7808 datasheet(2/16 Pages) MOTOROLA

Part #	7808

Description	THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS

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Manufacturer	MOTOROLA [Motorola, Inc]

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MC7800, MC7800A, LM340, LM340A Series

2

MOTOROLA ANALOG IC DEVICE DATA

MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.)

Rating

Symbol

Value

Unit

Input Voltage (5.0 – 18 V)

VI

35

Vdc

Input Voltage (24 V)

40

Power Dissipation

Case 221A

TA = 25°C

PD

Internally Limited

W

Thermal Resistance, Junction–to–Ambient

R

θJA

65

°C/W

Thermal Resistance, Junction–to–Case

R

θJC

5.0

°C/W

Case 936 (D2PAK)

TA = 25°C

PD

Internally Limited

W

Thermal Resistance, Junction–to–Ambient

R

θJA

See Figure 13

°C/W

Thermal Resistance, Junction–to–Case

R

θJA

5.0

°C/W

Storage Junction Temperature Range

Tstg

–65 to +150

°C

Operating Junction Temperature

TJ

+150

°C

NOTE: ESD data available upon request.

R15

680

R18

100 k

D1

Zener

R1

10.66 k

R2

1.56 k

R17

9.0 k

Q7

QNPN

LAT

Q17

Q9

QNPN 2

Q8

QNPN

Q14

QNPN

Q6

QNPN

Q5

QNPN 2

LAT 3 A

Q18

R5

4.5 k

R6

1.0 k

Q13

QNPN

Q2

QNPN 4

SUB

Q11 2

R11

15 k

QNPN 6

Q1

R7

14 k

R3

1.8 k

R8

5.0 k

Diode

Q16

Q4

QNPN

N+

C1

30 P

C2

3.0 P

R9

3.0 k

R16

600

R20

17500

Q15

QNPN

Q10

QNPN

R22

100

Q12

QNPN

R24

50

1.0 P

R21

600

R23

0.2

R19

27.5 k

D2

Zener

Q19

QNPN

R14

1.0 k

Q20

QNPN

R28

9.0 k

R27

9.0 k

R29

9.0 k

R25

6.0 k

R26

3.0 k

R12

3.0 k

R10

3340–(3316ACT)

R30

18 k

Sense

Vout

5.01

Vin

R13

11660

Q3

QNPN

MC7800

C3

Representative Schematic Diagram

This device contains 22 active transistors.

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