MIC5204 Datasheet, PDF (1/4 Pages) Micrel Semiconductor – SCSI-II Active Terminator Preliminary Information

MIC5204
MIC5204
SCSI-II Active Terminator
Preliminary Information
Micrel
General Description
Features
The MIC5204 is an active terminator designed to comply with • ± 1% output voltage accuracy
SCSI-II specifications. The MIC5204 is enabled by a CMOS • Guaranteed 500mA output
or TTL compatible logic signal. When disabled, power • Low quiescent current
consumption drops nearly to zero and the output goes into a • Low dropout voltage
high impedance state. Key MIC5204 features include protec- • Extremely tight load and line regulation
tion against reversed battery, current limiting, and over- • Very low temperature coefficient
temperature shutdown.
• Current and thermal limiting
• Zero off-mode current
• Logic-controlled electronic shutdown
• Available in SO-8 and SOT-223 packages
2
Applications
• SCSI-II active terminator
• Desktop, laptop, notebook, and palmtop computers
• Intelligent instrumentation
• Printers
• Disk drives
• Voltage reference
Ordering Information
Part Number Junction Temp. Range Package
MIC5204BM
–40°C to +125°C
SO-8
MIC5204BS
–40°C to +125°C SOT-223
Typical Application
+5V
+
10µF
MIC5204
+
22µF
110Ω
110Ω
110Ω
SCSI Bus
18 to 27
Lines
110Ω
Pin Configuration
VOUT
VOUT
NC
GROUND
VIN
VIN
NC
ENABLE
MIC5204BM
Both V and both V pins must be tied
IN
OUT
together. ENABLE must be pulled high for
operation.
TAB IS GROUND
12 3
IN GND OUT
MIC5204-xxBS
February 1999
59
MIC5204