TC1188-TECT datasheet(3/18 Pages) MICROCHIP

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 2002-2012 Microchip Technology Inc.

DS21364C-page 3

TC1188/TC1189

Shutdown:

SHDN Input Threshold

2.0

—

——

0.4

SHDN Input Bias Current

Ishdn

—

0.1

100

SHDN = VIN, TA = +25°C, TA = TMAX

—50

—

SHDN = VIN, TA = +25°C, TA = TMAX

Shutdown Supply Current

Iqshdn

—

0.002

AV

OUT = 0V, TA = +25°C, TA = TMAX

—0.02

—

AV

OUT = 0V, TA = +25°C, TA = TMAX

Shutdown to Output Discharge

Delay (TC1189)

—1

—

msec

OUT = 1 F, no load at 10% of VOUT

Thermal Protection

Thermal Shutdown Temperature

SHDN

—

170

—

°C

Thermal Shutdown Hysteresis

T

SHDN

—20

—

°C

DC SPECIFICATIONS (CONTINUED)

Electrical Characteristics:

IN = +3.6V, GND = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.

(Note 1)

Parameters

Symbol

Min

Typ

Max

Units

Conditions

Note

Limits are 100% production tested at T

A = +25°C. Limits over the operating temperature range are ensured through cor-

relation using Statistical Quality Control (SQC) methods.

Validated by line regulation test.

Not tested. For design purposes, the current limit should be considered 150 mA minimum to 410 mA maximum.

The dropout voltage is defined as (V

IN – VOUT) when VOUT is 100 mV below the value of VOUT for

IN = VOUT +2V.

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