MAX6399 查看數據表（PDF） - Maxim Integrated

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MAX6399

High-Voltage, Overvoltage/Undervoltage, Protection Switch Controller

Maxim Integrated 

High-Voltage, Overvoltage/Undervoltage,

Protection Switch Controller

ABSOLUTE MAXIMUM RATINGS

IN, GATE, OUT .......................................................-0.3V to +80V

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

OUT ........................................................................-0.3V to +80V

GATE to OUT..........................................................-0.3V to +20V

OUT_SET, SET, POK ..............................................-0.3V to +12V

Maximum Current (All pins) ................................................50mA

Continuous Power Dissipation (TA = +70°C)

8-Pin TDFN (derate 18.2mW/°C above +70°C) .........1455mW

Operating Temperature Range .........................-40°C to +125°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature Range................................................+300°C

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.

ELECTRICAL CHARACTERISTICS

(VIN = 14V; CGATE = 6000pF, TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

Supply Voltage Range

IN Supply Current

IN Undervoltage Lockout

IN Undervoltage Lockout

Hysteresis

SET Threshold Voltage

SET Threshold Hysteresis

SET Input Current

Startup Response Time

GATE Rise Time

SYMBOL

VIN

IIN

CONDITIONS

SHDN = high

SHDN = low

VIN rising, enables GATE

VIN falling, GATE off

VTH (SET)

VHYST

ISET

tSTART

With respect to GND, SET rising

SHDN rising (Note 2)

GATE rising from GND to VOUT + 8V,

CGATE = 6000pF, OUT = GND

MIN TYP MAX UNITS

5.75

72.00

V

100 130

µA

10

22

4.68

5

5.50

V

155

mV

0.480 0.5 0.517

V

5

% VTH

-50

+50

nA

100

µs

1

ms

SET to GATE Prop Delay

tOV

SET rising from VTH - 100mV to

VTH + 100mV

0.5

µs

GATE Output-Voltage High

GATE Output-Voltage Low

GATE Charge-Pump Current

GATE to OUT Clamp Voltage

SHDN Logic-High Input Voltage

SHDN Logic-Low Input Voltage

SHDN Input Pulldown Current

VOUT = VIN = 5V, RGATE to IN = 1MΩ

VIN +

3.6V

VIN +

3.8V

VIN +

4.0V

VOH

V

VOUT = VIN; VIN ≥ 14V, RGATE to IN = 1MΩ

VIN +

15V

VIN + VIN +

10V 10.7V

VOL

IGATE

VCLMP

VIH

VIL

GATE sinking 20mA, VOUT_SET = GND

GATE = GND

0.3

V

75

µA

13.8

18.0

V

1.4

V

0.4

V

V SHDN = 2V, SHDN is internally pulled

down to GND

1

µA

Thermal-Shutdown Temperature

(Note 3)

+150

°C

Thermal-Shutdown Hysteresis

POWER-OK (POK)

20

°C

OUT_SET Threshold

VTH

OUT_SET rising

(OUT_SET)

1.205 1.23 1.258

V

2 _______________________________________________________________________________________

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