UC3845B

更新时间： 2024-01-18 19:41:06

品牌	Logo	应用领域
安森美 - ONSEMI		开关光电二极管控制器
页数	文件大小	规格书
20页	320K
描述
HIGH PERFORMANCE CURRENT MODE CONTROLLERS

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技术参数
数据手册

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UC3845B 技术参数

生命周期：	Obsolete	包装说明：	DFP, FL14,.25
Reach Compliance Code：	unknown	风险等级：	5.84
Is Samacsys：	N	控制模式：	CURRENT-MODE
JESD-30 代码：	R-XDFP-F14	端子数量：	14
最高工作温度：	70 °C	最低工作温度：
最大输出电流：	0.2 A	封装主体材料：	CERAMIC
封装代码：	DFP	封装等效代码：	FL14,.25
封装形状：	RECTANGULAR	封装形式：	FLATPACK
认证状态：	Not Qualified	子类别：	Switching Regulator or Controllers
表面贴装：	YES	最大切换频率：	500 kHz
技术：	BIPOLAR	温度等级：	COMMERCIAL
端子形式：	FLAT	端子节距：	1.27 mm
端子位置：	DUAL	Base Number Matches：	1

UC3845B 数据手册

UC3844B, UC3845B, UC2844B, UC2845B

7(12)

5.0V

Reference

ref

Undervoltage

Lockout

8(14)

ref

Undervoltage

Lockout

7(11)

Output

6(10)

R /C

Oscillator

4(7)

Latching

PWM

Power

Ground

Voltage

Feedback

Input

5(8)

3(5)

2(3)

1(1)

Error

Amplifier

Current

Sense Input

Output/

Compensation

GND

5(9)

Pin numbers in parenthesis are for the D suffix SOIC−14 package.

Figure 1. Simplified Block Diagram

ORDERING INFORMATION

Operating

Temperature Range

†

Device

Package

SOIC−14

Shipping

UC384xBD

55 Units/Rail

UC384xBDR2

UC3844BDR2G

2500 Tape & Reel

SOIC−14

(Pb−Free)

UC384xBD1

SOIC−8

98 Units/Rail

UC3844BD1G

SOIC−8

(Pb−Free)

T = 0° to +70°C

UC384xBD1R2

SOIC−8

2500 Tape & Reel

UC384xBD1R2G

SOIC−8

(Pb−Free)

UC384xBN

PDIP−8

50 Units/Rail

UC384xBNG

PDIP−8

(Pb−Free)

UC2845BD

SOIC−14

55 Units/Rail

UC284xBDR2

UC2845BDR2G

2500 Tape & Reel

SOIC−14

(Pb−Free)

UC2845BD1

SOIC−8

98 Units/Rail

T = −25° to +85°C

UC284xBD1R2

UC284xBD1R2G

2500 Tape & Reel

SOIC−8

(Pb−Free)

UC2844BN

PDIP−8

SOIC−14

SOIC−8

PDIP−8

50 Units/Rail

55 Units/Rail

UC384xBVD

UC3844BVDR2

UC384xBVD1

UC384xBVD1R2

UC384xBVN

2500 Tape & Reel

98 Units/Rail

T = −40° to +105°C

2500 Tape & Reel

50 Units/Rail

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

x indicates either a 4 or 5 to define specific device part numbers.

http://onsemi.com

123 4 5 6 7...20

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