Datasheet > UCC2920N

UCC2920N

更新时间： 2024-11-08 20:05:19

品牌	Logo	应用领域
德州仪器 - TI		信息通信管理光电二极管
页数	文件大小	规格书
7页	243K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16, DIP-16

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中文翻译

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技术参数
数据手册

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UCC2920N 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	DIP
包装说明：	DIP, DIP16,.3	针数：	16
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.8
可调阈值：	NO	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：	R-PDIP-T16	长度：	19.305 mm
信道数量：	1	功能数量：	1
端子数量：	16	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	DIP	封装等效代码：	DIP16,.3
封装形状：	RECTANGULAR	封装形式：	IN-LINE
峰值回流温度（摄氏度）：	NOT SPECIFIED	电源：	5,-12 V
认证状态：	Not Qualified	座面最大高度：	5.08 mm
子类别：	Power Management Circuits	最大供电电流 (Isup)：	2 mA
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	3 V
标称供电电压 (Vsup)：	5 V	表面贴装：	NO
技术：	BICMOS	温度等级：	INDUSTRIAL
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7.62 mm	Base Number Matches：	1

UCC2920N 数据手册

UCC2920

UCC3920

PRELIMINARY

–3V to –15V Hot Swap Power Manager

FEATURES

DESCRIPTION

•

Integrated 0.1Ω

The UCC3920 Low RDSon Hot Swap Power Manager provides complete power man-

agement, hot swap capability, and circuit breaker functions. The only component

needed to operate the device, other than supply bypassing, is the fault timing capaci-

tor, CT. All control and housekeeping functions are integrated and externally program-

mable. These include the fault current level, maximum output sourcing current, maxi-

mum fault time, and start up delay. In the event of a constant fault, the internal fixed

2% duty cycle ratio limits the average output power.

Power MOSFET

•

–3V to –15V Operation

Programmable

Electronic Circuit

Breaker

•

Digital Programmable

Current Limit from 0A

to 3A

The internal 3 bit DAC allows programming of the fault level current from 0mA to

500mA with 250mA resolution, and from 500mA to 3A with 500mA resolution. The

IMAX control pin sets the maximum sourcing current to 1A above the fault level when

driven low, and to a full 4A when driven high for applications which require fast output

charging.

Programmable

Maximum Output

Current from 0A to 4A

When the output current is below the fault level, the output MOSFET is switched on

with a nominal resistance of 0.1Ω. When the output current exceeds the fault level or

the maximum sourcing level, the output remains on, but the fault timer starts charging

CT. Once CT charges to a preset threshold, the switch is turned off, and remains off

for 50 times the programmed fault time. When the output current reaches the maxi-

mum sourcing level, the MOSFET transitions form a switch to a constant current

source, regulating the output current at a constant level.

•

Programmable On

Time

Fixed 2% Fault Duty

Cycle

•

Thermal Shutdown

Other features include an Open Drain Fault Output Indicator, Thermal Shutdown, Un-

dervoltage Lockout, –3V to –15V operation, and a low thermal resistance Small Out-

line Power Package. All level shifting is done internally, which means that the DAC,

IMAX and Shutdown Inputs can be driven form the logic supply. The fault output is

also referenced to the logic GND, so this can easily interface back to the logic supply.

Fault Output Indicator

Power SOIC Package

BLOCK DIAGRAM

UDG-96235-1

4/97

12 3 4 5 6 7

中文翻译

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与UCC2920N相关器件

型号	品牌	获取价格	描述	数据表
UCC2921	TI	获取价格	Latchable Negative Floating Hot Swap Power Manager
UCC2921D	TI	获取价格	Latchable Negative Floating Hot Swap Power Manager
UCC2921DG4	TI	获取价格	Latchable Negative Floating Hot Swap Power Manager
UCC2921DTR	TI	获取价格	Latchable Negative Floating Hot Swap Power Manager
UCC2921DTRG4	TI	获取价格	Latchable Negative Floating Hot Swap Power Manager
UCC2921J	TI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, CDIP8, CERAMIC, DIP-8
UCC2921N	ETC	获取价格	Power Control/Management
UCC2926	TI	获取价格	【 20A Integrated Current Sensor
UCC2926DS	TI	获取价格	【 20A Integrated Current Sensor
UCC2926DSTR	TI	获取价格	【 20A Integrated Current Sensor

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