MCP1824-5002EDC datasheet(8/34 Pages) MICROCHIP

Part #	MCP1824-5002EDC

Description	300 mA, Low Voltage, Low Quiescent Current LDO Regulator

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Manufacturer	MICROCHIP [Microchip Technology]

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8 / 34 page

MCP1824/MCP1824S

DS22070A-page 8

Maximum Pulsed Output Duty

Cycle

IPULSE_DUTY

——

60

%

VIN = 2.1V to 6.0V,

VR = 0.8V to 5.0V,

IOUT = 500 mA,

Period < 10 ms

Maximum Pulsed Output Period

IPULSE_PERIOD

——

10

ms

VIN = 2.1V to 6.0V

VR = 0.8V to 5.0V,

IOUT = 500 mA

Adjust Pin Characteristics (Adjustable Output Only)

Adjustable Output Voltage

Range

VOUT_ADJ

0.8

—

5.5

V

Adjust Pin Reference Voltage

VADJ

0.402

0.410

0.418

VVIN = 2.1V to VIN =6.0V,

IOUT = 1 mA

Adjust Pin Leakage Current

IADJ

-10

±0.01

+10

nA

VIN = 6.0V, VADJ =0V to6V

Adjust Temperature Coefficient

TCVOUT

—

40

—

ppm/°C

Note 3

Fixed-Output Characteristics (Fixed Output Only)

Voltage Regulation

VOUT

VR - 2.5% VR ±0.5% VR + 2.5%

V

Note 2

Power Good Characteristics

PWRGD Input Voltage Operat-

ing Range

VPWRGD_VIN

1.0

—

6.0

V

TA = +25°C

1.2

—

6.0

TA = -40°C to +125°C

For VIN < 2.1V, ISINK = 100 µA

PWRGD Threshold Voltage

(Referenced to VOUT)

VPWRGD_TH

%VOUT Falling Edge

89

92

95

VOUT < 2.5V Fixed,

VOUT = Adj.

90

92

94

VOUT >= 2.5V Fixed

PWRGD Threshold Hysteresis

VPWRGD_HYS

1.0

2.0

3.0

%VOUT

PWRGD Output Voltage Low

VPWRGD_L

—0.05

0.4

VIPWRGD SINK = 1.2 mA,

ADJ = 0V

PWRGD Output Current Sink

Capability

IPWRGD

1.2

6.0

—

mA

VPWRGD = 0.200V

PWRGD Leakage

PWRGD_LK

—1

—

nA

VPWRGD = VIN = 6.0V

PWRGD Time Delay

TPG

—

110

—

µs

Rising Edge

RPULLUP = 10 kΩ

AC/DC CHARACTERISTICS (CONTINUED)

Electrical Specifications: Unless otherwise noted, VIN = VOUT(MAX) + VDROPOUT(MAX), Note 1, VR = 1.8V for Adjustable Output,

IOUT = 1 mA, CIN = COUT = 4.7 µF (X7R Ceramic), TA = +25°C.

Boldface type applies for junction temperatures, TJ (Note 7) of -40°C to +125°C

Parameters

Sym

Min

Typ

Max

Units

Conditions

Note

1:

The minimum VIN must meet two conditions: VIN ≥ 2.1V and VIN ≥ VOUT(MAX) + VDROPOUT(MAX).

2:

VR is the nominal regulator output voltage for the fixed cases. VR = 1.2V, 1.8V, etc. VR is the desired set point output

voltage for the adjustable cases. VR = VADJ * ((R1/R2)+1). Figure 4-1.

3:

TCVOUT = (VOUT-HIGH – VOUT-LOW) *10

6 / (V

R * ΔTemperature). VOUT-HIGH is the highest voltage measured over the

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

4:

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

tested over a load range from 1 mA to the maximum specified output current.

5:

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

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

6:

The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction

temperature and the thermal resistance from junction to air. (i.e., TA, TJ, θJA). Exceeding the maximum allowable power

dissipation will cause the device operating junction temperature to exceed the maximum +150°C rating. Sustained

junction temperatures above 150°C can impact device reliability.

7:

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 small enough such that the rise in the junction temperature over the

ambient temperature is not significant.

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MCP1824-5002EDC Datasheet(PDF) 8 Page - Microchip Technology

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