Nombre de pieza
         Descripción
PMLL4148L

 High-speed switching diodes ( 11 Page)


PHILIPS
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9397 750 14606
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 06 — 4 April 2005
6 of 11
Philips Semiconductors
PMLL4148L; PMLL4448
High-speed switching diodes
8.
Test information
Input signal: Reverse pulse rise time tr = 0.6 ns; reverse voltage pulse duration tp = 100 ns; duty factor δ≤ 0.05
Oscilloscope: Rise time tr = 0.35 ns
(1) IR = 1 mA
Fig 6.
Reverse recovery time test circuit and waveforms
Input signal: Forward pulse rise time tr = 20 ns; forward current pulse duration tp ≥ 100 ns; duty factor δ≤ 0.005
Fig 7.
Forward recovery voltage test circuit and waveforms
trr
(1)
+ IF
t
output signal
tr
tp
t
10 %
90 %
VR
input signal
V = VR + IF × RS
RS = 50
IF
D.U.T.
Ri = 50
SAMPLING
OSCILLOSCOPE
mga881
tr
t
tp
10 %
90 %
I
input signal
RS = 50 Ω
I
Ri = 50 Ω
OSCILLOSCOPE
1 k
450
D.U.T.
mga882
VFR
t
output signal
V
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