MCP1257 データシートの表示（PDF） - Microchip Technology

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MCP1257

Regulated 3.3V, Low-Ripple Charge Pump with Low-Operating Current SLEEP Mode or BYPASS Mode

Microchip Technology 

MCP1256/7/8/9

DC CHARACTERISTICS (CONTINUED)

Electrical Specifications: Unless otherwise indicated, all limits apply for VIN = 1.8V to 3.6V, SHDN = VIN, CIN = COUT = 10 μF,

C1 = C2 = 1 μF, IOUT = 10 mA, TJ = -40°C to +125°C. Typical values are at TJ = +25°C.

Parameters

Sym

Min

Typ

Max

Unit

s

Conditions

MCP1256 and MCP1257 Devices

SLEEP Mode Input - SLEEP

SLEEP Input Voltage Low

VIL(SLEEP)

—

SLEEP Input Voltage High VIH(SLEEP)

1.4

SLEEP Input Leakage

ILK(SLEEP)

—

Current

SLEEP Quiescent Current

IQ

—

MCP1256 and MCP1258 Devices

Power-Good Output - PGOOD

PGOOD Threshold

PGOOD Hysteresis

PGOOD Output Low

Voltage

VTH

—

VHYS

—

VOL

—

PGOOD Input Leakage

ILK(PGOOD)

—

Current

MCP1257 and MCP1259

Low-Battery Output - LBO

LBO Threshold

VTH

—

LBO Hysteresis

VHYS

—

LBO Output Low Voltage

VOL

—

LBO Input Leakage Current ILK(LBO)

—

MCP1258 and MCP1259

BYPASS Mode Input - BYPASS

BYPASS Input Voltage Low VIL(BYPASS)

—

BYPASS Input Voltage

VIH(BYPASS)

1.4

High

BYPASS Input Leakage

ILK(BYPASS)

—

Current

BYPASS Quiescent

Current

IQ

—

BYPASS Input-to-Output

RBYPASS

—

Impedance

—

—

0.001

10

93

110

25

0.02

1.95

240

25

0.02

—

—

0.001

0.25

1.5

0.4

V

—

V

0.1

μA

20

μA VSLEEP = 0V, IOUT = 0 mA

—

% Percent of VOUT Falling

—

mV VOUT Rising

100

mV ISINK = 0.5 mA, VIN = 1.8V

1

μA VPGOOD = VIN

—

V VIN Falling

—

mV VIN Rising

100

mV ISINK = 0.5 mA, VIN = 1.8V

1

μA VLBO = VIN

0.4

V

—

V

0.1

μA

2

μA VBYPASS = 0V, IOUT = 0 mA,

TJ = +25°C

—

Ω VIN = 2.4V

DS21989A-page 4

© 2006 Microchip Technology Inc.

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