MAX5091 データシートの表示（PDF） - Maxim Integrated

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MAX5091

28V, 100mA, Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output

Maxim Integrated 

MAX5091

28V, 100mA, Low-Quiescent-Current LDO

with Reset and Power-Fail Input/Output

Typical Operating Characteristics (continued)

(Typical Application Circuit, VS = +14V, CIN = 10μF, COUT = 10μF, VSI = 0V, VEN = +2.4V, VOUT = +5V, TA = +25°C, unless

otherwise noted.)

DROPOUT VOLTAGE

vs. TEMPERATURE

400

MAX5091A

350 VS = 4.75V

300

250

IOUT = 100mA

200

150

100

50

0

-40

1.50

1.45

1.40

1.35

1.30

1.25

1.20

1.15

1.10

1.05

1.00

-40

IOUT = 10mA

-5

30

65 100 135

TEMPERATURE (°C)

SENSE THRESHOLD

vs. TEMPERATURE

SI INPUT RISING

SI INPUT FALLING

-5

30

65 100 135

TEMPERATURE (°C)

RESET THRESHOLD

vs. TEMPERATURE

4.60

MAX5091A

4.58

4.56

4.54

4.52

VOUT RISING

4.50

4.48

4.46

4.44

VOUT FALLING

4.42

4.40

-40

-5

30

65 100 135

TEMPERATURE (°C)

SENSE OUTPUT

vs. SENSE INPUT

5

4

3

VSI FALLING

2

VSI RISING

1

0

1.0

1.1

1.2

1.3

1.4

SENSE INPUT (V)

RESET VOLTAGE

vs. OUTPUT VOLTAGE

5

MAX5091A

RRES = 10kΩ TO OUT

4

3

2

VOUT FALLING

1

VOUT RISING

0

4.3

4.4

4.5

4.6

4.7

VOUT (V)

POWER-SUPPLY REJECTION RATIO

vs. SUPPLY CURRENT

0

VIN = 14V

-10

IOUT = 10mA

500mVP-P

-20

-30

-40

-50

-60

-70

-80

0.01

0.1

1

10

100

FREQUENCY (kHz)

LOAD-TRANSIENT RESPONSE

MAX5091 toc19

CIN = 10µF

COUT = 10µF/10mΩ ESR

ISTEP = 100µA TO 50mA

VOUT

5V AC-COUPLED

100mV/div

50mA

IOUT

20mA/div

100µA

LINE-TRANSIENT RESPONSE

MAX5091 toc20

VOUT

5V AC-COUPLED

200mV/div

IOUT = 1mA

40V

VS

10V/div

14V

200µs/div

200µs/div

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