TC-1189 datasheet(2/16 Pages) MICROCHIP

2 / 16 page

TC1188/TC1189

DS21364B-page 2

 2002 Microchip Technology Inc.

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

Input Voltage .........................................................6.5V

Output Short-Circuit Duration .............................Infinite

Output Voltage .......................... (-0.3V) to (VIN + 0.3V)

Maximum Voltage On Any Pin.... (-0.3V) to (VIN +0.3V)

Continuous Power Dissipation (T

A = +70°C)

SOT-23-5 (derate 7.1 mW/°C above +70°C)

..................................................................571 mW

Operating Temperature Range............... -40°C to 85°C

Storage Temperature .........................-65°C to +160°C

Lead Temperature (Soldering, 10 Sec.) ........... +300°C

*Notice: *Stresses above those listed under "Absolute

Maximum Ratings" may cause permanent damage to

the device. These are stress ratings only and functional

operation of the device at these or any other conditions

above those indicated in the operation sections of the

specifications is not implied. Exposure to Absolute

Maximum Rating conditions for extended periods may

affect device reliability.

DC SPECIFICATIONS

Electrical Characteristics: V

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

Input Voltage

VIN

OUT+0.5V

2.7

—

6.0

OUT ≥ 2.5V

OUT = 1.8V (Note 2)

Output Voltage

OUT

3.05

3.15

3.25

0 mA

≤ I

OUT ≤ 50 mA

2.75

2.84

2.93

0 mA

≤ I

OUT ≤ 50 mA

2.70

2.80

2.88

0 mA

≤ I

OUT ≤ 50 mA

1.745

1.80

1.85

0 mA

≤ I

OUT ≤ 50 mA

Maximum Output Current

OUT

120

—

Current Limit

LIM

—280

—

Note 3

Input Current

—50

µA

OUT = 0

Dropout Voltage

—

1.1

—

OUT = 1 mA

—55

120

OUT = 50 mA

—

110

240

OUT = 100 mA (Note 4)

Line Regulation

∆V

LNR

-0.10

0.001

0.10

%/V

IN = VOUT + 0.5V to 6.0V

——

—

%/V

OUT = 1 mA

Load Regulation

∆V

LDR

—

0.01

0.040

%/mA I

OUT = 0 mA to 50 mA

Output Voltage Noise

—

350

—

µV

RMS

10 Hz to 1 MHz, C

OUT = 1 µF

—220

—

µV

RMS

10 Hz to 1 MHz C

OUT = 100 µF

Wake Up Time

(from Shutdown Mode)

—10

—

µsec

IN = 3.6V

IN = 1 µF, COUT = 1 µF

L = 30 mA, (See Figure 3-1)

Setting Time

(from Shutdown Mode)

—140

—

µsec

IN = 3.6V

IN = 1 µF, COUT = 1 µF

L = 30 mA, (See Figure 3-1)

Note 1: 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.

2: Validated by line regulation test.

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

4: 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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