SC189HEVB-1 datasheet(4/23 Pages) SEMTECH

Part #	SC189HEVB-1

Description	2.5MHz, 1.5A Synchronous Step Down Regulator

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Manufacturer	SEMTECH [Semtech Corporation]

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SC189

Electrical Characteristics (continued)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

EN Input Low Current

I

EN_LO

EN=GND

-2.0

2.0

µA

EN Input High Threshold

V

EN_HI

1.2

V

EN Input Low Threshold

V

EN_LO

0.4

V

VOUT Over Voltage Protection(2)

V

OVP

115

%

Thermal Shutdown Temperature (2)

T

SD

Junction Temperature

+160

°C

Thermal Shutdown Hysteresis (2)

T

SD_HYS

Junction Temperature

10

°C

Notes:

(1) The “Output Voltage Tolerance” includes output voltage accuracy, voltage drift over temperature and the line regulation.

(2) Guaranteed by design.

Unless specified: V

IN = 5.0V, CIN=10µF, COUT=10µF; L=2.2µH; -40°C<TA<+85 °C; TJ(MAX)=125°C; Unless otherwise noted typical values are TA=+25 °C.

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