Rainbow-electronics DS4560 Bedienungsanleitung PDF herunterladen (Seite 3)

DS4560

12V Hot-Plug Switch

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Note 1: All voltages are referenced to ground. Currents entering the IC are specified positive and currents exiting the IC are negative.

Note 2: This supply range guarantees that the LOAD voltage is not clamped by the overvoltage limit.

Note 3: Supply current specified with no load on the LOAD pin.

Note 4: V

LOFF

voltage specified with a 2.5mA load applied to LOAD.

Note 5: Not production tested. Guaranteed by design.

Note 6: I

SCL

is the current limit when the output voltage is initially ramping up.

Note 7: I

OVL

is the current limit after the output voltage ramping is complete.

ELECTRICAL CHARACTERISTICS (continued)

= +12V, T

= +25°C, unless otherwise noted.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Short-Circuit Limit I

SCL

ILIM

= 56 (Note 6) 2.0 2.5 3.0 A

Overload Limit I

OVL

ILIM

= 56 (Note 7) 3.5 4.4 5.9 A

LOAD Voltage Slew Rate SR

LOAD

VRAMP

= 1μF 0.13 0.15 0.18 V/ms

VRAMP Charging Current I

VRAMP

70 80 92 μA

CURRENT LIMIT vs. R

ILIM

DS4560 toc01

ILIM

(Ω)

CURRENT LIMIT (A)

100

0.1

100010

OVL

SCL

CURRENT LIMIT vs. TEMPERATURE

DS4560 toc02

TEMPERATURE (°C)

CURRENT LIMIT (A)

12010080604020-20 0

-40 140

OVL

SCL

OVERVOLTAGE CLAMP vs. TEMPERATURE

DS4560 toc03

TEMPERATURE (°C)

OVERVOLTAGE CLAMP (V)

12010080604020-20 0

15.2

15.4

15.6

15.8

16.0

16.2

16.4

15.0

-40 140

NO LOAD

10Ω LOAD

ON-RESISTANCE vs. TEMPERATURE

DS4560 toc04

TEMPERATURE (°C)

(mΩ)

120100806040200-20

-40 140

SUPPLY CURRENT vs. TEMPERATURE

DS4560 toc05

TEMPERATURE (°C)

(mA)

120100-20 0 20 6040 80

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

-40 140

TYPICAL DS4560 TURN-ON WAVEFORMS

= 18V, 10

RESISTIVE LOAD

DS4560 toc06

5V/div

TIMER

LOAD

VRAMP

2ms/div

Typical Operating Characteristics

= 12V, T

= +25°C, R

ILIM

= 56Ω, V

= 12V, C

TIMER

= 0.1µF, C

VRAMP

= 0.1µF, unless otherwise noted.)

1 2 3 4 5 6 7 8

12V Hot-Plug Switch 1

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