ACT336 Просмотр технического описания (PDF) - Active-Semi, Inc
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ACT336 Datasheet PDF : 3 Pages
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ACT336
Product Brief, 15-Apr-11
ORDERING INFORMATION
PART NUMBER TEMPERATURE RANGE
ACT336SH-T
-40°C to 85°C
PACKAGE PINS
SOP-8
8
PACKING
METHOD
TAPE & REEL
TOP MARK
ACT336SH
PIN CONFIGURATION
SOP-8
ACT336SH
PIN DESCRIPTIONS
PIN
SOP-8
1
2,4,7
8
6
5
3
NAME
DESCRIPTION
SW
G
BD
VDD
FB
CS
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.
Ground(2,4 and 7 pin must be connected together).
Base Drive. Base driver for the external NPN transistor.
Power Supply. This pin provides bias power for the IC during startup and steady state
operation.
Feedback Pin. Connect this pin to a resistor divider network from the auxiliary winding.
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.
Innovative PowerTM
-2-
www.active-semi.com
Copyright © 2011 Active-Semi, Inc.
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