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| P4596 Datasheet, PDF (2/4 Pages) Unisonic Technologies – PWM CONTROL 3A STEP-DOWN CONVERTER | |||
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P4596
 PIN CONFIGURATION
Preliminary
LINEAR INTEGRATED CIRCUIT
 PIN DESCRIPTION
PIN NO.
1
2
3
4
5
6
7
8
PIN NAME
EN/SS
VSS
VGATE
VCC
SW
FB
COMP
OSC
Enable and Soft-start pin
Ground
Driver GATE clamping pin.
IC power supply pin
Switch pin.
Feedback voltage
Compensation pin
Frequency Set Pin.
 BLOCK DIAGRAM
DESCRIPTION
EN/SS
BIAS
1.23V
2.5V
REFERENCE REGULATOR
START-UP
Oscillator
OCP
0.815 V
+
FB
AMP
-
COMP.
+
COMP.
-
PWM
OTP
COMP
OSC
SW
VCC
VGATE
VSS
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 4
QW-R103-064.a
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