STV2145 查看數據表（PDF） - STMicroelectronics

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STV2145

I2C BUS CONTROLLED EAST-WEST AND VERTICAL INTERFACE

STMicroelectronics 

STV2145

ABSOLUTE MAXIMUM RATINGS

Symbol

VCC

VSCL, VSDA

VSENSP, VSENSM

Toper

Tstg

Parameter

Supply Voltage (pin 5)

Separated Protection Structures to these Pins 1 and 2

No Protection Diodes to VCC in Order to Allow Half Bridge

Operation (Pins 15 and 16)

Operating Ambient Temperature

Storage Temperature

Value

Unit

9

V

6

V

20

V

0, +70

°C

-55, +150

°C

THERMAL DATA

Symbol

Rth (j-a)

Parameter

Junction-ambient Thermal Resistance

Max.

Value

70

Unit

oC/W

ELECTRICAL CHARACTERISTICS (VCC = 7.8V, Tamb = 25°C, unless otherwise specified)

Symbol

Parameter

Test Conditions

SUPPLY (Pin 5) (see Note 1)

Pmax

Imax

Total Power Consumption

Current Capability (Pin 4)

Line Ripple Rejection

(see Note 2)

Load Regulation

(see Note 2)

VNOM Regulation Voltage

I2C BUS (Pins 1 and 2)

Typical power consumption

Maximum current pulled down by Pin 4

External transistor, Pin 4 connected with

3.3kΩ against Power Supply (e.g. 12V ;

recommended current into REG = 1mA),

∆VCC / ∆Vpower

External transistor, Pin 4 connected with

3.3kΩ against Power Supply (12V),

∆VCC / ∆IE(regulation transistor)

External regulation transistor, Pin 4

connected via 3.3kΩ resistor against 12V

VTH

IBUS

Data

fMax.

Input Threshold Voltage

Input Current

Saturation Voltage

Pull-down Current

Maximum Toggle Frequency

V1 and V2 = 5V

Open collector of pull-down transistor at

5mA

No pull-down capability.

Pin 1 can’t be pulled down to slow down

clock SCL of microprocessor

TIME BASE GENERATION INTERFACES

HFLY INTERFACE (Pin 10)

Polarity of Horizontal Flyback

VTH

VCLP

ICLPP

VCLP

ICLPP

Threshold Voltage

Positive Clamp Voltage

Maximum Positive Clamping

Current

Negative Clamping Voltage

Minimum Negative

Clamping Current

Preferable heater-winding of EHT-

transformer (flyback voltage positive

during horizontal flyback)

VBE voltage comparator

Clamping voltage = VTH + VBE

Input voltage exceeds positive clamping

voltage

Clamping voltage = VTH - VBE

Input voltage smaller than negative

clamping voltage

Min. Typ. Max. Unit

0.15

W

15

mA

-35

dB

1 mV/mA

7.5 7.8 8.2

V

1.5 2.1 2.7

V

40

µA

0.5

V

200

kHz

Positive

0.5 0.7 1.0

V

1.6

V

4

mA

0

V

-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.

7/17

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