MAX730ACPA datasheet(2/16 Pages) MAXIM

Part #	MAX730ACPA

Description	5V, Step-Down, Current-Mode PWM DC-DC Converters

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Manufacturer	MAXIM [Maxim Integrated Products]

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5V, Step-Down,

Current-Mode PWM DC-DC Converters

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 3, V+ = 9V for the MAX730A, V+ = 12V for the MAX738A/MAX744A, ILOAD = 0mA, TA = TMIN to TMAX,

unless otherwise noted.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

PARAMETER

MAX730A

MIN

TYP

MAX

UNITS

4.75

5.00

5.25

CONDITIONS

Pin Voltages

V+ (MAX730A) ......................................................+12V, -0.3V

V+ (MAX738A/MAX744A) .....................................+18V, -0.3V

LX (MAX730A) .................................(V+ - 12V) to (V+ + 0.3V)

LX (MAX738A/MAX744A) ................(V+ - 21V) to (V+ + 0.3V)

OUT .................................................................................±25V

SS, CC,

SHDN .........................................-0.3V to (V+ + 0.3V)

Peak Switch Current (ILX) ........................................................2A

Reference Current (IREF) ...................................................2.5mA

Continuous Power Dissipation (TA = +70°C)

8-Pin Plastic DIP (derate 9.09mW/°C above +70°C)...727mW

8-Pin SO (derate 5.88mW/°C above +70°C) ...............471mW

16-Pin Wide SO (derate 9.52mW/°C above +70°C) .....762mW

8-Pin CERDIP (derate 8.00mW/°C above +70°C) .......640mW

Operating Temperature Ranges:

MAX7_ _AC_ _....................................................0°C to +70°C

MAX7_ _AE_ _ .................................................-40°C to +85°C

MAX7_ _AMJA ..............................................-55°C to +125°C

Junction Temperatures:

MAX7_ _AC_ _/AE_ _...................................................+150°C

MAX7_ _AMJA.............................................................+175°C

Storage Temperature Range ............................-65°C to +160°C

Lead Temperature (soldering, 10sec).............................+300°C

0mA < ILOAD < 450mA,

MAX730AC

0mA < ILOAD < 450mA,

MAX730AE

0mA < ILOAD < 300mA,

MAX730AM

0mA < ILOAD < 450mA,

MAX738AC/AE

0mA < ILOAD < 350mA,

MAX738AM

0mA < ILOAD < 500mA,

MAX744AC/AE

0mA < ILOAD < 375mA,

MAX744AM

MAX738A

MIN

TYP

MAX

4.75

5.00

5.25

4.75

5.00

5.25

MAX744A

MIN

TYP

MAX

4.75

5.00

5.25

4.75

5.00

5.25

Output Voltage

V

V+ = 9.0V

to 16.0V

6.0

16.0

6.0

16.0

5.2

11.0

V

V+ = 5.2V to 11.0V

0.15

V+ = 6.0V to 16.0V

0.15

%/V

Line Regulation

V+ = 6.0V

to 16.0V

V+ = 6.0V

to 11.0V

V+ = 10.2V to 16.0V,

0mA < ILOAD < 750mA

0mA < ILOAD < 750mA,

MAX744AC/AE

0mA < ILOAD < 600mA,

MAX744AM

Input Voltage

Range

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