LM2596S-3.3/NOPB National Semiconductor, LM2596S-3.3/NOPB Datasheet - Page 16
LM2596S-3.3/NOPB
Manufacturer Part Number
LM2596S-3.3/NOPB
Description
IC REG SIMPLE SWITCHER TO-263-5
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Datasheet
1.LM2596S-ADJNOPB.pdf
(31 pages)
Specifications of LM2596S-3.3/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
3A
Frequency - Switching
150kHz
Voltage - Input
4.5 ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
D²Pak, TO-263 (5 leads + tab)
Primary Input Voltage
12V
No. Of Outputs
1
Output Voltage
3.3V
Output Current
3A
No. Of Pins
5
Operating Temperature Range
-40°C To +125°C
Msl
MSL 3 - 168 Hours
Filter Terminals
SMD
Rohs Compliant
Yes
For Use With
551011367-041 - BOARD WEBENCH BUILD IT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
*LM2596S-3.3
*LM2596S-3.3/NOPB
LM2596S-3.3
*LM2596S-3.3/NOPB
LM2596S-3.3
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
www.national.com
LM2596 Series Buck Regulator Design Procedure (Adjustable Output)
LM2596 Series Buck Regulator Design Procedure
INDUCTOR VALUE SELECTION GUIDES (For Continuous Mode Operation)
Voltage
Output
1 2
1 5
2 4
2 8
(V)
2
4
6
9
HFQ Series
Panasonic
FIGURE 4. LM2596-3.3
FIGURE 5. LM2596-5.0
820/35
560/35
470/25
330/25
330/25
220/35
220/35
100/50
(µF/V)
FIGURE 3. Output Capacitor and Feedforward Capacitor Selection Table
Through Hole Output Capacitor
Nichicon PL
820/35
470/35
470/25
330/25
330/25
220/35
150/35
100/50
Series
(µF/V)
01258325
01258324
Feedforward
Capacitor
680 pF
560 pF
390 pF
3.3 nF
1.5 nF
33 nF
10 nF
1 nF
16
AVX TPS
330/6.3
330/6.3
Series
220/10
100/16
100/16
(µF/V)
68/20
33/25
10/35
Surface Mount Output Capacitor
FIGURE 7. LM2596-ADJ
FIGURE 6. LM2596-12
595D Series
Sprague
390/6.3
330/10
180/16
180/16
120/20
(µF/V)
470/4
33/25
15/50
Feedforward
Capacitor
01258326
01258327
680 pF
220 pF
220 pF
3.3 nF
1.5 nF
33 nF
10 nF
1 nF