MCP1701 datasheet(3/20 Pages) MICROCHIP

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 2004 Microchip Technology Inc.

DS21874A-page 3

MCP1701

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings†

Input Voltage ........................................................+12V

Output Current (Continuous)..........PD/(VIN – VOUT)mA

Output Current (peak) ..................................... 500 mA

Output Voltage ............... (GND – 0.3V) to (VIN + 0.3V)

Continuous Power Dissipation:

3-Pin SOT-23A ............................................ 150 mW

3-Pin SOT-89 .............................................. 500 mW

3-Pin TO-92 ................................................. 300 mW

† Stresses above those listed under “Absolute Maximum

Ratings” may cause permanent damage to the device. These

are stress ratings only and functional operation of the device

at these or any other conditions above those indicated in the

operation sections of the specifications is not implied.

Exposure to Absolute Maximum Rating conditions for

extended periods may affect device reliability.

PIN FUNCTION TABLE

Symbol

Description

GND

Ground Terminal

VOUT

Regulated Voltage Output

VIN

Unregulated Supply Input

ELECTRICAL CHARACTERISTICS

Electrical Specifications: Unless otherwise specified, all limits are established for an ambient temperature of TA = +25°C.

Parameters

Sym

Min

Typ

Max

Units

Conditions

Output Voltage Regulation

VOUT

VR – 2% VR±0.5% VR + 2%

IOUT = 40 mA, (Note 1)

Maximum Output Current

IOUTMAX

250

—

VOUT = 5.0V

(VIN = VR + 1.0V)

200

—

VOUT = 4.0V

150

—

VOUT = 3.3V

150

—

VOUT = 3.0V

125

—

VOUT = 2.5V

110

—

VOUT = 1.8V

Load Regulation (Note 3)

∆VOUT/ VOUT

-1.60

±0.8

+1.60

VOUT = 5.0V, 1 mA ≤ IOUT ≤ 100 mA

-2.25

±1.1

+2.25

VOUT = 4.0V, 1 mA ≤ IOUT ≤ 100 mA

-2.72

±1.3

+2.72

VOUT = 3.3V, 1 mA ≤ IOUT ≤ 80 mA

-3.00

±1.5

+3.00

VOUT = 3.0V, 1 mA ≤ IOUT ≤ 80 mA

-3.60

±1.8

+3.60

VOUT = 2.5V, 1 mA ≤ IOUT ≤ 60 mA

-1.60

±0.8

+1.60

VOUT = 1.8V, 1 mA ≤ IOUT ≤ 30 mA

Dropout Voltage

VIN - VOUT

—400

630

IOUT = 200 mA, VR = 5.0V

—400

630

IOUT = 200 mA, VR = 4.0V

—400

700

IOUT = 160 mA, VR = 3.3V

—400

700

IOUT = 160 mA, VR = 3.0V

—400

700

IOUT = 120 mA, VR = 2.5V

—180

300

IOUT = 20 mA, VR = 1.8V

Input Quiescent Current

—2.0

3.0

µA

VIN = VR + 1.0V

Line Regulation

∆VOUT•100

∆VIN•VOUT

—

0.2

0.3

%/V

IOUT = 40 mA, (VR +1) ≤ VIN ≤ 10.0V

Input Voltage

VIN

——

Temperature Coefficient of

Output Voltage

TCVOUT

—±100

—

ppm/

°C

IOUT = 40 mA, -40°C ≤ TA ≤ +85°C,

(Note 2)

Output Rise Time

—

200

—

µsec

10% VR to 90% VR, VIN = 0V to VR +1V,

RL = 25Ω resistive.

VR is the nominal regulator output voltage. For example: VR = 1.8V, 2.5V, 3.3V, 4.0V, 5.0V.

The input voltage VIN = VR + 1.0V, IOUT = 40 mA.

TCVOUT = (VOUT-HIGH – VOUT-LOW) *10

6/(VR * ∆Temperature), VOUT-HIGH is equal to the highest voltage measured

over the temperature range, while VOUT-LOW is equal to the lowest voltage measured over the temperature range.

Load regulation is measured at a constant junction temperature using low duty cycle pulse testing.

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