MAX1626ESA View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

MAX1626ESA

5V/3.3V or Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers

Maxim Integrated 

MAX1626/MAX1627

5V/3.3V or Adjustable,

100% Duty-Cycle, High-Efficiency,

Step-Down DC-DC Controllers

Typical Operating Characteristics (continued)

REFERENCE OUTPUT VOLTAGE

vs. TEMPERATURE

1.310

1.305

1.300

IREF = 0μA

IREF = 10μA

1.295

1.290

1.285

IREF = 50μA

IREF = 100μA

1.280

-60 -40 -20 0 20 40 60 80 100 120 140

TEMPERATURE (°C)

MAX1626 SHUTDOWN RESPONSE TIME

AND SUPPLY CURRENT

A

B

C

500μs/div

V+ = 8V, VOUT = 5V, LOAD = 1A

A: OUT, 2V/div

B: SUPPLY CURRENT, 1A/div

C: SHDN, 5V/div

MAX1626 LOAD-TRANSIENT RESPONSE

A

B

100μs/div

V+ = 8V, VOUT = 3.3V, LOAD = 30mA to 2A

A: OUT, 50mV/div, 3.3V DC OFFSET

B: LOAD CURRENT, 1A/div

MAX1626 LINE-TRANSIENT RESPONSE

A

B

5ms/div

VOUT = 5V, LOAD = 1A, CIN = 33μF

A: OUT, 100mV/div, 5V DC OFFSET

B: V+ 6V to 12V, 2V/div

LINE-TRANSIENT RESPONSE

FROM 100% DUTY CYCLE

A

B

5ms/div

VOUT = 3.3V, LOAD = 1A, CIN = 47μF

A: OUT, 100mV/div, 3.3V DC OFFSET

B: V+ 3.3V to 15V, 5V/div

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