RECOMMANDED OPERATING CONDITIONS

Symbol

Parameter

Min.

Typ.

Max.

Unit

Positive Power Supply

10

14

V

V–

Negative Power Supply (absolute value) (note 1)

0

5

V

Total Power Supply

18

V

Positive Output Current

1.2

A

Negative Output Current

1.7

A

Fsw

Switching Frequency

50

khz

Ro

Oscillator Resistor Range

30

150

k

Ω

Co

Oscillator Capacitor Range

470

2700

pF

C1

Starting Oscillator Capacitor Range

0.1

4.7

µF

C2

Repetitive Overload Protection Capacitor

1

22

µF

Input Pulses Amplitude (peak) (derivated pulses - time constant = 1

µs)

0.5

1

V

Operating Ambiant Temperature

– 20

70

°C

12

13

45

1

14

TEA2164

TEA2164

5

13

12

4

14

1

-

CC

V

<0

B

I

B

I> 0

<0

B

I

capacitive

coupling

I

<0

B

I

-

CC

V

B

I

ELECTRICAL OPERATING CHARACTERISTICS

(unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

POWER SUPPLY

8

9

9.6

V

5

6.2

7.4

V

2

2.8

3.5

V

Overvoltage Lock-out

14.8

15.5

16.2

V

Starting Positive Supply Current

0.5

0.8

1.5

mA

CURRENT LIMITATION AND PROTECTION (pin 11)

VCM1

Pulse by Pulse Current Limitation Threshold

720

840

970

mV

VCM2

Current Monitoring 2nd Threshold

1200

1350

1500

mV

∆VCM

∆VCM = VCM2 – VCM1

300

500

700

mV

REPETITIV E OVERCURRENT PROTECTION

VCM3

Repetitive Overcurrent Threshold (pin 11)

700

900

1100

mV

VCM3-VCM1

(VCM3-VCM1)

– 20

50

130

mV

VC2

Lock-out Voltage on Pin 3

2.4

3

3.6

V

I3 disch

Capacitor C2 Discharge Current (synchronized mode)

10

20

30

µA

I3 ch.

Capacitor C2 Charge Current

50

80

110

µA

OSCILLATOR, MAX DUTY CYCLE, SYNCHRONIZATION

Oscillator Initial Accuracy RT = 50 K, CT = 1 nF

19.3

21

22.7

µs

70

85

%

TEA2164

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