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8920

Allegro MicroSystems
Part Number 8920
Manufacturer Allegro MicroSystems
Description DUAL SCHOTTKY DIODE
Published Mar 22, 2005
Detailed Description 8920 DUAL SCHOTTKY DIODE Schottky barrier diodes combine high rectification efficiency with high switching speeds and lo...
Datasheet PDF File 8920 PDF File

8920
8920

Overview
8920 DUAL SCHOTTKY DIODE Schottky barrier diodes combine high rectification efficiency with high switching speeds and low series resistance.
The A8920SLR dualdiode is designed specifically for hard-disk drive applications requiring low voltage drop rectification of the spindle motor back-EMF during power-down head retraction.
It is supplied in a 3-lead small-outline transistor package (SOT-23/TO-236AB) for surface-mounting for use over the operating temperature range of -20°C to +85°C.
Data Sheet 29801.
10 1 3 2 FEATURES s Low Forward Voltage Drop 440 mV Typical at 150 mA s 500 mA Forward Current s 20 V Reverse Voltage Dwg.
PD-002 TYPICAL APPLICATION VDD Dwg.
ED-002A ABSOLUTE MAXIMUM RATINGS at TA =+25°C Forward Current, IF .
500 mA Reverse Voltage, V R 20 V Operating Temperature Range, TA .
.
.
.
-20 °C to +85°C Storage Temperature Range, TS .
.
-65°C to +150°C Always order by complete part number: A8920SLR .
8920 DUAL SCHOTTKY DIODE ELECTRICAL CHARACTERISTICS at TA= +25°C (unless otherwise specified).
Limits Characteristic Reverse Breakdown Voltage Reverse Leakage Current Forward Voltage Symbol V(BR) IR VF Test Conditions IR = 100 µA VR = 10 V IF = 50 mA IF = 150 mA Junction Capacitance Reverse Recovery Time CT trr VR = 0 V, f = 1 MHz IF = IR = 100 mA Min.
20 — — — — — Typ.
— 1.
6 346 440 370 32 Max.
— 20 400 500 — — Units V µA mV mV pF ns TYPICAL CHARACTERISTICS 600 500 ALLOWABLE PACKAGE POWER DISSIPATION IN mW 250 FORWARD VOLTAGE IN mV 200 R = 575°C/W 400 θJA 150 300 TA = 0°C 200 TA = +75°C 100 0.
1 1.
0 10 100 1k TA = +25°C 100 50 FORWARD CURRENT IN mA Dwg.
GD-003 100 T A = +75°C 30 0 25 50 75 100 125 AMBIENT TEMPERATURE IN °C 150 REVERSE CURRENT IN µA Dwg.
GD-002 10 3.
0 T A = +25°C 1.
0 Allegro MicroSystems, Inc.
reserves the right to make, from time to time, such departures from the detail specifications as may be required ...


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