MAX1536ETI-T View Datasheet(PDF) - Maxim Integrated

Part Name

Description

MFG CO.

MAX1536ETI-T

3.6A, 1.4MHz, Low-Voltage, Internal-Switch Step Down Regulator with Dynamic Output Voltage Control

Maxim Integrated 

3.6A, 1.4MHz, Low-Voltage, Internal-Switch Step-

Down Regulator with Dynamic Output Voltage Control

Typical Operating Characteristics (continued)

(MAX1536 Circuit of Figure 1, TA = +25°C, unless otherwise noted.)

STARTUP AND SHUTDOWN

(HEAVY LOAD)

MAX1536 toc10

VSHDN

5V/div

VPGOOD

5V/div

STARTUP AND SHUTDOWN

(LIGHT LOAD)

MAX1536 toc11

VSHDN

5V/div

VPGOOD

5V/div

ILX

2A/div

VOUT

1V/div

ILX

1A/div

VOUT

1V/div

400µs/div

VIN = 3.3V, VOUT = 1.8V, RLOAD = 0.5Ω

LOAD-TRANSIENT RESPONSE

(PWM MODE)

MAX1536 toc12

IOUT

2A/div

400µs/div

VIN = 3.3V, VOUT = 1.8V, RLOAD = 3Ω

LOAD-TRANSIENT RESPONSE

(IDLE MODE)

MAX1536 toc13

IOUT

2A/div

ILX

2A/div

VOUT

50mV/div

VLX

5V/div

ILX

2A/div

VOUT

50mV/div

VLX

5V/div

20µs/div

VIN = 3.3V, VOUT = 1.8V, IOUT = 0.1A TO 3A TO 0.1A

DYNAMIC OUTPUT-VOLTAGE TRANSITION

(IDLE MODE)

MAX1536 toc14

VGATE

5V/div

VLX

5V/div

20µs/div

VIN = 3.3V, VOUT = 1.8V, IOUT = 0.1A TO 3A TO 0.1A

REFERENCE VOLTAGE

vs. TEMPERATURE

2.002

VIN = 3.3V

IREF = 0

2.001

IREF = 25µA

2.000

0

20µs/div

VIN = 3.3V, VOUT = 1.5V TO 1.8V TO 1.5V,

FBLANK = REF, ILOAD = 0.1A

VOUT

200mV/div

VREFIN

200mV/div

ILX

5A/div

1.999

1.998

1.997

IREF = 50µA

1.996

-40 -15

10

35

60

85

TEMPERATURE (°C)

_______________________________________________________________________________________ 7

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