TL5002

PULSEWIDTHMODULATION CONTROL CIRCUIT

SLVS304A − SEPTEMBER 2000 − REVISED AUGUST 2002

5

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended operating free-air temperature range, VCC = 6 V,

fosc = 100 kHz (unless otherwise noted)

undervoltage lockout

PARAMETER

TEST CONDITIONS

TL5002C

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Upper threshold voltage

TA = 25°C

3

V

Lower threshold voltage

TA = 25°C

2.8

V

Hysteresis

TA = 25°C

100

200

mV

† All typical values are at TA = 25°C.

oscillator

PARAMETER

TEST CONDITIONS

TL5002C

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Frequency

Rt = 100 kΩ

100

kHz

Standard deviation of frequency

15

kHz

Frequency change with voltage

VCC = 3.6 V to 40 V

1

kHz

TA = − 40°C to 25°C

−4

− 0.4

4

kHz

Frequency change with temperature

TA = − 20°C to 25°C

−4

− 0.4

4

kHz

Frequency change with temperature

TA = 25°C to 85°C

−4

− 0.2

4

kHz

Voltage at RT

1

V

† All typical values are at TA = 25°C.

dead-time control

PARAMETER

TEST CONDITIONS

TL5002C

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Output (source) current

TL5002

V(DT) = 1.5 V

0.9

× IRT‡

1.2

× IRT

µA

Input threshold voltage

Duty cycle = 0%

0.5

0.7

V

Input threshold voltage

Duty cycle = 100%

1.3

1.5

V

† All typical values are at TA = 25°C.

‡ Output source current at RT

error amplifier

PARAMETER

TEST CONDITIONS

TL5002C

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Input voltage

VCC = 3.6 V to 40 V

0.3

1.5

V

Input bias current

− 160

− 500

nA

Output voltage swing

Positive

1.5

2.3

V

Output voltage swing

Negative

0.3

0.4

V

Open-loop voltage amplification

80

dB

Unity-gain bandwidth

1.5

MHz

Output (sink) current

VI(INV) = 1.2 V, COMP = 1 V

100

600

µA

Output (source) current

VI(INV) = 0.8 V, COMP = 1 V

−45

−70

µA

† All typical values are at TA = 25°C.