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RT4812 Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT4812
Description  High Efficiency Boost Converter
PDF  14 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT4812 Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT4812
Copyright © 2015 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
DS4812-00
June
2015
2
Pin Configurations
(TOP VIEW)
5
3
4
6
8
2
7
TSOT-23-8 (FC)
Functional Pin Description
Pin No.
Pin Name
Pin Function
1
VIN
Power Input. Input capacitor CIN must be placed as close to IC as possible.
2
FB
Voltage Feedback.
3
VOUT
Boost Converter Output.
4
PGND
Power Ground.
5
GND
Analog Ground.
6
SW
Switching Node.
7
EN
Enable Input (1 enabled, 0 disabled), must not be left open.
8
ILIM
Current Limit Control Pin. (H/L)
Functional Block Diagram
Gate
DRV
AMP
VOUT
GND
PWM
CTRL
VREF
Digital
CTRL
SW
PGND
ILIM
VIN
OSC
OTP
UVLO
OCP
FB
EN
+
-
SW Control



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