LM2576T-ADJ/NOPB National Semiconductor, LM2576T-ADJ/NOPB Datasheet - Page 12

IC REG SIMPLE SWITCHER TO-220-5

LM2576T-ADJ/NOPB

Manufacturer Part Number
LM2576T-ADJ/NOPB
Description
IC REG SIMPLE SWITCHER TO-220-5
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Datasheets

Specifications of LM2576T-ADJ/NOPB

Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1.23 ~ 37 V
Current - Output
3A
Frequency - Switching
52kHz
Voltage - Input
4 ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-220-5 (Straight Leads)
Current, Input Bias
50 nA
Current, Output
3 A
Current, Supply
5 mA
Frequency, Oscillator
52 kHz
Package Type
TO-220
Regulator Type
Buck (Step-Down)
Resistance, Thermal, Junction To Case
2 °C/W
Temperature, Operating, Range
-40 to +125 °C
Voltage, Input
40 V
Voltage, Output
1.23 to 37 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
RoHS Compliant part Electrostatic Device
Other names
*LM2576T-ADJ
*LM2576T-ADJ/NOPB
LM2576T-ADJNS
www.national.com
LM2576 Series Buck Regulator
Design Procedure
INDUCTOR VALUE SELECTION GUIDES (For
Continuous Mode Operation)
FIGURE 3. LM2576(HV)-3.3
FIGURE 4. LM2576(HV)-5.0
(Continued)
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01147609
12
FIGURE 5. LM2576(HV)-12
FIGURE 6. LM2576(HV)-15
01147612
01147611

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