MAX16922(2009) データシートの表示（PDF） - Maxim Integrated

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MAX16922
(Rev.:2009)

2.2MHz, Dual, Step-Down DC-DC Converters, Dual LDOs, and RESET

Maxim Integrated 

2.2MHz, Dual, Step-Down DC-DC

Converters, Dual LDOs, and RESET

Typical Operating Characteristics (continued)

(VPV1 = 13.5V, VPV2 = VPV3 = VOUT1, VPV4 = VOUT2; TA = +25°C, unless otherwise specified.)

SWITCHING FREQUENCY

vs. LOAD CURRENT

2.0

1.6

1.2

0.8

0.4

0

0 200 400 600 800 1000 1200

LOAD CURRENT (mA)

DROPOUT VOLTAGE vs. LOAD CURRENT

0.7

0.6

OUT1

0.5

0.4

0.3

OUT2

0.2

0.1

OUT3

0

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2

LOAD CURRENT (A)

OUT1 DROPOUT VOLTAGE

vs. TEMPERATURE

1.2

IOUT1 = 1.2A

1.0

0.8

0.6

0.4

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE (°C)

OUT2 DROPOUT VOLTAGE

vs. TEMPERATURE

0.7

IOUT2 = 600mA

0.6

0.5

0.4

0.3

0.2

0.1

0

-40 -25 -10 5 20 35 50 65 80 95 110 125

TEMPERATURE (°C)

OUT1 LOAD TRANSITION

MAX16922 toc13

IOUT1

500mA/div

VOUT1

AC-COUPLED

50mV/div

20ms/div

OUT2 LOAD TRANSIENT

MAX16922 toc14

OUT1 LINE TRANSIENT

MAX16922 toc15

IOUT2

200mA/div

VOUT2

AC-COUPLED

20mV/div

PV1

5V/div

OUT1

AC-COUPLED

20mV/div

20ms/div

4ms/div

6 _______________________________________________________________________________________

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