MAX15022 datasheet(6/27 Pages) MAXIM

Part #	MAX15022

Description	Dual, 4A/2A, 4MHz, Step-Down DC-DC Regulator with Dual LDO Controllers

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Manufacturer	MAXIM [Maxim Integrated Products]

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6 / 27 page

Dual, 4A/2A, 4MHz, Step-Down DC-DC

Regulator with Dual LDO Controllers

6

_______________________________________________________________________________________

QUIESCENT CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

110

95

65 80

-10 5

20 35 50

-25

2.75

3.00

3.25

3.50

3.75

4.00

4.25

4.50

4.75

5.00

2.50

-40

125

NO SWITCHING

SWITCHING CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

110

95

65 80

-10 5

20 35 50

-25

14

13

15

16

17

18

19

20

21

22

23

24

25

26

27

12

-40

125

REGULATOR 1 ENABLED

VOUT1 = 3.3V

REGULATOR 2 ENABLED

VOUT2 = 1.5V

NORMALIZED UNDERVOLTAGE LOCKOUT

THRESHOLD vs. TEMPERATURE

TEMPERATURE (

°C)

110

95

65 80

-10 5

20 35 50

-25

0.975

0.980

0.985

0.990

0.995

1.000

1.005

1.010

1.015

1.020

1.025

1.030

0.970

-40

125

VUVLO (NOM) = 2.2V

COINCIDENT TRACKING SOFT-START

MAX15022 toc13

VAVIN

5V/div

VOUT1

1V/div

VOUT2

1V/div

0V

1ms/div

COINCIDENT TRACKING SOFT-STOP

MAX15022 toc14

VAVIN

5V/div

1V/div

0V

400

μs/div

VOUT2

EN1

VOUT1

Typical Operating Characteristics (continued)

(VAVIN = VDVDD1 = VDVDD2 = VPVIN1 = VPVIN2 = 5V, VOUT1 = 3.3V, VOUT2 = 1.5V, VPGND_ = 0V, RT = 16.5kΩ. TA = +25°C, unless

otherwise noted.)

EN_ THRESHOLD

vs. TEMPERATURE

TEMPERATURE (

°C)

110

95

-25 -10 5

35 50 65

20

80

-40

125

1.215

1.220

1.225

1.230

1.235

1.240

1.245

1.250

1.255

1.260

1.210

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MAX15022 Datasheet(PDF) 6 Page - Maxim Integrated Products

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