Variable Capacitance Diode for VCO
HVC372B
Variable Capacitance Diode for VCO
ADE-208-497(Z) Rev 0 February 1997 Features
• High capacitance ratio. (n =2....
Description
HVC372B
Variable Capacitance Diode for VCO
ADE-208-497(Z) Rev 0 February 1997 Features
High capacitance ratio. (n =2.00 min) Good linearity of C-V curve. Ultra small Flat Package (UFP) is suitable for surface mount design.
Ordering Information
Type No. HVC372B Laser Mark B5 Package Code UFP
Outline
Cathode mark Mark 1
B5
2 1. Cathode 2. Anode
HVC372B
Absolute Maximum Ratings (Ta = 25°C)
Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 15 125 -55 to +125 Unit V °C °C
Electrical Characteristics (Ta = 25°C)
Item Reverse current Symbol I R1 I R2 Capacitance C1 C4 Capacitance ratio Series resistance n rs Min — — 15.0 7.00 2.00 — Typ — — — — — — Max 10 100 17.0 8.50 — 0.4 — Ω pF Unit nA Test Condition VR = 15V VR = 15V, Ta = 60 °C VR = 1V, f = 1 MHz VR = 4V, f = 1 MHz C1/ C4 VR = 1V, f = 470 MHz
2
HVC372B
Main Characteristic
-9
10
30 f=1MHz 25
Reverse current I R (A)
-10
(pF) Capacitance C 16 4 8 12 Reverse voltage V R (V) 20 0
10
20
-11
10
15
10
10
-12
5
-13
10
0 10-1
1.0 Reverse voltage V R (V)
10
Fig.1 Reverse current Vs. Reverse voltage
Fig.2 Capacitance Vs. Reverse voltage
0.6 f=470MHz 0.5 Series resistance r s (Ω) LF =∆(LogC)/∆(LogVR )
0
0.4
-0.5
0.3
0.2
-1.0
0.1 0 10-1 -1.5 10-1
1.0 Reverse voltage V R (V)
10
1.0 Reverse voltage V R (V)
10
Fig.3 Series resistance Vs. Reverse voltage
Fig.4 Linearity factor Vs. Reverse voltage
3
HVC372B
Package Dimensions
Unit : mm
Cathode Mark 1
B5
1.2 ...
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