Diodes AP3436/A - Manual (Page 3)

AP3436/A
Document number: DS37212 Rev. 2 - 2
3 of 15
www.diodes.com
April 2014
© Diodes Incorporated
AP3436/A
A Product Line of
Diodes Incorporated
Pin Descriptions
Pin Number Pin Name Function
1 FB
Voltage Feedback Input. Connect to V
OUT
through a voltage divider to set
the output voltage
2 VCC Analog Power Input
3 VIN Power Input
4, 5 GND Ground. Must be Connected to GND on PCB
6, 7 SW Power Switch Output
8 BOOT High Side Switch Driver Supply
9 PGOOD Open Drain Power Good Output
10 EN Enable
11 Exposed Pad Thermal Connection to the PCB. Must be connected to GND on PCB
Functional Block Diagram
75%
Logic
125%
EA
Voltage
Reference
Soft Start
EN
Shutdown
Logic
Thermal
Shutdown
UVLO
Boot
Charge
Boot
UVLO
Logic and
PWM Latch
PWM
Slope
Compensation
Oscillator
Current Limit and
Short Protection
Current
Sense
FB
1
2
VCC
9 10
PGOOD EN
GND
GND
SW
BOOT
3
VIN
8
6,7
4,5
4,5
+