SC4211(2004) 데이터 시트보기 (PDF) - Semtech Corporation

부품명

상세내역

일치하는 목록

SC4211
(Rev.:2004)

Very Low Input /Very Low Dropout 1 Amp Regulator With Enable

Semtech Corporation 

SC4211

POWER MANAGEMENT

Electrical Characteristics (Cont.)

Unless specified: VEN = VIN, VFB = VO, VIN = 1.40V to 5.5V, VIN = (VO + 0.5V) to 5.5V and IO = 1mA to 1A.

Values in bold apply over the full operating temperature range.

Parameter

Symbol

Test Conditions

Min Typ Max Units

VO (Cont.)

Dropout Voltage(1)(2)

IO = 1A

200 400 mV

500

Minimum Load Current(3)

IO

Current Limit(4)

ICL

Feedback

VIN = VO + 0.5V

1.1

1.5

1

mA

A

Reference Voltage(1)

Feedback Pin Current(4)

EN

VREF

IADJ

VIN = 3.3V, VFB = VOUT, IO = 10mA

Full IOUT , and VIN Range

VFB = VREF

0.495 0.5 0.505 V

0.485

0.515

80

200 nA

Enable Pin Current

IEN

Enable Pin Threshold

VIH

VIL

Over Temperature Protection

VEN = 0V, VIN = 3.3V

VIN = 3.3V

VIN = 3.3V

1.5

10

µA

1.6

V

0.4

High Trip level

Hysteresis

THI

THYST

160

°C

10

°C

Notes:

(1) Low duty cycle pulse testing with Kelvin connections required.

(2) Defined as the input to output differential at which the output voltage drops to 1.5% below the value measured at a

differential of 0.5V.

(3) Required to maintain regulation. Voltage set resistors R1 and R2 are usually utilized to meet this requirement.

(4) Guaranteed by design.

 2004 Semtech Corp.

3

www.semtech.com

Share Link: