TDE1897RDP 查看數據表（PDF） - STMicroelectronics
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TDE1897RDP Datasheet PDF : 12 Pages
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TDE1897R - TDE1898R
SOURCE DRAIN NDMOS DIODE
Symbol
Parameter
Vfsd 2-3 Forward On Voltage
Ifp 2-3 Forward Peak Current
trr 2-3
Reverse Recovery Time
tfr 2-3
Forward Recovery Time
THERMAL CHARACTERISTICS (*)
Test Condition
@ Ifsd = 625mA
t = 10ms; d = 20%
If = 625mA di/dt = 25A/µs
Θ Lim Junction Temp. Protect.
TH
Thermal Hysteresis
SWITCHING CHARACTERISTICS (VS = 24V; RL = 48Ω) (*)
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); Minidip pin reference. (*) Not tested.
Figure 1
Min. Typ. Max. Unit
1
1.5
V
2
A
200
ns
50
ns
135 150
°C
30
°C
100
µs
20
µs
100
µs
DIAGNOSTIC TRUTH TABLE
Diagnostic Conditions
Normal Operation
Open Load Condition (Io < Iold)
Short to VS
Short Circuit to Ground (IO = ISC) (**)
Output DMOS Open
TDE1897R
TDE1898R
Overtemperature
Supply Undervoltage (VS < Vsth1 in the falling phase of the sup-
ply voltage; VS < Vsth2 in the rising phase of the supply voltage)
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 IPS, when the IPS is initially turned on. TDE1897
uses Diag2 to signal such condition, TDE1898 does not.
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