MCP1801 datasheet(4/26 Pages) MICROCHIP

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MCP1801

DS22051C-page 4

TEMPERATURE SPECIFICATIONS

Shutdown Input

Logic High Input

VSHDN-HIGH

1.6

—

Logic Low Input

VSHDN-LOW

—

0.25

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Specifications: Unless otherwise specified, all limits are established for V

IN = VR + 1.0V, Note 1, COUT = 1 µF (X7R),

CIN = 1 µF (X7R), VSHDN = VIN, TA = +25°C.

Parameters

Sym

Min

Typ

Max

Units

Conditions

Note 1:

The minimum VIN must meet two conditions: VIN ≥ 2.0V and VIN ≥ (VR + 1.0V).

VR is the nominal regulator output voltage. For example: VR = 1.8V, 2.5V, 3.0V, 3.3V, or 5.0V.

The input voltage VIN = VR + 1.0V or ViIN = 2.0V (whichever is greater); IOUT = 100 µA.

TCVOUT = (VOUT-HIGH - VOUT-LOW) *10

6 / (V

R * ΔTemperature), VOUT-HIGH = highest voltage measured over the

temperature range. VOUT-LOW = lowest voltage measured over the temperature range.

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

voltage due to heating effects are determined using thermal regulation specification TCVOUT.

Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its measured

value with an applied input voltage of VR + 1.0V or 2.0V, whichever is greater.

Parameters

Sym

Min

Typ

Max

Units

Conditions

Temperature Ranges

Operating Temperature Range

-40

—

+85

°C

Storage Temperature Range

Tstg

-55

—

+125

°C

Thermal Package Resistance

Thermal Resistance, 5LD SOT-23

—

256

—

°C/W

EIA/JEDEC JESD51-7

FR-4 0.063 4-Layer Board

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