MIC2103 datasheet(5/42 Pages) MICROCHIP

Part #	MIC2103

Description	75V Synchronous Buck Controllers Featuring Adaptive ON-Time Control

PDF	42 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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5 / 42 page

 2017 Microchip Technology Inc.

DS20005899A-page 5

MIC2103/4

DL On-Resistance, Low State RON(DLL)

—1.2

2.3

Ω

—

SW, BST Leakage Current

ILEAK

—

µA

—

Power Good

Power Good Threshold

Voltage

VPGTH

%VOUT Sweep VFB from Low to High

Power Good Hysteresis

VPGHYS

—6—

%VOUT Sweep VFB from High to Low

Power Good Delay Time

td(PG)

—

100

—

µs

Sweep VFB from Low to High

Power Good Low Voltage

VPG(LO)

—70

200

VFB < 90% x VNOM, IPG = 1 mA

Thermal Protection

Overtemperature Shutdown

Threshold

TSD

—160

—

°C

TJ rising

Overtemperature Shutdown

Hysteresis

TSD(HYS)

—4—

°C

—

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.

TABLE 1-1:

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Characteristics:

VIN = 48V, VOUT = 5V, VBST – VSW = 5V; TA = +25°C, unless noted. Bold values indicate

–40°C ≤ TJ ≤ +125°C. Note 1

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

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