MCP1810 datasheet(4/32 Pages) MICROCHIP

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MCP1810

DS20005623A-page 4

 2016 Microchip Technology Inc.

Load Regulation

VOUT/VOUT

-3

VIN =(VIN(MIN) +VIN(MAX))/2

IOUT = 0.02 mA to 150 mA

(Note 1)

Dropout Voltage

VDROPOUT

——

380

IOUT =150 mA

VR ≤ 3.5V (Note 4)

——

280

IOUT =100 mA

VR > 3.5V (Note 4)

Shutdown Input

Logic High Input

VSHDN-HIGH

——

%VIN

VIN =VR + 800 mV or 2.7V

(whichever is greater)

IOUT =1 mA (Note 3)

Logic Low Input

VSHDN-LOW

——

%VIN

VIN =VR + 800 mV or 2.7V

(whichever is greater)

IOUT =1 mA (Note 3)

AC Performance

Output Delay from SHDN

TOR

—20

—

SHDN = GND to VIN

VOUT = GND to 95% VR

Output Noise

—0.48

—

µV/

Hz

VIN = 3.3V

CIN = COUT = 2.2 µF ceramic

(X7R)

VR = 2.5V, IOUT = 50 mA

f = 1 kHz

—48

—

µVrms

VIN = 3.3V

CIN = COUT = 2.2 µF ceramic

(X7R)

VR = 2.5V, IOUT = 50 mA

f = 100 Hz to 1 MHz

Power Supply Ripple

Rejection Ratio

PSRR

—

f = 100 Hz, IOUT =10 mA

VINAC =200 mV pk-pk

CIN =0 µF

AC/DC CHARACTERISTICS (CONTINUED)

Electrical Specifications:

Unless otherwise noted, VIN =VR +800 mV (Note 1), IOUT =1 mA, CIN =COUT =2.2 µF

ceramic (X7R), TA = +25°C. Boldface type applies for junction temperatures TJ of -40°C to +85°C (Note 2).

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Note 1:

The minimum VIN must meet two conditions: VIN  VIN(MIN) and VIN  VR  VDROPOUT(MAX).

The junction temperature is approximated by soaking the device under test at an ambient temperature

equal to the desired junction temperature. The test time is short enough such that the rise in junction

temperature over the ambient temperature is not significant.

VR is the nominal regulator output voltage. VR = 1.2V, 1.8V, 2.5V, 3.0V, 3.3V or 4.2V.

Dropout voltage is defined as the input-to-output voltage differential at which the output voltage drops 3%

below its nominal value that was measured with an input voltage of VIN =VOUT(MAX) +VDROPOUT(MAX).

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