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Details for TPS627451DSST by Texas Instruments
Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators
DC/DC CONV SYNC BUCK 2.5MHZ WSON-12
TPS627451DSST image

TPS627451DSST by Texas Instruments

DC/DC CONV SYNC BUCK 2.5MHZ WSON-12
Features
16 Selectable Output Voltages from u2013 1.8 V to 3.3 V (TPS62745) u2013 1.3 V to 2.8 V (TPS627451)
Input Voltage Range VIN from 3.3 V to 10 V
Integrated Discharge Function at VOUT
Integrated input voltage switch
Low Output Ripple Voltage
Open Drain Power Good Output
Operates with a Tiny 3.3 u00b5H or 4.7 u00b5H Inductor
RF Friendly DCS-Controlu2122
Small 3 mm x 2 mm WSON Package
Typical 400 nA Quiescent Current
Up to 300 mA Output Current
Up to 90% efficiency with load currents >15 u00b5A
Part Information
TPS627451DSST image
RoHS Compliant
Description
The TPS62745 is a high efficiency ultra low power synchronous step down converter optimized for low power wireless applications. It provides a regulated output voltage consuming only 400-nA quiescent current. The device operates from two rechargeable Li-Ion batteries, Li-primary battery chemistries such as Li-SOCl2, Li-SO2, Li-MnO2 or four to six cell alkaline batteries. The input voltage range up to 10 V allows also operation from a USB port and thin-film solar modules. The output voltage is set with four VSEL pins between 1.8 V and 3.3 V for TPS62745 or 1.3 V and 2.8 V for TPS627451. TPS62745 features low output ripple voltage and low noise with a small output capacitor. An internal input voltage switch controlled by pin EN_VIN_SW connects the supply voltage to pin VIN_SW. The switch is intended to be used for an external voltage divider, scaling down the input voltage for an external ADC. The switch is automatically opened when the supply voltage is below the undervoltage lockout threshold. The TPS62745 is available in a small 12 pin 3 mm × 2 mm WSON package.
Specifications
Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
3.3V
Input Voltage Max:
10V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
WSON
No. of Pins:
12Pins
Output Current:
300mA
Output Voltage Min:
1.3V
Output Voltage Max:
2.8V
Switching Frequency:
2.5MHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
10Vin Low IQ Step-Down Converter WSON12 RS Components
Conv DC-DC Single Step Down 3.3V 10V 12-Pin WSON T/R Avnet America
Conv DC-DC Single Step Down 3.3V 10V 12-Pin WSON T/R Avnet Europe