Datasheet > FSP3123N33E

FSP3123N33E

更新时间： 2024-09-27 07:00:19

品牌	Logo	应用领域
FOSLINK		转换器
页数	文件大小	规格书
11页	321K
描述
150KHZ 3A PWM BUCK DC/DC CONVERTER

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中文翻译

获取价格

数据手册

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FSP3123N33E 数据手册

150KHZ 3A PWM BUCK DC/DC CONVERTER

FSP3123

FEATURES

GENERAL DESCRIPTION

Output voltage: 3.3V, 5.0V, 12V, and adjustable

output version

The FSP3123 series are monolithic IC that design for

a step-down DC/DC converter, and own the ability of

driving a 3A load without additional transistor

component. Due to reducing the number of external

component, the board space can be saved easily.

The external shutdown function can be controlled by

logic level and then come into standby mode. The

internal compensation makes feedback control have

good line and load regulation without external design.

Regarding protected function, thermal shutdown is to

prevent over temperature operating from damage,

and current limit is against over current operating of

the output switch. If current limit function occurred and

V_FBis down to 0.5V below, the switching frequency

will be reduced. The FSP3123 series operates at a

switching frequency of 150 KHz thus allowing smaller

sized filter components than what would be needed

with lower frequency switching regulators. Other

features include a guaranteed ±4% tolerance on

output voltage under specified input voltage and

output load conditions, and ±15% on the oscillator

frequency. The output version included fixed 3.3V,

5V, 12V, and an adjustable type. The packages are

available in a standard 5-lead TO-220 package, a

5-lead TO-263 package or 8-lead PDIP.

Adjustable version output voltage range:1.23V to

18V±4%

150KHz±15% fixed switching frequency

Voltage mode non-synchronous PWM control

Thermal-shutdown and current-limit protection

ON/OFF shutdown control input

Operating voltage can be up to 22V

Output load current: 3A

Low power standby mode

Built-in switching transistor on chip

TO220-5L，TO263-5L and PDIP8L packages

APPLICATIONS

Simple High-efficiency step-down regulator

On-card switching regulators

Positive to negative converter

PIN CONFIGURATION

(1) TO220-5L

(2) TO263-5L

(Top View)

5 SD

4 FB

3 GND

2 OUTPUT

1 VIN

GND

OUTPUT

VIN

Metal Tab Gnd

(3) PDIP8L

(Top View)

GND

GND GND

GND

Symbol

TO220/TO263

Name

Vin

Descriptions

PDIP

5~8

Operating Voltage Input

Output Switching Output

Gnd

Ground

Output Voltage Feedback Control

ON/OFF Shutdown

VIN OUTPUT FB

2007-6-12

1/11

12 3 4 5 6 7...11

中文翻译

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与FSP3123N33E相关器件

型号	品牌	获取价格	描述	数据表
FSP3123N50AE	FOSLINK	获取价格	150KHZ 3A PWM BUCK DC/DC CONVERTER
FSP3123N50E	FOSLINK	获取价格	150KHZ 3A PWM BUCK DC/DC CONVERTER
FSP3123NAE	FOSLINK	获取价格	150KHZ 3A PWM BUCK DC/DC CONVERTER
FSP3123NE	FOSLINK	获取价格	150KHZ 3A PWM BUCK DC/DC CONVERTER
FSP3123T12AE	FOSLINK	获取价格	150KHZ 3A PWM BUCK DC/DC CONVERTER
FSP3123T12E	FOSLINK	获取价格	150KHZ 3A PWM BUCK DC/DC CONVERTER
FSP3123T33AE	FOSLINK	获取价格	150KHZ 3A PWM BUCK DC/DC CONVERTER
FSP3123T33E	FOSLINK	获取价格	150KHZ 3A PWM BUCK DC/DC CONVERTER
FSP3123T50AE	FOSLINK	获取价格	150KHZ 3A PWM BUCK DC/DC CONVERTER
FSP3123T50E	FOSLINK	获取价格	150KHZ 3A PWM BUCK DC/DC CONVERTER

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