

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Specifications

ICL7660SCBAZ Tech Specifications
Intersil - ICL7660SCBAZ technical specifications, attributes, parameters and parts with similar specifications to Intersil - ICL7660SCBAZ

Product Attribute Attribute Value
Manufacturer Intersil (Renesas Electronics Corporation)
Voltage - Output (Min/Fixed) -Vin, 2Vin
Voltage - Output (Max) -
Voltage - Input (Min) 1.5V
Voltage - Input (Max) 12V
Topology Charge Pump
Synchronous Rectifier No
Supplier Device Package 8-SOIC
Series -
Package / Case 8-SOIC (0.154", 3.90mm Width)
Product Attribute Attribute Value
Package Bulk
Output Type Fixed
Output Configuration Positive or Negative
Operating Temperature 0°C ~ 70°C (TA)
Number of Outputs 1
Mounting Type Surface Mount
Function Ratiometric
Frequency - Switching 10kHz ~ 35kHz
Current - Output 45mA

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

How does the ICL7660SCBAZ compare to other charge pump regulators in terms of input voltage range and output current capability when designing a single-cell battery-powered system?
The ICL7660SCBAZ supports an input voltage range from 1.5V to 12V, making it suitable for single-cell lithium-ion or alkaline battery applications down to near-undervoltage conditions. With a maximum output current of 45mA, it can efficiently drive low-power loads such as LCD bias circuits or small motor drivers without requiring additional buffering stages. When compared to alternatives like the MAX1044 or MAX660, the ICL7660SCBAZ offers similar topology but with broader input flexibility at the cost of slightly lower efficiency under light loads due to its fixed switching frequency of 10kHz–35kHz.
What are the implications of using the ICL7660SCBAZ in a negative voltage generation circuit versus a dual positive/negative configuration, and how does this affect system stability?
The ICL7660SCBAZ generates either a negative output (-Vin) or a doubled positive output (2Vin) depending on external capacitor configuration. In a standard -Vin setup, the device inverts the input rail to create a regulated negative supply, useful for op-amp biasing or analog signal conditioning. When configured for 2Vin operation, it doubles the input voltage, which is beneficial for boosting weak signals but increases power dissipation proportionally. Both modes share the same 45mA current limit and exhibit ripple dependent on flying capacitor value and load; thus, careful selection of ceramic or tantalum capacitors above 1µF is essential to maintain stability across the 0°C to 70°C operating range.
Can the ICL7660SCBAZ be used reliably in automotive environments, and what design precautions should be taken given its specified temperature range?
No, the ICL7660SCBAZ is rated only from 0°C to 70°C (TA), which excludes typical automotive-grade temperature ranges extending down to -40°C or up to +125°C. While it may function temporarily outside this window, long-term reliability cannot be guaranteed. For non-automotive applications—such as industrial control panels or consumer electronics—the part performs adequately within indoor ambient conditions. Engineers should ensure adequate thermal derating if deployed near heat sources and avoid mounting adjacent to high-power components that could elevate junction temperatures beyond safe limits.
How does the switching frequency of the ICL7660SCBAZ influence component selection, particularly in relation to capacitor size and EMI characteristics?
Operating between 10kHz and 35kHz, the ICL7660SCBAZ allows relatively large external capacitors (typically 1µF–10µF) to be used while maintaining reasonable efficiency. This low-frequency operation simplifies filtering requirements and reduces audible noise compared to higher-frequency converters. However, it also limits transient response speed, meaning rapid load changes may result in noticeable output droop. Capacitors must have stable capacitance over temperature and voltage—ceramic types (e.g., X7R) are acceptable only if voltage rating exceeds peak input by at least 20%, whereas tantalums offer better bulk capacitance but carry ESR-related stability risks if not paired with proper compensation networks.
In what scenarios would one choose the ICL7660SCBAZ over a buck-boost converter for generating multiple supply rails?
The ICL7660SCBAZ is ideal when space, cost, and simplicity outweigh efficiency concerns—such as in handheld devices where a single-cell LiPo powers both logic (3V) and an LCD (-5V bias). Unlike buck-boost ICs, it requires no inductors, reducing board area and electromagnetic interference. However, because it relies on capacitive charge transfer, its efficiency drops significantly above 50mA loads or when converting large voltage swings (e.g., 12V to -12V). Thus, for moderate-current, low-complexity negative or boosted-positive rails in compact designs, the ICL7660SCBAZ remains competitive despite lower peak efficiency (~60% typical).
What considerations apply when cascading multiple ICL7660SCBAZ stages to achieve deeper negative voltages?
Cascading two ICL7660SCBAZ units—first generating -Vin and then feeding that into another stage for -2Vin—is possible but introduces cumulative losses and increased output impedance. Each stage contributes ripple and limits available current further due to the 45mA ceiling per unit. Additionally, layout parasitics and inter-stage coupling can destabilize oscillation unless carefully managed with decoupling capacitors placed close to each IC’s VCC and GND pins. Given these limitations, single-stage solutions or alternative architectures (e.g., switched-capacitor arrays) are often preferred for multi-rail systems requiring stable, low-noise supplies below -10V.
How does the Moisture Sensitivity Level (MSL) rating of MSL 1 for the ICL7660SCBAZ impact handling procedures during PCB assembly?
With an MSL 1 classification, the ICL7660SCBAZ is considered moisture-resistant and does not require special drying before reflow soldering. Standard lead-free reflow profiles (e.g., peak temperature ≤260°C for <60 seconds) are acceptable, and storage under normal conditions poses minimal risk of delamination or bond wire lift-off. Nevertheless, handling ESD-sensitive components still necessitates grounding straps and anti-static packaging, even though moisture exposure is not a primary concern during manufacturing flow.
What role does the base product number ICL7660 play in sourcing and compatibility, and why is it important when selecting replacement parts?
The base product number ICL7660 refers to the core architecture shared across variants including the ICL7660SCBAZ. Understanding this helps engineers verify functional equivalence across manufacturers (e.g., Maxim Integrated’s MAX series) and ensures drop-in compatibility in legacy designs. However, critical differences exist in pinouts, package types, temperature grades, and electrical tolerances—so substituting any ICL7660-compatible device without validating all parameters risks system failure. Always confirm full part numbers match not just the base, but also suffixes indicating packaging, speed grade, and environmental compliance.

Parts with Similar Specifications

The three parts on the right have similar specifications to Intersil ICL7660SCBAZ

Product Attribute ICL7660SCBAZ-T ICL7660SCBAZ ICL7660SCBA-T ICL7660SCBA-T-HC
Part Number ICL7660SCBAZ-T ICL7660SCBAZ ICL7660SCBA-T ICL7660SCBA-T-HC
Manufacturer Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc Harris Corporation
Voltage - Input (Min) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Input (Max) - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Output Configuration - - - -
Number of Outputs - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Frequency - Switching - - - -
Voltage - Output (Max) - - - -
Series - - - -
Topology - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Function - - - -
Synchronous Rectifier - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Output (Min/Fixed) - - - -
Current - Output - - - -
Mounting Type - Surface Mount Through Hole Surface Mount

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Customer Reviews

Evaluation: 10 Articles

  • 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.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
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.
Contact us if you have any questions.
  • QC (Quality Warranty)
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  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
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  • IPC
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  • PSMA
ICL7660SCBAZ Image

ICL7660SCBAZ

Intersil
32D-ICL7660SCBAZ

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