MAX6794 Просмотр технического описания (PDF) - Maxim Integrated

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MAX6794

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

Maxim Integrated 

High-Voltage, Micropower, Single/Dual Linear

Regulators with Supervisory Functions

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

Short-Circuit Output Current Limit

(Note 4)

Thermal-Shutdown Temperature

Thermal-Shutdown Hysteresis

Line Regulation

Load Regulation (Note 5)

MAX6795/MAX6796, output shorted,

VIN = 6V

MAX6791–MAX6794, output shorted,

VIN = 6V

8V ≤ VIN ≤ 72V, ILOAD = 1mA

8V ≤ VIN ≤ 72V, ILOAD = 10mA

IOUT = 1mA to 300mA

(MAX6795/MAX6796)

IOUT = 1mA to 150mA

(MAX6791–MAX6794)

400

480

mA

200

240

+165

°C

20

°C

1

% of

1

VOUT

2

%

1.5

Power-Supply Rejection Ratio

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

69

dB

Startup Response Time

tSTART

ILOAD = 300mA, VOUT = 5V,

OUT = 90% of its nominal value

ILOAD = 150mA, VOUT = 5V,

OUT1/OUT2 = 90% of its nominal value

180

µs

360

Output Overvoltage Protection

Threshold

OVTH ISINK = 1mA from OUT/OUT1/OUT2

1.05 x 1.1 x

VOUT VOUT

V

Output Overvoltage Protection

Sink Current

VOUT = VOUT (nominal) x 1.15

5

10

mA

IN to GATEP Clamp Voltage

IN to GATEP Drive Voltage

ENABLE/ENABLE1/ENABLE2/

HOLD Input-Voltage Low

IGATEP = -100µA, VIN = 20V

IGATEP = 0, VIN = 20V

VIL

13.8 16.3 18.8

V

8

10

12

V

0.4

V

ENABLE/ENABLE1/ENABLE2/

HOLD Input-Voltage High

VIH

1.4

V

ENABLE/ENABLE1/ENABLE2

Input Pulldown Current

HOLD Input Pullup Current

Enable is internally pulled down to GND

HOLD is internally pulled to OUT/OUT1

0.5

µA

2

µA

4 _______________________________________________________________________________________

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