LM2577T-12 National Semiconductor, LM2577T-12 Datasheet - Page 14
LM2577T-12
Manufacturer Part Number
LM2577T-12
Description
IC, STEP-UP VOLTAGE REGULATOR, TO-220-5
Manufacturer
National Semiconductor
Datasheet
1.LM2577N-ADJ.pdf
(31 pages)
Specifications of LM2577T-12
Primary Input Voltage
5V
No. Of Outputs
1
Output Voltage
12V
Output Current
3A
No. Of Pins
5
Operating Temperature Range
-40°C To +125°C
Supply Voltage Range
3.5V To 40V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LM1577-ADJ, LM2577-ADJ Test Circuit
01146809
L = 415-0930 (AIE)
D = any manufacturer
C
= Sprague Type 673D
OUT
Electrolytic 680 µF, 20V
R1 = 48.7k in series with 511Ω (1%)
R2 = 5.62k (1%)
Note: Pin numbers shown are for TO-220 (T) package
FIGURE 3. Circuit Used to Specify System Parameters for ADJ Versions
Application Hints
01146810
Note: Pin numbers shown are for TO-220 (T) package
*Resistors are internal to LM1577/LM2577 for 12V and 15V versions.
FIGURE 4. LM1577/LM2577 Block Diagram and Boost Regulator Application
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