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ACT337 数据表(PDF) 2 Page - Active-Semi, Inc

部件名 ACT337
功能描述  High Performance ActivePSR??Primary Switching Regulator
PDF  3 Pages
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制造商  ACTIVE-SEMI [Active-Semi, Inc]
网页  http://www.active-semi.com
标志 ACTIVE-SEMI - Active-Semi, Inc

ACT337 数据表(HTML) 2 Page - Active-Semi, Inc

  ACT337 Datasheet HTML 1Page - Active-Semi, Inc ACT337 Datasheet HTML 2Page - Active-Semi, Inc ACT337 Datasheet HTML 3Page - Active-Semi, Inc  
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ACT337
Product Brief, 15-Apr-11
Innovative Power
TM
- 2 -
www.active-semi.com
Copyright © 2011 Active-Semi, Inc.
®
PIN CONFIGURATION
PIN DESCRIPTIONS
PART NUMBER
TEMPERATURE RANGE
PACKAGE
PINS
PACKING
METHOD
TOP MARK
ACT337SH-T
-40°C to 85°C
SOP-8
8
TAPE & REEL
ACT337SH
PIN
NAME
DESCRIPTION
SOP-8
1
SW
Switch Drive. Switch node for the external NPN transistor. Connect this pin to the external
power NPN’s emitter. This pin also supplies current to VDD during startup.
2,4,7
G
Ground(2,4 and 7 pin must be connected together).
8
BD
Base Drive. Base driver for the external NPN transistor.
6
VDD
Power Supply. This pin provides bias power for the IC during startup and steady state
operation.
5
FB
Feedback Pin. Connect this pin to a resistor divider network from the auxiliary winding.
3
CS
Current Sense Pin. Connect an external resistor (RCS) between this pin and ground to set
peak current limit for the primary switch. The peak current limit is set by (0.396V × 0.9) /
RCS. For more detailed information, see Application Information.
ORDERING INFORMATION
SOP-8
ACT337SH
ACT337
Product Brief, 15-Apr-11
®



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