TDE1898RFP View Datasheet(PDF) -

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.

1

200

50

Max.

1.5

2

Unit

V

A

ns

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

supply 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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