ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Supply Voltage (pin 5)

9

V

Separated Protection Structures to these Pins 1 and 2

6

V

Operation (Pins 15 and 16)

20

V

Operating Ambient Temperature

0, +70

°C

Storage Temperature

-55, +150

°C

THERMAL DATA

Symbol

Parameter

Value

Unit

Junction-ambient Thermal Resistance

Max.

70

°C, unless otherwise specified)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

SUPPLY (Pin 5) (see Note 1)

Total Power Consumption

Typical power consumption

0.15

W

Current Capability (Pin 4)

Maximum current pulled down by Pin 4

15

mA

Line Ripple Rejection

(see Note 2)

External transistor, Pin 4 connected with

3.3k

Ω against Power Supply (e.g. 12V ;

recommended current into REG = 1mA),

-35

dB

Load Regulation

(see Note 2)

External transistor, Pin 4 connected with

3.3k

Ω against Power Supply (12V),

1

mV/mA

Regulation Voltage

External regulation transistor, Pin 4

connected via 3.3k

Ω resistor against 12V

7.5

7.8

8.2

V

I

Input Threshold Voltage

1.5

2.1

2.7

V

Input Current

40

µA

Data

Saturation Voltage

Open collector of pull-down transistor at

5mA

0.5

V

Pull-down Current

No pull-down capability.

Pin 1 can’t be pulled down to slow down

clock SCL of microprocessor

Maximum Toggle Frequency

200

kHz

TIME BASE GENERATION INTERFACES

HFLY INTERFACE (Pin 10)

Polarity of Horizontal Flyback

Preferable heater-winding of EHT-

transformer (flyback voltage positive

during horizontal flyback)

Positive

Threshold Voltage

0.5

0.7

1.0

V

Positive Clamp Voltage

1.6

V

Maximum Positive Clamping

Current

Input voltage exceeds positive clamping

voltage

4mA

Negative Clamping Voltage

0V

Minimum Negative

Clamping Current

Input voltage smaller than negative

clamping voltage

-2

mA

Notes :

1.

Supply voltage is regulated via external series regulator transistor.

2.

Parameter is not tested during production, but it is guaranteed by the design and qualified by means of corner lots.

STV2145

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