STV9378 datasheet(2/5 Pages) STMICROELECTRONICS

2 / 5 page

POWER

AMPLIFIER

THER MAL

PROTECTION

REFERENCE

VOLTAGE

FLYBACK

GENERATOR

FLYBACK

GENERATOR

OUTPUT

GROUND

NON-INVERTING INPUT

OR REFERENCE VOLTAGE

INVERTING INPUT

OUTPUT

STAGE

SUPPLY

VOLTAGE

STV9378

BLOCK DIAGRAM

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Supply Voltage (Pin 2) (see note 1)

Flyback Peak Voltage (Pin 6) (see note 1)

100

V1 ,V7

Amplifier Input Voltage (Pins 1-7) (see note 1)

- 0.3, + VS

Maximum Output Peak Current (see notes 2 and 3)

1.5

Maximum Sink Current (first part of flyback) (t < 1ms)

1.5

Maximum Source Current (t < 1ms)

1.5

Toper

Operating Ambient Temperature

- 20, + 75

Tstg

Storage Temperature

- 40, + 150

Junction Temperature

+150

Notes :

Versus GND.

The output current can reach 4A peak for t

≤ 10µs (up to 120Hz).

Provided SOAR is respected (see Figures 1 and 2).

THERMAL DATA

Symbol

Parameter

Value

Unit

Rth (j-c)

Junction-case Thermal Resistance

Max.

oC/W

Temperature for Thermal Shutdown

150

∆Tt

Hysteresis on Tt

Tjr

Recommended Max. Junction Temperature

120

STV9378

2/5

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