MIC2128YML datasheet(5/32 Pages) MICROCHIP

부품명	MIC2128YML

상세설명	75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with External Soft Start

PDF	32 Pages

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제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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5 / 32 page

 2016 Microchip Technology Inc.

DS20005620A-page 5

MIC2128

FET Drivers

DH On-Resistance, High

State

RDH(PULL-UP)

—2



DH On-Resistance, Low

State

RDH(PULL_DOWN)

—2



DL On-Resistance, High

State

RDL(PULL-UP)

—2



DL On-Resistance, Low State RDL(PULL_DOWN)

—0.36

0.6



SW, VIN and BST Leakage

BST Leakage

—

µA

VIN Leakage

—

µA

SW Leakage

—

µA

Power Good (PG)

PG Threshold Voltage

VPG_Rise

—

%VOUT VFB rising

PG Hysteresis

VPG_Hys

—6

—

%VOUT VFB falling

PG Delay Time

PG_R_DLY

—

100

—

µs

VFB rising

PG Low Voltage

VOL_PG

—70

200

VFB < 90% × VNOM, IPG =1 mA

Thermal Protection

Overtemperature Shutdown

TSHDN

—

150

—

°C

Junction temperature rising

Overtemperature Shutdown

Hysteresis

TSHDN_Hys

—15

—

°C

ELECTRICAL CHARACTERISTICS (Note 1)

Electrical Specifications:

unless otherwise specified, VIN = 12V, VOUT = 1.2V; VBST -VSW =5V, TA =+25°C.

Boldface

values indicate -40°C

 TJ  +125°C (Note 2).

Parameter

Symbol

Min.

Typ.

Max.

Units

Test Conditions

Note 1:

Specification for packaged product only.

The application is fully functional at low VDD (supply of the control section) if the external MOSFETs have

low voltage VTH.

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