UCC3915N

更新时间： 2024-10-02 12:16:55

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
15页	663K
描述
15-V PROGRAMMABLE HOT SWAP POWER MANAGER

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中文翻译

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数据手册
替代型号

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UCC3915N 数据手册

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SLUS198C – FEBUARY 2000 - REVISED - JUNE 2001

Integrated 0.15-Ω Power MOSFET

Thermal Shutdown

7-V to 15-V Operation

Fault-Output Indicator

Digital-Programmable Current Limit from

0 A to 3 A

Maximum-Output Current Can Be Set to 1 A

Above the Programmed-Fault Level or to a

Full 4 A

100-µA I

When Disabled

Power SOIC and TSSOP, Low Thermal

Resistance Packaging

Programmable On Time

Programmable Start Delay

Fixed 2% Duty Cycle

description

The UCC3915 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 . All control and housekeeping functions are integrated,

and externally programmable. These include the fault current level, maximum output sourcing current,

maximum fault time, and startup 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. (continued)

block diagram

VIN

REVERSE VOLTAGE

COMPARATOR

–

30 mV

CHARGE

PUMP

H = 4 A

IMAX 10

OUT

MAX

CURRENT

LEVEL

CURRENT SENSE

H = OPEN

4 A

–

POWER

FET *

LINEAR CURRENT

AMPLIFIER

1 A

ABOVE

FAULT

14 VOUT

15 VOUT

OVER CURRENT

COMPARATOR

ON TIME

CONTROL

CURRENT FAULT

LEVEL 0–3 A

–

2% DUTY

CYCLE

THERMAL

SHUTDOWN

1.5 V

0–3 A

–

0.25

RES

INTERNAL

BIAS

SHTDWN

HEAT SINK

GND PINS

GND

FAULT

4 BIT DAC

UDG-99174

NOTE: Pin numbers refer to DIL-16 and SOIC-16 packages.

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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POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...15

中文翻译

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UCC3915N 替代型号

型号	品牌	替代类型	描述	数据表
UCC3915NG4	TI	完全替代	15-V PROGRAMMABLE HOT SWAP POWER MANAGER

与UCC3915N相关器件

型号	品牌	获取价格	描述	数据表
UCC3915NG4	TI	获取价格	15-V PROGRAMMABLE HOT SWAP POWER MANAGER
UCC3915PWP	TI	获取价格	15-V PROGRAMMABLE HOT SWAP POWER MANAGER
UCC3915PWPG4	TI	获取价格	15-V PROGRAMMABLE HOT SWAP POWER MANAGER
UCC3915PWPTR	TI	获取价格	15-V PROGRAMMABLE HOT SWAP POWER MANAGER
UCC3915PWPTRG4	TI	获取价格	15-V PROGRAMMABLE HOT SWAP POWER MANAGER
UCC3916	TI	获取价格	SCSI Termpower Manager
UCC39161	TI	获取价格	LOW CURRENT HOT SWAP POWER MANAGER
UCC39161DP	ETC	获取价格	Power Control/Management
UCC3916DP	TI	获取价格	SCSI Termpower Manager
UCC3916DPG4	TI	获取价格	SCSI Termpower Manager

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