MAX5025 데이터 시트보기 (PDF) - Maxim Integrated

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MAX5025

500kHz, 36V Output, SOT23, PWM Step-Up DC-DC Converters

Maxim Integrated 

500kHz, 36V Output, SOT23,

Step-Up DC-DC Converters

Typical Operating Characteristics (continued)

(VCC = 5V, VOUT = 30V, TA = +25°C, unless otherwise noted.)

SWITCH ON-RESISTANCE

vs. TEMPERATURE

3.0

MAX5026

2.5

VCC = 3V

2.0

VCC = 5V

1.5

1.0

0.5

-40 -20

VCC = 11V

0 20 40 60 80

TEMPERATURE (°C)

LX LEAKAGE CURRENT vs. TEMPERATURE

0.050

0.045

0.040

CURRENT INTO LX PIN

VLX = 40V

0.035

0.030

0.025

0.020

0.015

0.010

0.005

0

-40 -20 0 20 40 60 80

TEMPERATURE (°C)

LOAD REGULATION

32

MAX5026

VCC = 5V

31

WITHOUT RC FILTER

(CIRCUIT OF FIGURE 2)

30

WITH RC FILTER

29

(CIRCUIT OF FIGURE 3)

28

0

1

2

3

4

5

LOAD CURRENT (mA)

MAX5026

MAXIMUM LOAD CURRENT

vs. INPUT VOLTAGE

100

10

C

1

0.1

3

A

B

D

E

A: VOUT = 12V

B: VOUT = 24V

C: VOUT = 30V

D: VOUT = 32V

E: VOUT = 36V

5

7

9

11

INPUT VOLTAGE (V)

_______________________________________________________________________________________ 7

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