TL1451AMDREP datasheet(3/25 Pages) TI2

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Recommended Operating Conditions

Reference Section Electrical Characteristics

TL1451A-EP

DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

SLVS614 – DECEMBER 2005

Dissipation Ratings

TA ≤ 25°C

DERATING FACTOR

TA = 70°C

TA = 85°C

TA = 125°C

PACKAGE

POWER RATING

ABOVE TA = 25°C

POWER RATING

1088 mW

8.7 mW/

°C

696 mW

566 mW

218 mW

MIN

MAX

UNIT

VCC

Supply voltage

3.6

Amplifier input voltage

1.05

1.45

Collector output voltage

Collector output current

Current into feedback terminal

µA

Feedback resistor

100

Ω

Timing capacitor

150

15000

Timing resistor

5.1

100

Ω

Oscillator frequency

500

kHz

Operating free-air temperature

M suffix

–55

125

°C

over recommended operating free-air temperature range, V

CC = 6 V, f = 200 kHz (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

TA = 25°C

2.4

2.5

2.6

Output voltage (pin 16)

IO = 1 mA

TA = MIN and 125°C

2.35

2.46

2.65

Output voltage change with temperature

–0.63%

±4%(2)

TA = 25°C

12.5

Input voltage regulation

VCC = 3.6 V to 40 V

TA = 125°C

0.7

TA = MIN

0.3

TA = 25°C

7.5

Output voltage regulation

IO = 0.1 mA to 1 mA

TA = 125°C

0.3

TA = MIN

0.3

Short-circuit output current

VO = 0

(1)

All typical values are at TA = 25°C, unless otherwise indicated.

(2)

These parameters are not production tested.

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