MCP1256 datasheet(5/24 Pages) MICROCHIP

Part #	MCP1256

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

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Manufacturer	MICROCHIP [Microchip Technology]

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5 / 24 page

DS21989A-page 5

MCP1256/7/8/9

TEMPERATURE SPECIFICATIONS

AC CHARACTERISTICS

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

Units

Conditions

ALL DEVICES

Internal Oscillator Frequency

FOSC

—

650

—

kHz

Output Voltage Ripple,

VRIP

—5

—

mVp-p

COUT = 10 μF, IOUT = 10 mA

Normal Operation

—

20

—

mVp-p

COUT = 10 μF, IOUT = 100 mA

—12

—

mVp-p

COUT = 2.2 μF, IOUT = 10 mA

—55

—

mVp-p

COUT = 2.2 μF, IOUT = 100 mA

VOUT Wake-up Time From

Shutdown

TWKUP

—

175

—

μsVIN = 3.0V, IOUT = 10 mA,

SHDN = VIH(MIN),

VOUT from 0 to 90% Nominal Regulated

Output Voltage

MCP1256 and MCP1257

Output Voltage Ripple,

VRIP

—40

—

mVp-p

COUT = 10 μF, IOUT = 0.1 mA

SLEEP Mode

—

60

—

mVp-p

COUT = 10 μF, IOUT = 4 mA

—40

—

mVp-p

COUT = 2.2 μF, IOUT = 0.1 mA

—60

—

mVp-p

COUT = 2.2 μF, IOUT = 4 mA

MCP1258 and MCP1259

VOUT Wake-up Time From

BYPASS

TWKUP

—

150

—

μsVIN = 3.0V, IOUT = 10 mA,

SHDN = VIH(MIN),

VOUT from 0 to 90% Nominal Regulated

Output Voltage

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

Units

Conditions

Temperature Ranges

Specified Temperature Range

TJ

-40

—

+125

°C

Operating Temperature Range

TJ

-40

—

+125

°C

Storage Temperature Range

TA

-65

—

+150

°C

Thermal Package Resistances

Thermal Resistance, 10-Lead, MSOP

θJA

—

200

—

°C/W

4-Layer JC51-7 Standard Board,

Natural Convection

Thermal Resistance, 10-Lead, DFN

3mm x 3mm

θJA

—

57

—

°C/W

4-Layer JC51-7 Standard Board,

Natural Convection

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