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UCC39151PWPG4 用户编程技术手册 - TI（德州仪器）
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TI（德州仪器）
封装:
TSSOP
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UCC39151PWPG4数据手册
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若手册格式错乱，请下载阅览PDF原文件
SLUS184A – FEBRUARY 1999 – REVISED OCTOBER 2001
1
www.ti.com
FEATURES
D
Integrated 0.15-Ω Power MOSFET
D 7-V to 15-V Operation
D Digital Programmable Current Limit
from 0 A to 3 A
D Programmable On-Time
D Programmable Start Delay
D Fixed 2% Duty Cycle
D Thermal Shutdown
D Fault Output Indicator
D Power SOIC and TSSOP, Low Thermal-
Resistance Packaging
DESCRIPTION
The UCC39151 programmable hot swap power
manager provides complete power management,
hot swap capability, and circuit breaker functions.
The only external component required to operate
the device, other than power supply bypassing, is
the fault timing capacitor, C
T
. All control and
housekeeping functions are integrated, and
externally programmable. These include the fault
current level, maximum output sourcing current,
maximum fault time, and start-up delay. In the
event of a constant fault, the internal fixed 2% duty
cycle ratio limits average output power.
The internal 4-bit DAC allows programming of the
fault level current from 0 A to 3 A with 0.25 A
resolution. The IMAX control pin sets the
maximum sourcing current to 1 A above the trip
level or to a full 4 A of output current for fast output
capacitor charging.
TYPICAL APPLICATION
SHTDWN
14
15
10
1
2
16
11
VOUT
CT
VIN
FAULT
B0
GND
R
L
C
IN
513124
GNDGNDGND
C
OUT
C
SD
R
SD
V
IN
S6
6789
V
IN
S4S3S2 S5
B1 B2 B3 IMAX
S1
C
T
3 VIN
V
IN
HEATSINK GROUND PINS
DIP SWITCH
}
D1 VOUT
+5V
LEDR1
UDG–98176
UCC39151 (16-Pin Package)
Copyright 2001, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
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