鈥?/div>
3.3 V, 5.0 V, 12 V, 15 V, and Adjustable Output Versions
Adjustable Version Output Voltage Range, 1.23 to 37 V
鹵4%
Maximum
Over Line and Load Conditions
Guaranteed 3.0 A Output Current
Wide Input Voltage Range
Requires Only 4 External Components
52 kHz Fixed Frequency Internal Oscillator
TTL Shutdown Capability, Low Power Standby Mode
High Efficiency
Uses Readily Available Standard Inductors
Thermal Shutdown and Current Limit Protection
Heatsink surface (shown as terminal 6 in case outline
drawing) is connected to Pin 3.
D2T SUFFIX
PLASTIC PACKAGE
CASE 936A
(D2PAK)
1
5
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
LM2576鈥?.3
LM2576鈥?
LM2576鈥?2
LM2576鈥?5
LM2576鈥揂DJ
3.3 V
5.0 V
12 V
15 V
1.23 V to 37 V
Applications
Simple High鈥揈fficiency Step鈥揇own (Buck) Regulator
Efficient Pre鈥揜egulator for Linear Regulators
On鈥揅ard Switching Regulators
Positive to Negative Converter (Buck鈥揃oost)
Negative Step鈥揢p Converters
Power Supply for Battery Chargers
ORDERING INFORMATION
Device
LM2576T鈥揦X
LM2576TV鈥揦X
Operating
Temperature Range
Package
Straight Lead
TJ = 鈥?0擄 to +125擄C Vertical Mount
Surface Mount
LM2576D2T鈥揦X
XX = Voltage Option, i.e. 3.3, 5, 12, 15 V; and ADJ for
Adjustable Output.
This document contains information on a new product. Specifications and information herein
are subject to change without notice.
漏
Motorola, Inc. 1997
Rev 0
MOTOROLA ANALOG IC DEVICE DATA
1