SPD-7D28 Sensitron, SPD-7D28 Datasheet - Page 2

• Manufacturer Part Number: SPD-7D28
• Description: Solid State Power Controller Module
• Manufacturer: Sensitron

SENSITRON
Technical Data
Datasheet: SPD7D28, Rev. A
Electrical Characteristics
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OTP (Over Temperature Protection) threshold
SEMICONDUCTOR
Input
Input Voltage
Control Vcc
Control Current (from +5V)
Power Dissipation
Status and ON/OFF
Output
Current Input/Output Terminals (IN/OUT)
Max Voltage Drop (Input to Output)
Turn ON time (measured from Input Signal)
I
Trip time
150% (min) of I
200% of I
400% of I
1000% of I
1500% of I
above 1500% I
Reset Time from Fault
Repetitiv e Fault current Rating
Output Rise Time (turn ON)
Output Fall Time under normal turn-off
Output Fall Time under Fault
Min Load Requirement
Protection
Short Circuit Protection (All Models)
Voltage Spikes
OTP response time
Control and Status
ON/OFF Input
Status Output
Isolation
LED status (option)
2
t (Default value: 7A version)
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MIL-STD -704E
28V DC nominal
4.75V~5.25V, 5.0V Nominal
25 mA max
< 1.5W @ 7A up to 70 C Ambient temperature
TTL
7A Continuous
140A for 300 sec minimum
120 mV typ @ Full Load, T
200 mV max T
1 msec max
40 A
320 msec ~ 400msec
180 msec ~ 220msec
40 msec ~ 60 msec
6.4 msec ~ 10 msec
2.9 msec ~ 4.3 msec
300 sec typ; 700 sec max
100 msec min
1000%
5 sec typ
50 sec typ
300 nsec typ
Nil
Up to 140A
Built-in Transient Voltage Suppressor to handle
short-circuit turn-off spike
typ. 80
typ. 1 sec
+5V or Open => Main Switch OFF
TTL Low (Sink 1 mA) => Main Switch ON
High (+5V max, can source 0.5mA) => Switch OFF
Low (0.4V max, can sink 2mA) => Switch ON
Between pin 1-6 and pin 7-10: 500V DC
ON when main switch is ON; OFF when main
switch is OFF; Blinking when main switch trips
2
s for 130% < I < 1500%
o
C, min. 75
A
= -40
o
C, max 85
o
C ~ 85
A
= 25
o
o
C
C
SPD-7D28
o
C