PMLL4148L115 datasheet(5/11 Pages) NXP

Part #	PMLL4148L115

Description	High-speed switching diodes Rev. 8 ??1 February 2011

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Manufacturer	NXP [NXP Semiconductors]

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5 / 11 page

PMLL4148L_PMLL4448

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Product data sheet

Rev. 8 — 1 February 2011

5 of 11

NXP Semiconductors

PMLL4148L; PMLL4448

High-speed switching diodes

8.

Test information

f=1MHz; Tj =25 °C

Fig 5.

Diode capacitance as a function of reverse voltage; typical values

010

20

1.2

1.0

0.6

0.4

0.8

mgd004

VR (V)

Cd

(pF)

(1) IR =1mA

Input signal: reverse pulse rise time tr = 0.6 ns; reverse voltage pulse duration tp = 100 ns; duty cycle δ≤ 0.05

Oscilloscope: rise time tr =0.35ns

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 cycle 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 Ω

IF

D.U.T.

Ri = 50 Ω

SAMPLING

OSCILLOSCOPE

mga881

tr

t

tp

10 %

90 %

I

input signal

RS = 50 Ω

I

Ri = 50 Ω

OSCILLOSCOPE

1 k

Ω

450

Ω

D.U.T.

mga882

VFR

t

output signal

V

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