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TelCom Semiconductor - 7A / 5A / 4.6A / 3A/ FAST RESPONSE/ LOW DROPOUT POSITIVE LINEAR VOLTAGE REGULATORS

Numéro de référence TCL1585
Description 7A / 5A / 4.6A / 3A/ FAST RESPONSE/ LOW DROPOUT POSITIVE LINEAR VOLTAGE REGULATORS
Fabricant TelCom Semiconductor 
Logo TelCom Semiconductor 





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TCL1585 fiche technique
7A / 5A / 4.6A / 3A, FAST RESPONSE,
LOW DROPOUT POSITIVE LINEAR
VOLTAGE REGULATORS
PRELIMINARY INFORMATION
TTCCLL11558844
TTCCLL1155885
TTCCLL1155887
7A / 5A / 4.6A / 3A, FAST RESPONSE, LOW DROPOUT
POSITIVE LINEAR VOLTAGE REGULATORS
FEATURES
s Fixed and Adjustable Voltages ........ 1.5V and 3.3V
s Optimized for Low Voltage Applications
s Output Current Capability ..........7A / 5A / 4.6A / 3A
s Guaranteed Dropout Voltage up to Full Rated
Output
s Integrated Thermal and Short-Circuit Protection
s Compact 3-Pin Surface-Mount and Thru-Hole
Standard Power Packages
s VREF Accuracy ................................................. 2.0%
s Load Regulation ............................................. 0.05%
APPLICATIONS
s PentiumTM*, PentiumProTM* CPU Power Supplies
s PowerPCTM* CPU Power Supplies
s PentiumProTM* System GTL+ Bus Terminators
s Low-Voltage, High Speed Microprocessors
s Post-Regulator for Switch-Mode Power Supplies
GENERAL DESCRIPTION
PIN CONFIGURATIONS
TO-220-3
DDPAK-3
TCL1584CAB
TCL1585CAB
TCL1587CAB
123
123
TCL1584CEB
TCL1585CEB
TCL1587CEB
NOTE: For TO-220 ΘJA = 53°C/W. For DDPAK-3 ΘJA = 76°C/W. ΘJA for both packages
are specified without external heat sinks. See Applications Section for details.
The TCL1584/1585/1587 are low dropout, positive lin-
ear voltage regulators. They have a maximum current
output specification of 7A, 5A, 4.6A and 3A respectively.
All three devices are supplied in fixed and adjustable output
voltage versions.
Good transient load response combined with low drop-
out voltage makes these devices ideal for the latest low
voltage microprocessor power supplies. Additionally, short-
circuit, thermal and safe operating area (SOA) protection is
provided internally to ensure reliable operation.
The TCL1587, TCL1585 and TCL1584 are available in
a 3-pin TO-220 tabbed power package and in a 3-pin surface
mount DDPAK-3 package.
ORDERING INFORMATION
Part Number
Package
TCL1584-3.3CAB
TCL1584-3.3CEB
TCL1584-ADJCAB
TCL1584-ADJCEB
TO-220-3
DDPAK-3
TO-220-3
DDPAK-3
TCL1585-1.5CAB
TCL1585-1.5CEB
TCL1585-3.3CAB
TCL1585-3.3CEB
TCL1585-ADJCAB
TCL1585-ADJCEB
TO-220-3
DDPAK-3
TO-220-3
DDPAK-3
TO-220-3
DDPAK-3
TCL1587-1.5CAB
TCL1587-1.5CEB
TCL1587-3.3CAB
TCL1587-3.3CEB
TCL1587-ADJCAB
TCL1587-ADJCEB
TO-220-3
DDPAK-3
TO-220-3
DDPAK-3
TO-220-3
DDPAK-3
Temp. Range
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
0°C to + 70°C
TYPICAL OPERATING CIRCUIT
VIN = 5V
C1 = 10µF
Fixed Output Voltage Version
VIN VOUT
TCL158x-3.3
GND
VOUT = 3.3V
C2*
(Tantalum)
Adjustable Output Voltage Version
VIN = 5V
C1 = 10µF
VIN VOUT
TCL158x
ADJ
R1
VOUT =
(1+ R1/R2)VREF
C2*
(Tantalum)
*NOTE: C2 is required to ensure output stability. Minimum 22µF (TCL1584) or 10µF (TCL1585/7),
low ESR tantalum type. Larger values may be required for high output current transient
regulation. See Applications section.
*All Trademarks and Trade Names are the property of their respective owners.
TCL1584/1585/1587-04 6/6/97
1
TCL1584/1585/1587-04 6/6/97 TelCom Semiconductor reserves the right to make changes in the circuitry and specifications of its devices.
R2

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