MAX15003ATM+ datasheet(6/32 Pages) MAXIM

Part #	MAX15003ATM+

Description	Triple-Output Buck Controller with Tracking/Sequencing

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Manufacturer	MAXIM [Maxim Integrated Products]

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6 / 32 page

Triple-Output Buck Controller with

Tracking/Sequencing

6

_______________________________________________________________________________________

Typical Operating Characteristics (continued)

(Figure 8, VIN = 12V, CREG = 2.2µF, TA = +25°C, unless otherwise noted.)

SWITCHING FREQUENCY ACCURACY

vs. TEMPERATURE

TEMPERATURE (

°C)

50

100

75

10

8

6

4

2

0

-2

-4

-6

-8

-10

-50

125

-25

0

25

150

fSW = 600kHz

VALLEY CURRENT-LIMIT THRESHOLD

vs. VILIM

VILIM (mV)

2000

2500

350

300

250

200

150

100

50

500

3000

1000

1500

3500

VALLEY CURRENT-LIMIT THRESHOLD

vs. TEMPERATURE

TEMPERATURE (

°C)

50

25

75

100

90

80

70

60

50

40

30

20

-50

100 125

-25

0

150

RILIM = 25.5k

Ω

TEMPERATURE COEFFICIENT

(NOM.) = 3,333ppm/

°C

SWITCHING CURRENT

vs. FREQUENCY

FREQUENCY (kHz)

1200

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

200

1700

700

2200

RATIOMETRIC STARTUP

MAX15003 toc13

1ms/div

10V/div

1V/div

0V

VOUT1, 2, 3

VIN

VEN2 = VEN3 = 0V, SEL = REG

RATIOMETRIC SHUTDOWN

MAX15003 toc14

400

µs/div

500mV/div

0V

VOUT1, 2, 3

VOUT2

VOUT3

VOUT1

VEN2 = VEN3 = 0V, SEL = REG

CHANNEL 2 SHORT CIRCUIT

(RATIOMETRIC MODE)

MAX15003 toc15

400

µs/div

1V/div

0V

VOUT2

VOUT3

VOUT1

VEN2 = VEN3 = 0V, SEL = REG

CHANNEL 1 SHORT CIRCUIT

(RATIOMETRIC MODE)

MAX15003 toc16

400

µs/div

1V/div

0V

VOUT2

VOUT3

VOUT1

VEN2 = VEN3 = 0V, SEL = REG

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MAX15003ATM+ Datasheet(PDF) 6 Page - Maxim Integrated Products

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