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SX1302

Suosemi
Part Number SX1302
Manufacturer Suosemi
Description Asynchronous Boost Controller
Published Aug 27, 2014
Detailed Description SX1302 Asynchronous Boost Controller General Description The S5139 aa boost boost topology topology switching switchin...
Datasheet PDF File SX1302 PDF File

SX1302
SX1302

Overview
SX1302 Asynchronous Boost Controller General Description The S5139 aa boost boost topology topology switching switching regula regulator control IC for battery-powered applications.
SX1302isis The SX1302 includes a totem-pole single output st age for driving NPN transistor or N-MOS, high precision reference voltage(0.
5V) to compare output voltage with feedback amplifier, an internal duty time control for controlling the minimum duty cycle, programmable soft start with short circuit protection function and logic level control for operating mode or standby mode.
Features  Wide Supply Voltage Operating Range: 1.
8 to 15V  Precision Reference Voltage: 0.
5V ±2%  Low Current Consumption: 5.
5mA in Operation Mode  Low Current Consumption: 1μA in Standby Mode  High Oscillator Frequency: 1MHz max.
 Totem-Pole Output with Adjustable ON / OFF Current (for NPN Transistors or n-Channel MOSFET)  Logic Level Control Stand-by Mode Function  Programmable Soft Start Function (SS)  Short Circuit Protection Function (SCP)  Package: TSSOP-8L Applications  Digital Camera  PDA  Portable Equipment Copyright ©2010 by Suosemi Corporation 1 SX1302 Function Block Diagram VCC OSC Reference voltage supply 1.
25V FB 0.
6V 0.
1V Sawtooth wave oscillator 0.
1V OUT + 36k Error Amp.
500 0.
5V COMP PWM - Comp.
+ + + DTC 0.
6V 30k Output drive control circuit 0.
22V Soft Start SCP GND SCP BR / CTL Pin Descriptions TSSOP-8L Name FB SCP VCC BR / CTL OUT GND OSC COMP No.
I / O 1 2 3 4 5 6 7 8 I I P I O P I O Description Error Amplifier Inverting Input Soft Start and SCP Function Connect a Capacitor to this pin IC power supply Output Current Setting and Control Totem-Pole Output IC Ground Oscillator Output: Connect Capacitor and Resistor to this pin for Frequency Adjustment Error Amplifier Compensation Output Copyright ©2010 by Suosemi Corporation 2 SX1302 Ordering Information Part Number SX1302BWR-LF Operating Temperature -10°C ~ +85°C Package TSSOP-8L MOQ 2500EA Descrip...


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