MAX1837 データシートの表示（PDF） - Maxim Integrated

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MAX1837

24V Internal Switch, 100% Duty Cycle, Step-Down Converters

Maxim Integrated 

MAX1836/MAX1837

24V Internal Switch, 100% Duty Cycle,

Step-Down Converters

Typical Operating Characteristics (continued)

(Circuits of Figures 1 (MAX1836) and 2 (MAX1837), VIN = 12V, SHDN = IN, TA = +25°C.)

400mA

MAX1837EUT50

LOAD TRANSIENT

MAX1836/7 toc14

200mA

A

0

5.02V

5.00V

B

4.98V

750mA

250mA

C

0

100µs/div

A: IOUT = 10mA to 250mA, 200mA/div

B: VOUT = 5V, 20mV/div

C: IL, 500mA/div

VIN = 12V, FIGURE 6

15V

10V

5V

5.1V

5.0V

4.9V

500mA

0

MAX1837EUT50

LINE TRANSIENT NEAR DROPOUT

MAX1836/7 toc16

A

B

C

400µs/div

A: VIN = 5V to 12V, 5V/div

B: VOUT = 5V, ROUT = 100Ω, 100mV/div

C: IL, 500mA/div

FIGURE 6

20V

10V

0

5.1V

5.0V

4.9V

500mA

0

MAX1837EUT50

LINE TRANSIENT

MAX1836/7 toc15

A

B

C

400µs/div

A: VIN = 9V to 18V, 10V/div

B: VOUT = 5V, ROUT = 100Ω, 100mV/div

C: IL, 500mA/div

FIGURE 6

2V

0

4V

2V

0

500mA

0

MAX1837EUT50

STARTUP WAVEFORM

MAX1836/7 toc17

A

B

C

200µs/div

A: VSHDN = 0 to 2V, 2V/div

B: VOUT = 5V, ROUT = 100Ω, 2V/div

C: IL, 500mA/div

VIN = 12V, FIGURE 6

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