LM2596S-ADJ/NOPB National Semiconductor, LM2596S-ADJ/NOPB Datasheet - Page 16

• Manufacturer Part Number: LM2596S-ADJ/NOPB
• Description: IC REG SIMPLE SWITCHER TO-263-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2596S-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.2 ~ 37 V
• 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)
• Current, Input Bias: 10 nA
• Current, Output: 3 A
• Current, Supply: 5 mA
• Frequency, Oscillator: 150 kHz
• Package Type: TO-263
• Regulator Type: Buck, Switching
• Resistance, Thermal, Junction To Case: 2 °C/W
• Temperature, Operating, Range: -40 to +125 °C
• Voltage, Input: 4.5 to 40 V
• Voltage, Output: 1.2 to 37 V
• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Voltage: 37V
• 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: -
• Lead Free Status / Rohs Status: RoHS Compliant part
• Other names: *LM2596S-ADJ; *LM2596S-ADJ/NOPB; LM2596S-ADJ

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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