MAX6791 datasheet(4/24 Pages) MAXIM

Part #	MAX6791

Description	High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions

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Manufacturer	MAXIM [Maxim Integrated Products]

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High-Voltage, Micropower, Single/Dual Linear

Regulators with Supervisory Functions

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(VIN = 14V, CIN = 1µF, COUT = 10µF, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = TJ = +25°C.)

(Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

MAX6795/MAX6796, output shorted,

VIN = 6V

400

480

Short-Circuit Output Current Limit

(Note 4)

MAX6791–MAX6794, output shorted,

VIN = 6V

200

240

mA

Thermal-Shutdown Temperature

+165

°C

Thermal-Shutdown Hysteresis

20

°C

8V

VIN

72V, ILOAD = 1mA

1

Line Regulation

8V

VIN

72V, ILOAD = 10mA

1

% of

VOUT

IOUT = 1mA to 300mA

(MAX6795/MAX6796)

2

Load Regulation (Note 5)

IOUT = 1mA to 150mA

(MAX6791–MAX6794)

1.5

%

Power-Supply Rejection Ratio

PSRR

ILOAD = 10mA, f = 100Hz, VIN = 500mVP-P

69

dB

ILOAD = 300mA, VOUT = 5V,

VOUT = 90% of its nominal value

180

Startup Response Time

tSTART

ILOAD = 150mA, VOUT = 5V,

VOUT1/OUT2 = 90% of its nominal value

360

µs

Output Overvoltage Protection

Threshold

OVTH

ISINK = 1mA from OUT/OUT1/OUT2

1.05 x

VOUT

1.1 x

VOUT

V

Output Overvoltage Protection

Sink Current

VOUT = VOUT (nominal) x 1.15

5

10

mA

IN to GATEP Clamp Voltage

IGATEP = -100µA, VIN = 20V

13.8

16.3

18.8

V

IN to GATEP Drive Voltage

IGATEP = 0A, VIN = 20V

8

10

12

V

ENABLE/ENABLE1/ENABLE2/

HOLD Input-Voltage Low

VIL

0.4

V

ENABLE/ENABLE1/ENABLE2/

HOLD Input-Voltage High

VIH

1.4

V

ENABLE/ENABLE1/ENABLE2

Input Pulldown Current

Enable is internally pulled down to GND

0.5

µA

HOLD Input Pullup Current

HOLD is internally pulled to OUT/OUT1

2

µA

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