SC426HEVB 데이터 시트보기 (PDF) - Semtech Corporation

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SC426HEVB

Very Low Input/Very Low Dropout 3 Amp Regulator With Enable

Semtech Corporation 

SC4216H

Electrical Characteristics (continued)

Parameter

Symbol

Conditions

IO =1.5A

IO = 2A

Dropout Voltage(1)(2)

VDO

IO = 2.5A

IO =3A

Minimum Load Current(3)(4)

IO

Current Limit(4)

ICL

Feedback

Reference Voltage(1)

VREF

Feedback Pin Current(4)

IADJ

EN

Enable Pin Current

IEN

Enable Pin Threshold

VIH

VIL

Over Temperature Protection

High Trip Level

THI

Hysteresis

THYST

IO = 3A, 1.6V ≤ VIN ≤ 5.5V

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

VFB = VREF

VEN = 0V, VIN =3.3V

VIN=3.3V

Min Typ Max Units

250 350

400

300 400

500

350 450

mV

600

450 550

700

400 500

650

10

µA

3.5 4.5

5.0

A

0.495 0.5 0.505

V

0.490

0.510

80

200

nA

1.5

10

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.

(4) Guaranteed by design.



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