MAX5082 查看數據表（PDF） - Maxim Integrated

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产品描述 (功能)

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MAX5082

1.5A, 40V, MAXPower Step-Down DC-DC Converters

Maxim Integrated 

1.5A, 40V, MAXPower Step-Down

DC-DC Converters

Typical Operating Characteristics (continued)

(VIN = 12V, see Figure 5 (MAX5082) and Figure 6 (MAX5083), TA = +25°C, unless otherwise noted.)

EFFICIENCY vs. LOAD CURRENT

100

90

80

VIN = 7.5V,

70

VOUT = 5V

60

VIN = 12V,

50

VOUT = 5V

40

30

20

0

0.001

VIN = 24V,

VOUT = 5V

VIN = 40V,

VOUT = 5V

MAX5083

0.01

0.1

1

10

LOAD CURRENT (A)

LOAD-TRANSIENT RESPONSE

MAX5082/3 toc14

VIN = 12V, IOUT = 0.5A TO 1.5A

MAX5082

VOUT

AC-COUPLED

200m/V/div

ILOAD

1A/div

0

200µs/div

LX VOLTAGE AND INDUCTOR CURRENT

MAX5082/3 toc15

ILOAD = 40mA

VLX

5V/div

LX VOLTAGE AND INDUCTOR CURRENT

MAX5082/3 toc16

VLX

5V/div

2µs/div

INDUCTOR

CURRENT

200mA/div

LX VOLTAGE AND INDUCTOR CURRENT

MAX5082/3 toc17

VLX

5V/div

INDUCTOR CURRENT

100mA/div

INDUCTOR CURRENT

500mA/div

2µs/div

0

ILOAD = 140mA

2µs/div

0

ILOAD = 1A

6 _______________________________________________________________________________________

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