MCP1253 データシートの表示（PDF） - Microchip Technology

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MCP1253

Low Noise, Positive-Regulated Charge Pump

Microchip Technology 

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 4 kV

Machine Body Model (200 pF, No Series Resistance400V

†Notice: Stresses above those listed under “Maximum Rat-

ings” 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. Expo-

sure to maximum rating conditions for extended periods may

affect device reliability.

PIN FUNCTION TABLE

Name

PGOOD

VOUT

VIN

GND

C-

C+

SHDN

SELECT

FB

Function

Open-Drain Power GOOD Output

Regulated Output Voltage

Power Supply Input

Ground Terminal

Flying Capacitor Negative Terminal

Flying Capacitor Positive Terminal

Shutdown Mode, Active-Low Input

Output Voltage Select Pin.

(MCP1252-33X50, MCP1253-33X50)

Feedback Input Pin for Adjustable Output

(MCP1252-ADJ, MCP1253-ADJ)

ELECTRICAL CHARACTERISTICS

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

%

Output Current

IOUT

80

100

120

150

—

mA

mA

SELECT Logic Input Voltage High

VIH

1.4

—

—

V

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

%

Output Current

IOUT

40

120

SELECT Logic Input Voltage Low

VIL

—

Adjustable Output - MCP1252-ADJ, MCP1253-ADJ

Supply Voltage

Output Voltage Adjustment Range

FB Regulation Voltage

ALL DEVICES

VIN

VOUT

VFB

2.0

1.5

1.18

Supply Current

Output Short-Circuit Current

Shutdown Current

Power Efficiency

IDD

—

ISC

—

ISHDN

—



—

80

150

—

—

—

1.21

60

200

0.1

81

68

—

mA

mA

0.4

V

5.5

V

5.5

V

1.24

V

120

µA

—

mA

2.0

µA

—

%

%

SHDN Logic Input Voltage Low

SHDN Logic Input Voltage High

PGOOD Threshold Voltage

PGOOD Hysteresis

VIL

—

—

0.4

V

VIH

1.4

—

—

V

VTH

—

0.93VOUT

—

V

VHYS

—

0.04VOUT

—

V

2.3V  VIN < 2.5V, IOUT 80 mA

2.5V VIN 5.5V, IOUT120 mA

2.3V  VIN < 2.5V

2.5V  VIN  5.5V

MCP1252-33X50, MCP1253-33X50

2.7V VIN < 3.0V, IOUT 40 mA

3.0V VIN5.5V, IOUT120 mA

2.7V  VIN < 3.0V

3.0V  VIN  5.5V

MCP1252-33X50, MCP1253-33X50

VOUT(MAX) < 2 x VIN

MCP1252-ADJ, MCP1253-ADJ

No load

VOUT = GND, foldback current

SHDN = 0V

VIN = 3.0V, VOUT = 5V

VIN = 3.6V, VOUT = 5V

IOUT =120 mA

 2002-2013 Microchip Technology Inc.

DS21752B-page 3

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