MAX15096 datasheet(13/15 Pages) MAXIM

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Thermal Protection

The devices enter a thermal shutdown mode in the event

of overheating caused by excessive power dissipation or

high ambient temperature. When the junction temperature

exceeds TJ = +150°C (typ), the internal thermal protec-

tion circuitry turns off the internal power MOSFET. The

devices recover from thermal shutdown mode once the

junction temperature drops by 20ºC (typ).

IN-to-OUT Short-Circuit Protection

At startup, after all the input conditions are satisfied (UV,

OV, VUVLO), the devices immediately check for IN-to-

OUT short-circuit faults. If VOUT is greater than 90% of

VIN, the internal MOSFET cannot be turned on, then the

MAX15096A autoretries in tRESTART (3.4s typ), while the

MAX15096 latches off.

If VOUT is in the range from 50% to 90% of VIN, then the

internal MOSFET still cannot be turned on after tSU time

elapses. The MAX15096A autoretries in tRESTART, while

the MAX15096 latches off.

Applications Information

Setting the Undervoltage/

Overvoltage Threshold

See Table 4 for options.

Table 3. Additional Delay Settings

Table 4. Setting the Undervoltage/Overvoltage Thresholds

OPTION

RTIMER (kΩ)

RESPONSE TIME (μs)

Open

86.6

43.2

21.5

0.5

0.25

0.050

OPTION

R1 TABLE (kΩ)

R2 = 10kΩ

OVP

UVP

133

17.6

7.9

127

16.9

7.5

118

15.7

7.0

115

15.4

6.9

113

15.1

6.8

107

14.4

6.4

102

13.8

6.2

49.9

7.4

3.3

46.4

6.9

3.1

43.2

6.5

2.9

39.2

6.1

2.7

33.2

5.3

2.4

MAX15096/MAX15096A/

MAX15096D

2.7V to 18V, 6A Integrated Hot-Swap/

Electronic Circuit Breaker

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