MCP8024 datasheet(6/46 Pages) MICROCHIP

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MCP8024

DS20005228A-page 6

 2013 Microchip Technology Inc.

Charge Pump Stop

CPSTOP

—

12.0

12.5

VDD rising

Charge Pump Frequency

(50% charging /

50% discharging)

CPFSW

—

76.80

—

kHz

VDD = 9.0V

VDD = 12.5V (stopped)

Charge Pump Switch

Resistance

CPRDSON

—14—

Ω

RDSON sum of high side and

low side

Output Voltage

VOUT12

—

VDD = VOUT12 + 1V, IOUT = 1 mA

Output Voltage Tolerance

|TOLVOUT12|—

—

4.0

VDD = VOUT12 + 1V, IOUT = 1 mA

Output Current

IOUT

—

Average current

Output Current Limit

ILIMIT

—

Average current

Output Voltage Temperature

Coefficient

TCVOUT12

—50—

ppm/°C

Line Regulation

VOUT/

(VOUTXVDD)|

—

0.1

0.5

%/V

13V < VDD < 19V, IOUT = 20 mA

Load Regulation

VOUT/VOUT|—

0.2

0.5

IOUT = 0.1 mA to 15 mA

Dropout Voltage

VDD-VOUT12

—

380

—

IOUT = 20 mA,

measurement taken when

output voltage drops 2% from

no-load value.

Power Supply Rejection Ratio

PSRR

—

f = 1 kHz, IOUT = 10 mA

+5V Linear Regulator

Output Voltage

VOUT5

—5—

VDD = VOUT5 + 1V, IOUT = 1 mA

Output Voltage Tolerance

|TOLVOUT5|—

—

4.0

Output Current

IOUT

—

Average current

Output Current Limit

ILIMIT

—

Average current

Output Voltage Temperature

Coefficient

|TCVOUT5|—

—

ppm/°C

Line Regulation

VOUT/

(VOUTXVDD)|

—

0.1

0.5

%/V

6V < VDD < 19V, IOUT = 20 mA

Load Regulation

VOUT/VOUT|—

0.2

0.5

IOUT = 0.1 mA to 15 mA

Dropout Voltage

VDD-VOUT5

—

180

350

IOUT = 20 mA,

measurement taken when

output voltage drops 2% from

no-load value.

Power Supply Rejection Ratio

PSRR

—

f = 1 kHz, IOUT = 10 mA

Buck Regulator

Feedback Voltage

VFB

1.19

1.25

1.31

Feedback Voltage Tolerance

TOLVFB

——

5.0

IFB = 1 µA

AC/DC CHARACTERISTICS (CONTINUED)

ectrical Specifications: Unless otherwise noted TJ = -40°C to +150°C.

Parameters

Symbol

Min.

Typ.

Max.

Units

Conditions

Note 1:

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, JA). Exceeding the

maximum allowable power dissipation may cause the device operating junction temperature to exceed the

maximum 160°C rating. Sustained junction temperatures above 150°C can impact the device reliability

and OTP data retention.

1000 hour cumulative maximum for OTP data retention (typical).

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