CA723E データシートの表示（PDF） - Harris Semiconductor

部品番号

コンポーネント説明

メーカー

CA723E

Voltage Regulators Adjustable from 2V to 37V at Output Currents Up to 150mA Without External Pass Transistors

Harris Semiconductor 

CA723, CA723C

V+

UNREGULATED

INPUT

D1

6.2V

R1

500Ω

D3

R3

25kΩ

Q3

R4

1kΩ

Q7

R5

1kΩ

Q8

VC

Q14

R2

15kΩ

Q4

Q5

Q9

Q11 Q12

R12

15kΩ

Q15

VO

Q1

Q6

C1

5pF

R7

30kΩ

R6

100Ω

Q10

D2

6.2V R9

R8 300Ω

5kΩ

R10

20kΩ

D4

Q13

R11

Q16

150Ω

VREF

NON-INVERTING V- INVERTING

INPUT

INPUT

VZ

FREQUENCY

COMPENSATION

CURRENT

LIMIT

CURRENT

SENSE

FIGURE 1. EQUIVALENT SCHEMATIC DIAGRAM OF THE CA723 AND CA723C

Typical Performance Curves (CA723)

MAX JUNCTION TEMP (TJ)

THERMAL RESISTANCE =

= +150oC

150oC/W

150

QUIESCENT DISSIPATION (PQ) = 60mW

(NO HEAT SINK)

100

AMBIENT TEMPERATURE (TA) = +25oC

50

+125oC

0

0

10

20

30

40

DIFFERENTIAL INPUT - OUTPUT VOLTAGE (V)

FIGURE 2. MAX LOAD CURRENT vs DIFFERENTIAL INPUT-

OUTPUT VOLTAGE

0.05

0

-0.05

OUTPUT VOLTAGE (VO) = 5V

INPUT VOLTAGE (VI) = 12V

SHORT CIRCUIT PROTECTION

RESISTANCE (RSCP) = 10Ω

-0.1

-0.15

-55oC

AMBIENT TEMP (TA) = +25oC

+125oC

-0.2

-0.25

0

5

10 15

20

25

30

OUTPUT CURRENT (mA)

FIGURE 4. LOAD REGULATION WITH CURRENT LIMITING

OUTPUT VOLTAGE (VO) = 5V

INPUT VOLTAGE (VI) = 12V

SHORT CIRCUIT PROTECTION

0.05

RESISTANCE (RSCP) = 0

0

-0.05

-0.1

-0.15

AMBIENT TEMPERATURE

(TA) = +25oC

-55oC

+125oC

-0.2

0

20 40 60 80 100

OUTPUT CURRENT (mA)

FIGURE 3. LOAD REGULATION WITHOUT CURRENT LIMIT-

ING

OUTPUT VOLTAGE (VO) = 5V

INPUT VOLTAGE (VI) = 12V

0.1

SHORT CIRCUIT PROTECTION

RESISTANCE (RSCP) = 0

0

AMBIENT TEMPERATURE (TA) = -55oC

-0.1

0.2

+25oC

-0.3

+125oC

-0.4

0

20

40 60

80

100

OUTPUT CURRENT (mA)

FIGURE 5. LOAD REGULATION WITH CURRENT LIMITING

7-5

Share Link: