SC1202ACST-3.3.TR

更新时间： 2024-10-26 13:13:15

品牌	Logo	应用领域
商升特 - SEMTECH		线性稳压器IC 调节器电源电路光电二极管输出元件
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5页	172K
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SC1202 & SC1202A

600mA Low Dropout Positive

Voltage Regulator

POWER MANAGEMENT

Description

Features

The SC1202 series of high performance positive voltage

regulators are designed for use in applications requiring

low dropout performance at full rated current.

Additionally, the SC1202 series provides excellent

regulation over variations due to line, load and

temperature.

u Low dropout performance, 1.3V max.

u Full current rating over line and temperature

u Fast transient response

u ±2% total output regulation over line, load

and temperature

u Adjust pin current max. 90µA over temperature

u Adjustable or fixed output voltages

u Line regulation 0.2% max.

Outstanding features include low dropout performance

at rated current, fast transient response, internal

current limiting and thermal shutdown protection of the

output device. The SC1202 series are three terminal

regulators available in the surface mount SOT-223

package.

u Load regulation 0.4% max.

u SOT-223 package

Applications

u Low voltage microcontrollers

u Microprocessor I/O supplies

u 5V to 3.3V conversion for memory, ASIC, custom

circuits, etc.

Typical Application Circuits

Fixed Voltage Regulator

SC1202-3.3

TAB

VIN > 4.75V

VOUT = 3.3V

OUT

10uF Tant.

GND

Adjustable Voltage Regulator

SC1202

OUT

TAB

VIN > 4.75V

VOUT = 3.45V

10uF Tant.

ADJ

133 Ohm, 1%

232 Ohm, 1%

V_OUT= V_REF• 1+

+ I_ADJ• R2

Notes:

(1) C1 needed if device is far from filter capacitors

(2) C2 minimum value required for stability

Revision 8/30/2000

www.semtech.com

12 3 4 5

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