TL7757CD datasheet(2/11 Pages) TI

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TL7757

SUPPLY-VOLTAGE SUPERVISOR

AND PRECISION VOLTAGE DETECTOR

SLVS041E – SEPTEMBER 1991 – REVISED JULY 1999

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

equivalent schematic

VCC

R10

R11

R12

Q10

R13

Q11

Q12

Q13

Q15

Q14

Q16

R14

Q18

Q17

R15

R16

Q19

Q20

Q21

R18

RESET

GND

ACTUAL DEVICE

COMPONENT COUNT

Transistors

Resistors

Capacitors

absolute maximum ratings over operating free-air temperature (unless otherwise noted)†

Supply voltage range, VCC (see Note 1)

–0.3 V to 20 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Offstate output voltage range (see Note 1)

–0.3 V to 20 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output current, IO

30 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Package thermal impedance,

θJA (see Notes 2 and 3): D package

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

LP package

156

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . .

PK package

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds

260

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range, Tstg

–65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES:

1. All voltage values are with respect to network terminal ground.

2. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable

ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can impact reliability.

3. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace

length of zero.

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