CA723C データシートの表示（PDF） - Intersil

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CA723C

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

Intersil 

CA723, CA723C

Typical Performance Curves (CA723) (Continued)

1.2

AMBIENT TEMPERATURE (TA) = 25oC

1.0

0.8

0.6

0.4

0.2

0

0

70oC

0oC

10

20

40

60

80 100

OUTPUT CURRENT (mA)

FIGURE 12. CURRENT LIMITING CHARACTERISTICS

OUTPUT VOLTAGE (VO) = REFERENCE

VOLTAGE (VREF)

LOAD CURRENT (IL) = 0

5

4

AMBIENT TEMPERATURE (TA) = 25oC

3

2

1

0oC

70oC

0

0

10

20

30

40

INPUT VOLTAGE (V)

FIGURE 13. QUIESCENT CURRENT vs INPUT VOLTAGE

Typical Performance Curves (CA723 and CA723C)

INPUT VOLTAGE (VI) = 12V

OUTPUT VOLTAGE (VO) = 5V

0.2

LOAD CURRENT (IL) = I TO 50mA

AMBIENT TEMPERATURE (TA) = 25oC

SHORT CIRCUIT PROTECTION

0.1 RESISTANCE (RSCP) = 0

0

-0.1

-0.2

-0.3

-5

5

15

25

35

45

DIFFERENTIAL INPUT - OUTPUT VOLTAGE (V)

FIGURE 14. LOAD REGULATION vs DIFFERENTIAL INPUT-

OUTPUT VOLTAGE

OUTPUT VOLTAGE (VO) = 5V

0.3

LOAD CURRENT (IL) = 1mA

AMBIENT TEMPERATURE (TA)

=

25oC

DIFFERENTIAL INPUT VOLTAGE (∆VT) = 3V

SHORT CIRCUIT PROTECTION RESISTANCE

0.2 (RSCP) = 0

0.1

0

-0.1

-0.2

-5

5

15

25

35

45

DIFFERENTIAL INPUT - OUTPUT VOLTAGE (V)

FIGURE 15. LINE REGULATION vs DIFFERENTIAL INPUT-

OUTPUT VOLTAGE

INPUT VOLTAGE (VI) = 12V, OUTPUT VOLTAGE (VO) = 5V

15

LOAD CURRENT (IL) = 40mA

AMBIENT TEMPERATURE (TA)

=

25oC

SHORT CIRCUIT PROTECTION RESISTANCE (RSCP) = 0

10

LOAD CURRENT (IL)

10

0

5

OUTPUT VOLTAGE (VO)

-10

0

-20

5

-30

10

-5

5

15

25

35

45

TIME (µs)

FIGURE 16. LINE TRANSIENT RESPONSE

0.8

200

CURRENT LIMITING

SENSE VOLTAGE

0.7

160

0.6

120

SHORT CIRCUIT LIMITING

CURRENT WITH RSCP = 5Ω

0.5

80

0.4 WITH RSCP = 10Ω

40

0.3

0

-50

0

50

100 150

JUNCTION TEMPERATURE (oC)

FIGURE 17. CURRENT LIMITING CHARACTERISTIC vs

JUNCTION TEMPERATURE

3-8

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