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Details for TPS61028DRCR by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
SYNCHRONOUS BOOST CONVERTER SON-10
TPS61028DRCR image

TPS61028DRCR by Texas Instruments

SYNCHRONOUS BOOST CONVERTER SON-10
Features
96% Efficient Synchronous Boost Converter
Device Quiescent Current: 25 u00b5A (Typ)
Fixed and Adjustable Output Voltage Options Up to 5.5 V
Input Voltage Range: 0.9 V to 6.5 V
Load Disconnect During Shutdown
Low Battery Comparator
Low EMI-Converter (Integrated Anti-ringing Switch)
Output Voltage Remains Regulated When Input Voltage Exceeds Nominal Output Voltage
Overtemperature Protection
Power Save Mode for Improved Efficiency at Low Output Power
Small 3-mm u00d7 3-mm VSON-10 Package
Part Information
TPS61028DRCR image
RoHS Compliant
Description
The TPS6102x family of devices provide a power supply solution for products powered by either a onecell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Output currents can go as high as 200 mA while using a single-cell alkaline battery, and discharge it down to 0.9 V. The device can also be used for generating 5 V at 500 mA from a 3.3-V rail or a Li-Ion battery. The boost converter is based on a fixed-frequency, pulse width modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the converter enters the power save mode to maintain a high efficiency over a wide-load current range. The Power Save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum peak current in the boost switch is limited to a value of 800 mA, 1500 mA, or 1800 mA depending on the version of the device. The TPS6102x devices keep the output voltage regulated even when the input voltage exceeds the nominal output voltage. The output voltage can be programmed by an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. A low-EMI mode is implemented to reduce ringing and, in effect, lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode. The device is packaged in a 10-pin VSON PowerPAD™ package measuring 3 mm x 3 mm (DRC).
Specifications
Topology:
Synchronous Boost (Step Up)
Input Voltage Min:
900mV
Input Voltage Max:
6.5V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SON
No. of Pins:
10Pins
Output Current:
800mA
Alternate Descriptions
SYNCHRONOUS BOOST CONVERTER, SON-10; Topology:Synchronous Boost (Step Up); Input Voltage Min:900mV; Input Voltage Max:6.5V; No. of Outputs:1Outputs; DC / DC Converter IC Case:SON; No. of Pins:10Pins; Output Current:800mA RoHS Compliant: Yes Newark Electronics
Conv DC-DC Single Step Up 0.9V to 6.5V 10-Pin VSON EP T/R Avnet America
Conv DC-DC Single Step Up 0.9V to 6.5V 10-Pin VSON EP T/R Avnet Europe