TC2054/2055/2186

DS21663B-page 2

© 2002 Microchip Technology Inc.

1.0

ELECTRICAL

CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS*

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

Storage Temperature.......................... -65°C to +150°C

*Stresses above those listed under “Absolute Maxi-

mum 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 my

affect device reliability.

TC2054/2055/2186 ELECTRICAL SPECIFICATIONS

type specifications apply for junction temperature of -40°C to +125°C.

Symbol

Parameter

Min

Typ

Max

Units

Test Conditions

Input Operating Voltage

2.7

—

6.0

V

Note 1

Maximum Output Current

50

100

150

—

—

—

—

—

—

mA

TC2054

TC2055

TC2186

Output Voltage

V

Note 2

Coefficient

—

—

20

40

—

—

ppm/°C Note 3

Line Regulation

—

0.05

0.5

Load Regulation

-1.5

-2.5

0.5

0.5

0.5

0.5

%

TC2186

Note 4

Dropout Voltage, Note 5

—

—

—

—

2

45

90

140

—

70

140

210

mV

TC2015; TC2185

TC2185

Note 5

Supply Current

—

55

80

Shutdown Supply Current

—

0.05

0.5

µASHDN =0V

PSRR

Power Supply Rejection Ratio

—

50

—

dB

SC

Output Short Circuit Current

160

300

—

mA

—

0.04

—

V/W

Note 6

eN

Output Noise

—

600

—

nV /

√Hz

MAX

,F = 10kHz

Response Time

(from Shutdown Mode)

—60

—

µsec

Note

1:

2:

3:

4:

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

load range from 1.0mA to the maximum specified output current. Changes in output voltage due to heating effects are covered

by the thermal regulation specification.

5:

Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value at a 1V

differential.

6:

Thermal Regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied, exclud-

7:

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

8:

9:

V

OU TMAX

V

OUTM IN

–

() 10

6

×

V

OUT

∆T

×

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