MCP1252_14 datasheet(3/20 Pages) MICROCHIP

部品番号	MCP1252

部品情報	Low-Noise, Positive-Regulated Charge Pump

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 2002-2014 Microchip Technology Inc.

DS20001752C-page 3

MCP1252/3

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings †

Power Supply Voltage, VIN...............................................6.0V

Voltage on Any Pin w.r.t. GND ............... -0.3V to (VIN + 0.3V)

Output Short Circuit Duration ................................continuous

Storage Temperature Range .........................-65°C to +150°C

Ambient Temperature with Power Applied ....-55°C to +125°C

Junction Temperature ................................................. +150°C

ESD Ratings:

Human Body Model (1.5 k

 in Series with 100 pF)4kV

Machine Body Model (200 pF, No Series Resistance)

400V

†Notice: Stresses above those listed under “Maximum

Ratings” may cause permanent damage to the device. This is

a stress rating only and functional operation of the device at

those or any other conditions above those indicated in the

operational listings of this specification is not implied.

Exposure to maximum rating conditions for extended periods

may affect device reliability.

ELECTRICAL CHARACTERISTICS

Electrical Specifications: Unless otherwise specified, all limits are specified for TA = -40°C to +85°C ("I" Temperature), TA = -40°C

to +125°C ("E" Temperature), SHDN = VIN, CIN = COUT = 10 µF, CFLY = 1 µF, IOUT = 10 mA. Typical values are for TA = +25°C.

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Selectable Output - MCP1252-33X50, MCP1253-33X50: SELECT = VIN, VOUT = 3.3V

Supply Voltage

VIN

2.1

—

5.5

V

Output Voltage Accuracy

VOUT

-2.5

±0.5

+2.5

%

2.3V

 V

IN < 2.5V, IOUT 80 mA

2.5V

V

IN 5.5V, IOUT120 mA

Output Current

IOUT

80

100

—

mA

2.3V

 V

IN < 2.5V

120

150

—

mA

2.5V

 V

IN  5.5V

SELECT Logic Input Voltage High

VIH

1.4

—

V

MCP1252-33X50, MCP1253-33X50

Selectable Output - MCP1252-33X50, MCP1253-33X50: SELECT = GND, VOUT = 5.0V

Supply Voltage

VIN

2.7

—

5.5

V

Output Voltage Accuracy

VOUT

-2.5

±0.5

+2.5

%

2.7V

V

IN < 3.0V, IOUT 40 mA

3.0V

V

IN5.5V, IOUT120 mA

Output Current

IOUT

40

80

—

mA

2.7V

 V

IN < 3.0V

120

150

—

3.0V

 V

IN  5.5V

SELECT Logic Input Voltage Low

VIL

—

0.4

V

MCP1252-33X50, MCP1253-33X50

Adjustable Output - MCP1252-ADJ, MCP1253-ADJ

Supply Voltage

VIN

2.0

—

5.5

V

Output Voltage Adjustment Range

VOUT

1.5

—

5.5

V

VOUT(MAX) < 2 x VIN

FB Regulation Voltage

VFB

1.18

1.21

1.24

V

MCP1252-ADJ, MCP1253-ADJ

ALL DEVICES

Supply Current

IDD

—

60

120

µA

No load

Output Short-Circuit Current

ISC

—

200

—

mA

VOUT = GND, foldback current

Shutdown Current

ISHDN

—

0.1

2.0

µA

SHDN = 0V

Power Efficiency



—81

—

%

VIN = 3.0V, VOUT = 5V

IOUT =120 mA

—68

—

VIN = 3.6V, VOUT = 5V

IOUT =120 mA

SHDN Logic Input Voltage Low

VIL

——

0.4

V

SHDN Logic Input Voltage High

VIH

1.4

—

V

PGOOD Output Voltage

PGOOD_VOL

—0.01

—

V

IPGOOD = 0.5 mA

PGOOD Threshold Voltage

VTH

—

0.93VOUT

—V

PGOOD Hysteresis

VHYS

—

0.04VOUT

—V

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