CPC7592

R04

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9

1.9 Protection Circuitry Electrical Specifications

Parameter

Conditions

Symbol

Minimum

Typical

Maximum

Unit

Protection Diode Bridge

Forward Voltage drop,

continuous current

(50/60 Hz)

Apply ± dc current limit of break

switches

-2.1

3.0

V

Forward Voltage drop,

surge current

Apply ± dynamic current limit of break

switches

-5-

Protection SCR (CPC7592xA and CPC7592xC)

Surge current

-

-

-

-

*

A

Trigger current:

SCR activates, +25

 C

-

60

(CPC7592xA)

70

(CPC7592xC)

-mA

SCR activates, +85

 C

35

(CPC7592xA)

40

(CPC7592xC)

Hold current: Current

through protection SCR

SCR remains active, +25

 C

-

100

(CPC7592xA)

135

(CPC7592xC)

-mA

SCR remains active, +85

 C

60

(CPC7592xA)

110

(CPC7592xC)

70

(CPC7592xA)

115

(CPC7592xC)

Gate trigger voltage

§

-

V

--

1.0

A

On-state voltage

0.5 A, t = 0.5

sV

-

-3

-V

2.0 A, t = 0.5

s-5

Temperature Shutdown Specifications

Shutdown activation

temperature

Not production tested - limits are

guaranteed by design and Quality

Control sampling audits.

110

125

150

C

Shutdown circuit

hysteresis

10

-

25

C

*Passes GR1089 and ITU-T K.20 with appropriate secondary protection in place.