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MAX8569A

Maxim Integrated Products
Part Number MAX8569A
Manufacturer Maxim Integrated Products
Description (MAX8569A / MAX8569B) 200mA Step-Up Converters
Published Jan 21, 2007
Detailed Description www.DataSheet4U.com 19-3671; Rev 0; 5/05 KIT ATION EVALU LE B A IL A AV 200mA Step-Up Converters in 6-Pin SOT23 and TD...
Datasheet PDF File MAX8569A PDF File

MAX8569A
MAX8569A

Overview
www.
DataSheet4U.
com 19-3671; Rev 0; 5/05 KIT ATION EVALU LE B A IL A AV 200mA Step-Up Converters in 6-Pin SOT23 and TDFN Features o Over 200mA Available Output Current o 1.
5V to 5.
5V Input Voltage Range o BATT Connected to OUT in Shutdown for Backup Power o Up to 95% Efficiency o 7µA Typical Quiescent Current o <1µA Shutdown Supply Current o Internal Synchronous Rectifier o 750mA Switch Current Limit o RST Output (MAX8569B) o Adjustable Output Voltage (MAX8569A) o Fixed 3.
0V or 3.
3V Output Voltage (MAX8569B) General Description The MAX8569A/MAX8569B low-quiescent-current boost regulators provide up to 200mA at output voltages up to 5.
5V from a 1.
5V to 5.
5V input source.
The built-in synchronous rectifier allows for over 90% efficiency while achieving small size and low cost by eliminating the need for an external Schottky diode.
The MAX8569A provides an adjustable output while the MAX8569B is fixed at 3.
0V or 3.
3V.
The MAX8569B features a power-on reset output (RST) to signal that the output has reached regulation.
All devices connect the battery input to the output during shutdown, allowing the input battery to be used as a backup or real-time clock supply when the converter is off.
MAX8569A/MAX8569B Applications Medical Diagnostic Equipment Digital Cameras PDAs and Smartphones Cordless Phones Battery Backup PC Cards Local 3.
3V or 5V Supply Ordering Information PART MAX8569AEUT-T* MAX8569AETT+ MAX8569BEUT-T* MAX8569BETT+ MAX8569BETT30+ TEMP RANGE -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C PIN-PACKAGE 6 SOT23-6 (U6FH-6) 6 TDFN 3mm x 3mm (T633-1) 6 SOT23-6 (U6FH-6) 6 TDFN 3mm x 3mm (T633-1) 6 TDFN 3mm x 3mm (T633-1) Typical Operating Circuit BATT 2V INPUT ON OFF SHDN GND MAX8569B RST POWER-ON RESET OUT 3.
3V, 200mA OUTPUT LX *Future product—contact factory for availability.
Selector Guide appears at end of data sheet.
+Denotes lead-free packaging.
Pin Configurations OUT LX TOP VIEW FB (RST) TOP VIEW SHDN 1 MAX8569A (MAX8569...


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