Datasheet > UC3848-D08-T

UC3848-D08-T

更新时间： 2023-02-26 16:07:25

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
12页	271K
描述
Switching Regulator/Controller

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技术参数
数据手册

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UC3848-D08-T 技术参数

生命周期：	Active	Reach Compliance Code：	compliant
风险等级：	5.84

UC3848-D08-T 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UC3848

LINEAR INTEGRATED CIRCUIT

*Pb-free plating product number: UC3848L

Packing

HIGH PERFORMANCE

CURRENT MODE

CONTROLLERS

DESCRIPTION

The UTC UC3848 is designed to provide several special

enhancements to satisfy the needs: Power-Saving mode for low

standby power, Over Current Protection (OCP), Over Voltage

Protection (OVP), Over Load Protection (OLP), Over Temperature

Protection (OTP) etc protection features. IC will be shutdown when

either protection arise and can auto-restart. UVLO featuring typical

start-up current 20µA, and V_CC(ON)12.6V, V_CC(OFF)8.1V. Lower

typical operation current Icc 3.7mA at inactive output. The output

stage, suitable for driving N-Channel MOSFETs, can operate to duty

cycles approach 70%. The UC3848 are fully pin-to-pin compatible

with UC3842 except V_REF-pin and NC-pin. V_REF-pin’s application as

application circuits. Pin FB with an 4kΩ pull up resistor to internal

reference voltage. The UC3848 also have soft-start function avoiding

overshoot, and controlled driver output rise edge time t_Rfor low EMI.

FEATURES

* Low startup and operation current

* 68kHz switching frequency

* Max duty cycle 70%

* Power-saving mode for low power

* Under voltage lockout with hysteresis

* Over temperature protection

* Overload protection

* Over voltage protection

* Leading edge blanking

* Soft start

ORDERING INFORMATION

Ordering Number

Package

Normal

Lead Free Plating

UC3848L-D08-T

UC3848L-S08-R

UC3848L-S08-T

UC3848-D08-T

UC3848-S08-R

UC3848-S08-T

DIP-8

SOP-8

Tube

Tape Reel

Tube

www.unisonic.com.tw

1 of 12

QW-R103-033.C

12 3 4 5 6 7...12

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UC3848DW	TI	获取价格	2.2A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO16, GREEN, PLASTIC, SOIC-16
UC3848G-D08-T	UTC	获取价格	HIGH PERFORMANCE CURRENT MODE CONTROLLERS
UC3848G-S08-R	UTC	获取价格	HIGH PERFORMANCE CURRENT MODE CONTROLLERS
UC3848L-D08-T	UTC	获取价格	HIGH PERFORMANCE CURRENT MODE CONTROLLERS
UC3848L-S08-R	UTC	获取价格	HIGH PERFORMANCE CURRENT MODE CONTROLLERS
UC3848L-S08-T	UTC	获取价格	暂无描述
UC3848N	TI	获取价格	Average Current Mode PWM Controller
UC3848Q	TI	获取价格	2A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PQCC20, PLASTIC, LCC-20
UC3848QTR	TI	获取价格	2.2A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PQCC20
UC3848-S08-R	UTC	获取价格	Switching Regulator/Controller