Datasheet > IP1844J

IP1844J

更新时间： 2024-09-16 23:58:43

品牌	Logo	应用领域
其他 - ETC		开关控制器
页数	文件大小	规格书
6页	72K
描述
Current-Mode SMPS Controller

阅读下载

中文翻译

获取价格

数据手册

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IP1844J 数据手册

IP1844 SERIES

IP1845 SERIES

SEME

LAB

TOP VIEW

CURRENT MODE

V_REF

COMP

V_CC

V_FB

REGULATING

PULSE WIDTH

MODULATORS

I_SENSE

R_T/C_T

OUTPUT

GROUND

J Package – 8 Pin Ceramic DIP

N Package – 8 Pin Plastic DIP

FEATURES

D-8 Package – 8 Pin Plastic (150) SOIC

• Guaranteed ±1% reference voltage tolerance

TOP VIEW

• Guaranteed ±10% frequency tolerance

V_REF

COMP

N/C

• Low start–up current (<500 A)

N/C

• Under voltage lockout with hysteresis

V_FB

V_CC

• Output state completely defined for all supply

and input conditions

N/C

V_C

• Interchangeable with UC1844 and UC1845

series for improved operation

I_SENSE

N/C

OUTPUT

GROUND

• 500kHz Oscillator operation

250kHz Output operation

POWER

GROUND

R_T/C_T

D-14 Package – 14 Pin Plastic (150) SOIC

Order Information

Part

Number

J–Pack

8 Pin

N–Pack

8 Pin

D–8

8 Pin

D–14

14 Pin

Temp.

Range

Note:

To order, add the package identifier to the

part number.

IP1844

IP2844

IP3844

IP1845

IP2845

IP3845

✔

-55 to +125°C

-25 to +85°C

0 to +70°C

-55 to +125°C

-25 to +85°C

0 to +70°C

✔

eg.

IP1844D–14

IP3845J

✔

ABSOLUTE MAXIMUM RATINGS (T

= 25°C unless otherwise stated)

case

(low impedance source)

Supply Voltage

+30V

Self limiting

(I < 30mA)

Output Current

±1A

Output Energy

(capacitive load)

(pins 2 and 3)

5µJ

Analog Inputs

–0.3V to +V

10mA

Error Amp Output Sink Current

Power Dissipation

= 25°C

J, N Packages

D Package

10mW/°C

amb

case

Derate @ T

> 50°C

amb

Power Dissipation

Derate @ T > 50°C

725mW

7.25mW/°C

amb

Power Dissipation

Derate @ T > 25°C

J, N Packages

16mW/°C

case

Storage Temperature Range

Lead Temperature

–65 to 150°C

+300°C

STG

(soldering, 10 seconds)

Prelim. 2/95

Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.

12 3 4 5 6

中文翻译

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