MAX15048 View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

MAX15048

Triple-Output Buck Controllers with Tracking/Sequencing

Maxim Integrated 

MAX15048/MAX15049

Triple-Output Buck Controllers

with Tracking/Sequencing

Typical Operating Characteristics (continued)

(VIN = 12V, VDREG_ = VREG, VPGND_ = 0V, CREG = 2.2FF, RRT = 39.2kI, TA = +25NC, unless otherwise noted. See Figure 10.)

120° OUT-OF-PHASE OPERATION

MAX15048 toc25

10V/div

VLX1

0V

10V/div

VLX2

0V

10V/div

VLX3

0V

1µs/div

CONVERTER 1 SHORT-CIRCUIT CONDITION

(HICCUP MODE)

MAX15048 toc27

VOUT1

VLX1

IOUT1

VPGOOD

2µs/div

200mV/div

10V/div

10A/div

1V/div

BREAK-BEFORE-MAKE TIMING

MAX15048 toc29

FULL LOAD

2V/div

VLX1

0V

2V/div

VDL1

0V

20ns/div

8  

0.60250

0.60125

0.60000

VFB_ vs. TEMPERATURE

DRIVERS SWITCHING

NO OUTPUT LOAD

VIN = 12V

0.59875

0.59750

0.59625

0.59500

-40 -28 -15 -3 10 23 35 48 60 73 85

TEMPERATURE (°C)

BREAK-BEFORE-MAKE TIMING

MAX15048 toc28

FULL LOAD

5V/div

VLX1

0V

2V/div

VDL1

0V

20ns/div

STARTUP INTO PREBIASED OUTPUT

(0.5V PREBIASED)

MAX15048 toc30

VEN1

5V/div

0V

VOUT1

1V/div

0V

1ms/div

Maxim Integrated

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