TPS62825DMQR
Switching Voltage Regulators 2.4-V to 5.5-V input, 2-A step-down converter with 1% accuracy in 1.5-mm x 1.5-mm QFN 6-VSON-HR -40 to 125
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Part Number : TPS62825DMQR
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Package/Case : VSONHR-6
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Brands : TI
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Components Categories : Voltage Regulators - DC DC Switching Regulators
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Datesheet : TPS62825DMQR DataSheet (PDF)
Overview of TPS62825DMQR
The TPS6282x is an easy-to-use, synchronous step-down DC/DC converters family with a very low quiescent current of only 4 µA. Based on the DCS-Control topology, the device provides a fast transient response. The internal reference allows to regulate the output voltage down to 0.6 V with a high feedback voltage accuracy of 1% over the junction temperature range of –40°C to 125°C. The family devices are pin-to-pin and BOM-to-BOM compatible. The entire solution requires a small 470-nH inductor, a single 4.7-µF input capacitor, and two 10-µF or single 22-µF output capacitor.
The TPS6282x is available in two flavors. The first includes an automatically entered power save mode to maintain high efficiency down to very light loads for extending the system battery run-time. The second runs in forced-PWM maintaining a continuous conduction mode to ensure the least ripple in the output voltage and a quasi-fixed switching frequency. The device features a Power-Good signal and an internal soft-start circuit. The device is able to operate in 100% mode. For fault protection, the device incorporates a HICCUP short-circuit protection as well as a thermal shutdown. The device is available in a 6-pin 1.5-mm × 1.5-mm QFN package, offering the highest power density solution.
Key Features
- Available as an integrated-inductor power module: TPSM82821, TPSM82822, and TPSM82823
- DCS-Control topology
- 1% feedback or output voltage accuracy (full temperature range)
- Up to 97% efficiency
- 26-mΩ and 25-mΩ internal power MOSFETs
- 2.4-V to 5.5-V input voltage range
- 4-µA operating quiescent current
- 2.2-MHz switching frequency
- Adjustable output voltage from 0.6 V to 4 V
- Power save mode for light load efficiency
- 100% duty cycle for lowest dropout
- Active output discharge
- Power-good output
- Thermal shutdown protection
- Hiccup short-circuit protection
- A forced-PWM version for CCM operation
- Create a custom design using the TPS6282x with the WEBENCH Power Designer
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Vin (min) (V) | 2.4 | Vin (max) (V) | 5.5 |
Vout (min) (V) | 0.6, 1.8, 3.3 | Vout (max) (V) | 1.8, 3.3, 4 |
Iout (max) (A) | 2 | Iq (typ) (mA) | 0.004 |
Switching frequency (min) (kHz) | 2200 | Switching frequency (max) (kHz) | 2200 |
Features | Enable, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO fixed | Operating temperature range (°C) | -40 to 125 |
Rating | Catalog | Regulated outputs (#) | 1 |
Control mode | Constant on-time (COT), DCS-Control | Duty cycle (max) (%) | 100 |
Type | Converter |
Warranty & Returns
Warranty, Returns, and Additional Information
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Returns for refund: within 90 days
Returns for Exchange: within 90 days
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