LM2595T-ADJ/NOPB National Semiconductor, LM2595T-ADJ/NOPB Datasheet - Page 26

• Manufacturer Part Number: LM2595T-ADJ/NOPB
• Description: IC REG SIMPLE SWITCHER TO-220-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2595T-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.2 ~ 37 V
• Current - Output: 1A
• Frequency - Switching: 150kHz
• Voltage - Input: 4.5 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Bent and Staggered Leads)
• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Voltage: 37V
• Output Current: 1A
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +125°C
• Filter Terminals: Through Hole
• Rohs Compliant: Yes
• For Use With: 551011367-031 - BOARD WEBENCH BUILD IT LM2595
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2595T-ADJ; *LM2595T-ADJ/NOPB; LM2595T-ADJ

www.national.com
Application Information
C
C
D1 - 3A, 40V Schottky Rectifier, 1N5822
L1 - 68 µH, L30, Schott, Through hole
C
C
D1 - 3A, 40V Schottky Rectifier, 1N5822
L1 - 68 µH, L30, Schott, Through hole
R1 - 1 k , 1%
R2 - Use formula in Design Procedure
C
IN
OUT
IN
OUT
FF
- 150 µF, 50V, Aluminium Electrolytic Nichicon, “PL series”
- 150 µF, 50V, Aluminium Electrolytic Nichicon, “PL series”
- See Figure 3
- 120 µF, 25V Aluminium Electrolytic Nichicon, “PL series”
- 120 µF, 25V Aluminium Electrolytic Nichicon, “PL series”
TYPICAL THROUGH HOLE PC BOARD LAYOUT, ADJUSTABLE OUTPUT (1X SIZE)
TYPICAL THROUGH HOLE PC BOARD LAYOUT, FIXED OUTPUT (1X SIZE)
(Continued)
FIGURE 29. PC Board Layout
26
DS012565-44
DS012565-45