sip41109 Vishay, sip41109 Datasheet - Page 4

• Manufacturer Part Number: sip41109
• Description: Sip41109 - Half-bridge N-channel Mosfet Driver For Dc/dc Conversion
• Manufacturer: Vishay

www.vishay.com
4
SiP41109/41110
Vishay Siliconix
TIMING WAVEFORMS
PIN CONFIGURATION AND TRUTH TABLE
PIN DESCRIPTION
Pin Number
1
2
3
4
5
6
7
8
UGATE
BOOT
PWM
GND
UGate
Phase
LGate
PWM
1
2
3
4
Name
UGATE
PHASE
LGATE
BOOT
PV
PWM
GND
V
CC
CC
SiP41109
SiP41110
Top View
SO-8
t
d(off)H
SiP41109DY-T1—E3
SiP41110DY-T1—E3
Part Number
8-V high-side MOSFET gate drive
Bootstrap supply for high-side driver. The bootstap capacitor is connected between BOOT and PHASE.
Input signal for the MOSFET drivers and tri-state enable
Ground
Synchronous or low-side MOSFET gate drive
12-V supply. Connect a bypass capacitor w1 mF from here to ground
8-V Voltage Regulator Output. Connect a bypass capacitor w1 mF from here to ground
Connection to source of high-side MOSFET, drain of the low-side MOSFET, and the inductor
t
fH
8
7
6
5
50%
2.5 V
PHASE
PV
V
LGATE
90%
CC
ORDERING INFORMATION
SiP41109DB
SiP41110DB
CC
Eval Kit
10%
90%
10%
Temperature Range
t
New Product
d(on)L
−40 to 85_C
−40 to 85_C
t
rL
Temperature Range
t
d(off)L
50%
−40 to 85_C
−40 to 85_C
t
fL
Function
Tri-State
PWM
10%
10%
90%
H
L
Marking
41109
41110
90%
TRUTH TABLE
t
d(on)H
UGATE
t
rH
H
L
L
S-51104—Rev. A, 13-Jun-05
Document Number: 73023
LGATE
H
L
L