IRDC3710-QFN International Rectifier, IRDC3710-QFN Datasheet - Page 5

• Manufacturer Part Number: IRDC3710-QFN
• Description: BOARD EVAL SYNC BUCK CONTROLLER
• Manufacturer: International Rectifier

Specifications of IRDC3710-QFN

• Lead Free Status / Rohs Status: Supplier Unconfirmed

IC PIN ORDER AND DESCRIPTION
Page 5 of 20
NAME
BOOT
FF
EN
ISET
PGOOD
GND
FCCM
FB
SS
VCC
CPO
PVCC
LGATE
PGND
PHASE
UGATE
NUMBER
12
16
10
11
13
14
15
1
2
3
4
5
6
7
8
9
I/O LEVEL
V
V
3.3V
32V
3.3V
Reference
3.3V
3.3V
3.3V
3.3V
3.3V
7.4V
PVCC
Reference
V
V
IN
IN
IN
IN
+PVCC
+ V5
www.irf.com
BOOT
ISET
EN
FF
PGOOD
DESCRIPTION
Bootstrapped gate drive supply – connect a capacitor to PHASE
Input voltage feed forward – sets on-time with a resistor to V
Enable input; EN = LOW inhibits GATE pulses
Current limit setting with a resistor to PH pin
Power good – pull up to 3.3V
Bias return and signal reference
Force continuous conduction mode when pulled up to VCC
Feedback input
Set soft start slew-rate with a capacitor to GND
IC bias supply
Charge Pump Output
Gate drive supply
Lower gate drive for synchronous MOSFET
Power return – connect to source of synchronous MOSFET
Phase node (or switching node) of MOSFET half bridge
Upper gate drive for control MOSFET
1
2
4
3
θ
θ
JA
IR Confidential
JC
GND
= 49
= 4
GND
FCCM
o
o
C/W
C/W
FB
12
11
10
9
CPO
PVCC
VCC
SS
IR3710MTRPBF
IN
4/26/10