TDE1890V View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TDE1890V Datasheet PDF : 12 Pages
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TDE1890 - TDE1891
SOURCE DRAIN NDMOS DIODE
Symbol
Parameter
Vfsd
Forward On Voltage
Ifp
Forward Peak Current
trr
Reverse Recovery Time
tfr
Forward Recovery Time
THERMAL CHARACTERISTICS
Test Condition
@ Ifsd = 2.5A
t = 10ms; d = 20%
If = 2.5A di/dt = 25A/µs
Ø Lim Junction Temp. Protect.
TH
Thermal Hysteresis
SWITCHING CHARACTERISTICS (VS = 24V; RL = 12Ω)
ton
Turn on Delay Time
toff
Turn off Delay Time
td
Input Switching to Diagnostic
Valid
Note Vil < 0.8V, Vih > 2V @ (V+In > V–In)
Figure 1
Min. Typ. Max. Unit
1
1.5
V
6
A
200
ns
100
ns
135 150
°C
30
°C
200
µs
40
µs
200
µs
TRUE
FALSE
HIGH
LOW
DIAGNOSTIC TRUTH TABLE
Diagnostic Conditions
Normal Operation
Open Load Condition (Io < Iold)
Short to VS
Short Circuit to Ground (IO = ISC) (**)
Output DMOS Open
Overtemperature
Supply Undervoltage (VS < Vsth2)
TDE1891
TDE1890
Input
L
H
L
H
L
H
H
H
L
H
L
H
L
H
Output
L
H
L
H
H
H
<H (*)
H
L
L
L
L
L
L
L
Diag1
H
H
H
L
L
L
H
H
H
H
L
H
H
L
L
Diag2
H
H
H
H
H
H
L
H
H
H
H
L
L
L
L
(*) According to the intervention of the current limiting block.
(**) A cold lamp filament, or a capacitive load may activate the current limiting circuit of the I PS, when the IPS is initially turned on. TDE1891
uses Diag2 to signal such condition, TDE1890 does not.
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