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Details for TPS62746YFPT by Texas Instruments
Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators
DC/DC CONVERTER BUCK 1.2MHZ DSBGA-8
TPS62746YFPT image

TPS62746YFPT by Texas Instruments

DC/DC CONVERTER BUCK 1.2MHZ DSBGA-8
Features
1 mA /150 u03a9 Integrated Input Voltage Switch
300 mA Output Current
360nA Operational Quiescent Current
Automatic Transition to No Ripple 100% Mode
Input Voltage Range Down to 2.0 V Once Started
Input Voltage Range VIN from 2.15 V to 5.5 V
Low Output Voltage Ripple
Output Voltage Discharge
Power Save Mode Operation
RF Friendly DCS-Controlu2122
Selectable Output Voltages u2013 1.2V and 1.8V TPS62746
Small 1.6 x 0.9 mm, 8 Ball WCSP Package
Total Solution Size <10mm2
Up to 90% Efficiency at 10-u00b5A Output Current
Part Information
TPS62746YFPT image
RoHS Compliant
Description
The TPS62746 is a high efficiency step down converter with ultra low quiescent current of typical 360 nA. The device is optimized to operate with a 2.2-µH inductor and 10µF output capacitor. The device uses DCS-Control™ and operates with a typical switching frequency of 1.2 MHz. In Power Save Mode the device extends the light load efficiency down to a load current range of 10-µA and below. TPS62746 provides an output current of 100mA. Once started the device operates down to an input voltage range of 2.0 V. This allows to operate the device directly from a single Li-MnO2 coin cell. The TPS62746 provides two programmable output voltages of 1.2V and 1.8V selectable by one voltage select pin. The TPS62746 is optimized to provide a low output voltage ripple and low noise using a small output capacitor. Once the input voltage comes close to the output voltage the device enters the No Ripple 100% mode to prevent an increase of output ripple voltage. In this operation mode the device stops switching and turns the high side MOSFET switch on. The TPS62746 has an integrated 1-mA switch that connects the supply voltage at pin VIN to the output VINSW. This low current switch that can be used to disconnect a resistor divider from the input supply typically being used to measure the input voltage with an ADC.
Specifications
Topology:
Buck (Step Down)
Input Voltage Min:
2.15V
Input Voltage Max:
5.5V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
DSBGA
No. of Pins:
8Pins
Output Current:
300mA
Output Voltage Min:
1.2V
Output Voltage Max:
1.8V
Switching Frequency:
1.2MHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
Conv DC-DC Single Step Down 2V to 5.5V 8-Pin DSBGA T/R Avnet America
Conv DC-DC Single Step Down 2V to 5.5V 8-Pin DSBGA T/R Avnet Europe