Adjustable, Step-Down,

Current-Mode PWM Regulators

2

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Pin Voltages

V+ (MAX750A).........................................................+12V, -0.3V

V+ (MAX758A).........................................................+18V, -0.3V

LX (MAX750A) ....................................(V+ - 12V) to (V+ + 0.3V)

LX (MAX758A) ....................................(V+ - 21V) to (V+ + 0.3V)

SS, CC,

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

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:

MAX75_AC_ _ .......................................................0°C to +70°C

MAX75_AE_ _ ....................................................-40°C to +85°C

MAX75_AMJA ..................................................-55°C to +125°C

Junction Temperatures:

MAX75_AC_ _/AE_ _ ......................................................+150°C

MAX75_AMJA ................................................................+175°C

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

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

ELECTRICAL CHARACTERISTICS

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

UNITS

Load Regulation

0.0005

%/V

Line Regulation

0.15

Input Voltage Range

4.0

11.0

V

%/mA

Efficiency

92

%

Supply Current

1.7

3.0

mA

4.75

5.00

5.25

Output Voltage

(Note 1)

V

6.0

100.0

µA

2.0

Shutdown Input

Threshold

0.25

V

1.0

µA

Short-Circuit Current

1.5

A

CONDITIONS

SHDN = 0V

V+ = 4.0V to 16.0V

V+ = 4.0V to 11.0V

ABSOLUTE MAXIMUM RATINGS

V+ = 6.0V to 11.0V;

V+ = 6.0V to 16.0V;

V+ = 10.2V to 16.0V,

Shutdown Supply

Current (Note 2)

Shutdown Input

Leakage Current

MAX750A

MIN

TYP

MAX

MAX758A

MIN

TYP

MAX

6.0

100.0

2.0

0.15

4.0

16.0

0.0005

90

0.25

87

1.0

1.7

3.0

1.5

4.75

5.00

5.25

4.75

5.00

5.25