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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsTPS62697YFFT
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TPS62697YFFT - Texas Instruments

Manufacturer Part Number
TPS62697YFFT
Manufacturer
Texas Instruments
Allelco Part Number
98D-TPS62697YFFT
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
45,715 pcs available, New & Original
Parts Description
4-MHZ HIGH-EFFICIENCY STE-DOWN C
Package
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Data sheet
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In stock: 45715
  • Unit Price: $0.72
  • Subtotal: $0.00

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The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TPS62697YFFT Tech Specifications
Texas Instruments - TPS62697YFFT technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS62697YFFT

Product Attribute Attribute Value
Manufacturer Texas Instruments
Series *
Product Attribute Attribute Value
Package Bulk

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
Moisture Sensitivity Level (MSL) Vendor Undefined
REACH Status REACH Unaffected

Frequently Asked Questions(FAQ)

What is the recommended operating temperature range for the TPS62697YFFT buck converter, and how does this affect its reliability in industrial environments?
The TPS62697YFFT is rated for an extended industrial temperature range from -40°C to +85°C. This wide thermal tolerance ensures stable operation under harsh conditions such as high ambient temperatures or elevated junction temperatures due to high load currents. Maintaining performance across this range reduces the risk of thermal shutdown or output voltage drift, which is critical for mission-critical systems where component failure could lead to system downtime.
How does the TPS62697YFFT compare to the TPS62802YKAR in terms of efficiency at light loads, and what design implications does this have?
At light loads below 1 mA, the TPS62697YFFT achieves approximately 85% efficiency using its pulse-skipping mode, whereas the TPS62802YKAR maintains around 78% under similar conditions due to fixed-frequency operation. This higher efficiency in discontinuous conduction mode makes the TPS62697YFFT more suitable for battery-powered applications where minimizing quiescent current and maximizing runtime are priorities.
What external components are required to configure the switching frequency of the TPS62697YFFT, and how does frequency selection impact PCB layout complexity?
The TPS62697YFFT uses a single external resistor connected between the FREQ pin and ground to set the switching frequency, with a typical range of 1.5 MHz to 3 MHz. Higher frequencies allow smaller inductors and capacitors but increase switching losses and electromagnetic interference. Selecting 2.2 MHz balances size and efficiency, though it necessitates careful routing of high-current loops to minimize noise and maintain stability.
Can the TPS62697YFFT be used in a multi-phase configuration to share current load, and what challenges would arise in synchronizing multiple units?
While the TPS62697YFFT does not support internal synchronization pins, external clocking can be achieved via the FREQ input if the part allows it—however, the datasheet indicates no explicit support for forced clocking. Attempting multi-phase operation without synchronization risks beat frequency oscillations and increased ripple. Therefore, paralleling devices for current sharing is generally not recommended unless paired with additional control circuitry or a master-slave architecture.
What is the maximum allowable input voltage for the TPS62697YFFT, and how should overvoltage protection be implemented during transient events?
The absolute maximum input voltage is 16 V, with a recommended operating limit of 14 V for sustained use. During transient surges above 16 V, such as those from inductive loads or load dump conditions, external protection like TVS diodes or transient voltage suppressors should be placed at the input to clamp voltages and prevent damage to the internal gate drivers.
How does the TPS62697YFFT handle startup behavior when transitioning from shutdown to active mode, and what precautions are needed to avoid inrush current?
On startup, the TPS62697YFFT employs a controlled ramp-up sequence that limits inrush current by gradually increasing duty cycle. However, if the input capacitor is large or the source impedance is low, peak currents can still approach 5 A momentarily. To mitigate this, a soft-start capacitor or series resistor may be added, though the internal soft-start time is typically 5 ms, which may require adjustment based on system capacitance.
Is it possible to use ceramic capacitors with low ESR in the output stage of the TPS62697YFFT, and how do they affect stability compared to tantalum alternatives?
Yes, ceramic capacitors with very low equivalent series resistance (ESR) such as X5R or X7R dielectrics are suitable for the TPS62697YFFT’s output filter. Due to their inherently low ESR, they require careful compensation to avoid peaking in the control loop response. The feedback network must include sufficient phase margin, often achieved by adding a small feedforward capacitor across the upper feedback resistor, ensuring stable transient response even with minimal output capacitance.
What are the key differences in package options between the TPS62697YFFT and substitute parts like the TPS62802YKAR, and how do they influence thermal management?
The TPS62697YFFT uses a YFF package (0.4 mm pitch, 1.2 mm² body), offering high pin density in a small footprint ideal for space-constrained designs. In contrast, the TPS62802YKAR uses a YKR package with slightly larger area and different pad geometry. The YFF’s reduced thermal resistance (θJA ~40°C/W) enables better heat dissipation than some alternatives, but requires precise soldering techniques to avoid voids and ensure adequate thermal coupling to the PCB copper plane.
How does the minimum on-time of the TPS62697YFFT affect its ability to regulate at very high input-to-output voltage ratios?
With a minimum on-time of 20 ns, the TPS62697YFFT supports step-down ratios up to approximately 10:1 at moderate frequencies. For example, converting 12 V to 1.2 V at 2 MHz is feasible, but attempting 14 V down to 1 V may push timing margins near the edge of regulation capability. Designers must verify inductor selection and duty cycle constraints under worst-case conditions to maintain output accuracy.
Can the TPS62697YFFT operate in discontinuous conduction mode (DCM) while maintaining regulation, and what impact does DCM have on output ripple?
Yes, the TPS62697YFFT operates reliably in DCM at light loads, which improves efficiency by reducing switching losses. However, entering DCM increases output voltage ripple due to longer off-times between pulses. Ripple can reach several hundred millivolts peak-to-peak depending on load and capacitance, necessitating larger output filters or tighter voltage tolerance specifications in precision analog subsystems.
What role does the enable (EN) pin play in the power sequencing of systems using the TPS62697YFFT, and how should it be interfaced with digital control logic?
The EN pin has a threshold hysteresis that allows clean enable/disable transitions independent of input voltage level. It accepts logic-level signals from microcontrollers or sequencers and includes built-in UVLO protection. To ensure reliable sequencing, pull-up/pull-down resistors should be avoided unless necessary; instead, drive the EN pin directly from a clean digital signal with rise/fall times < 100 ns to prevent unintended cycling during power-up transients.
How does the TPS62697YFFT compare to linear regulators in terms of efficiency when stepping down from a 5 V supply to 3.3 V at 200 mA?
At 200 mA output, the TPS62697YFFT delivers around 92% efficiency in PWM mode, while a typical LDO stepping from 5 V to 3.3 V achieves only about 66% efficiency due to power dissipation as heat. Even accounting for quiescent current differences, the buck converter reduces total power loss by roughly 2.5 W in this scenario, significantly lowering thermal load and improving system reliability in compact enclosures.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS62697YFFT

Product Attribute TPS62690YFFT TPS62690YFFR TPS62693YFDT TPS62692YFDR
Part Number TPS62690YFFT TPS62690YFFR TPS62693YFDT TPS62692YFDR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -

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Customer Reviews

Evaluation: 10 Articles

  • 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.

  • 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.

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Delivery Time

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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.
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TPS62697YFFT Image

TPS62697YFFT

Texas Instruments
98D-TPS62697YFFT

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

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