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CSD95377Q4M 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
DC/DC转换器
封装:
VSON-Clip-8
描述:
20V 35A SON 3.5 x 4.5mm 同步降压 NexFET™ 功率级 8-VSON-CLIP -40 to 150
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CSD95377Q4M数据手册
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PWM
8
7
6
5
4
9
P
GND
1
V
IN
SKIP#
V
SW
V
DD
P
GND
BOOT
BOOT_R
2
3
3
CSD95377Q4M
www.ti.com.cn
ZHCSEI7 –DECEMBER 2015
Copyright © 2015, Texas Instruments Incorporated
5 Pin Configuration and Functions
SON 3.5 × 4.5 mm
Top View
Pin Functions
PIN
DESCRIPTION
NO. NAME
1 SKIP# This pin enables the Diode Emulation function. When this pin is held Low, Diode Emulation Mode is enabled for the
Sync FET. When SKIP# is High, the CSD95377Q4M operates in Forced Continuous Conduction Mode. A tri-state
voltage on SKIP# puts the driver into a very-low power state.
2 V
DD
Supply voltage to Gate Drivers and internal circuitry
3 P
GND
Power ground, needs to be connected to Pin 9 and PCB
4 V
SW
Voltage switching node – pin connection to the output inductor
5 V
IN
Input voltage pin. Connect input capacitors close to this pin.
6 BOOT_R Bootstrap capacitor connection. Connect a minimum 0.1 µF 16 V X5R, ceramic capacitor from BOOT to BOOT_R
pins. The bootstrap capacitor provides the charge to turn on the Control FET. The bootstrap diode is integrated.
Boot_R is internally connected to V
SW
.
7 BOOT
8 PWM Pulse width modulated tri-state input from external controller. Logic Low sets Control FET gate low and Sync FET gate
high. Logic High sets Control FET gate high and Sync FET gate Low. Open or High-Z sets both MOSFET gates low if
greater than the Tri-State Shutdown Hold-off Time (t
3HT
)
9 P
GND
Power ground
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