MAX775CPA datasheet(3/16 Pages) MAXIM

Part #	MAX775CPA

Description	-5V/-12V/-15V or Adjustable, High-Efficiency, Low IQ Inverting DC-to-DC Controllers

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Manufacturer	MAXIM [Maxim Integrated Products]

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-5V/-12V/-15V or Adjustable, High-Efficiency,

Low IQ Inverting DC-to-DC Controllers

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(V+ = 5V, ILOAD = 0mA, CREF = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

3V

≤ V+ ≤ 16.5V

V+ = 16.5V, SHDN = 0V or V+

MAX774, V+ = 5V, ILOAD = 1A

MAX776, V+ = 5V, ILOAD = 400mA

MAX775, V+ = 5V, ILOAD = 500mA

CONDITIONS

V

1.6

VIH

SHDN Input Voltage High

µA

±1

SHDN Input Current

%

82

Efficiency

(Circuit of Figure 2—

Bootstrapped)

87

CEXT = 1nF, V+ = 12V

ns

50

V+ = 12V

EXT Fall Time

µs

88

ns

1.8

2.3

2.8

tOFF (max)

Switch Minimum Off-Time

µs

12

16

20

tON (max)

Switch Maximum On-Time

µA

±1

CS Input Current

50

UNITS

MIN

TYP

MAX

SYMBOL

EXT Rise Time

PARAMETER

160

210

260

3V

≤ V+ ≤ 16.5V

mV

180

210

240

VCS

Current-Limit Trip Level

(V+ – CS)

0.3

3V

≤ V+ ≤ 16.5V

V

0.4

VIL

SHDN Input Voltage Low

MAX77_M

MAX77_C/E

MAX77_M

MAX77_C/E

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