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RT9629B Datasheet(PDF) 7 Page - Richtek Technology Corporation

Part # RT9629B
Description  Triple-Channel Synchronous Rectified Buck MOSFET Driver
PDF  14 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9629B Datasheet(HTML) 7 Page - Richtek Technology Corporation

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RT9629B
7
DS9629B-06
July 2015
www.richtek.com
©
Copyright
2015 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Typical Application Circuit
Timing Diagram
PWMx
UGATEx
LGATEx
tUGATEpdh
tLGATEpdl
tUGATEpdl
tLGATEpdh
90%
90%
1.5V
1.5V
1.5V
1.5V
VCC2
PWM1
GND
BOOT1
UGATE1
PHASE1
LGATE1
RT9629B
QUG1
12V
PWM1
VOUT
QLG1
CVCC
CBOOT1
CPH1
RVCC
RBOOT1
RUG1
RLG1
RPH1
L1
2.2
1µF
1
1µF
2.2
0
2.2
3.3nF
PWM2
PWM2
PWM3
PWM3
BOOT2
QUG2
QLG2
CBOOT2
CPH2
RBOOT2
RUG2
RLG2
RPH2
L2
1
1µF
2.2
0
2.2
3.3nF
BOOT3
QUG3
QLG3
CBOOT3
CPH3
RBOOT3
RUG3
RLG3
RPH3
L3
1
1µF
2.2
0
2.2
3.3nF
VIN
VIN
COUT
CIN
UGATE2
PHASE2
LGATE2
UGATE3
PHASE3
LGATE3
21
9
7
5
3, 14, 23,
25 (Exposed Pad)
11
12
13
15
20
19
17
2
24
1
22
VCC1
16
18
POR
10
270µF x 3
820µF x 6
12V
VIN



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