FDMF6705B Fairchild Semiconductor, FDMF6705B Datasheet - Page 2

• Manufacturer Part Number: FDMF6705B
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FDMF6705B • Rev. 1.0.2
Typical Application Circuit
DrMOS Block Diagram
THWN#
VCIN
DISB#
PWM
PWM Input
Open-Drain
Output
OFF
CGND
DISB#
R
R
V
DN_PWM
ON
UP_PWM
5V
10µA
UVLO
V
CIN
Sense
Temp.
C
VDRV
3-State
Input
Logic
DISB#
SMOD#
THWN#
PWM
SMOD#
V
CIN
Figure 1. Typical Application Circuit
VDRV
Figure 2. DrMOS Block Diagram
VDRV
10µA
FDMF6705B
CGND
Logic
Logic
GL
GH
VCIN
PGND
VIN
Dead Time
Control
2
Level Shift
PHASE
VSWH
BOOT
D
Boot
R
BOOT
C
VIN
BOOT
V
C
DRV
BOOT
GH
V
3V ~ 24V
IN
L
GL
30kΩ
30kΩ
OUT
PGND
VIN
C
Q1
HS Power
MOSFET
Q2
LS Power
MOSFET
OUT
PHASE
VSWH
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V
OUT