SC4213H 查看數據表（PDF） - Semtech Corporation

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SC4213H

Very Low Input /Very Low Dropout 0.5 Amp Regulator With Enable

Semtech Corporation 

SC4213H

Electrical Characteristics (continued)

Parameter

Dropout Voltage(1)(2)

Feedback

Symbol

VDropout

Conditions

IO=0.5A

1.4V ≤VIN<1.6V

1.6V ≤VIN ≤6.0V

Reference Voltage(1)

VREF

Feedback Pin Current

IADJ

EN

Enable Pin Current

IEN

VIH

Enable Pin Threshold

VIL

Over Temperature Protection

High Trip Level

THI

Hysteresis

THYST

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

VFB = VREF

VEN = 0V, VIN =3.3V

VIN=3.3V

Min Typ Max Units

75

150

mV

125

0.495

0.505

0.5

V

0.490

0.510

80

200

nA

1.5

5

µA

1.6

V

0.4

160

OC

10

OC

Notes:

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

(2) VDO = VIN -VO when VO decreases by 1.5% of its nominal output voltage with VIN = VO +0.8V.

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

© 2010 Semtech Corporation



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