LM2596S-ADJ/NOPB National Semiconductor, LM2596S-ADJ/NOPB Datasheet - Page 9

• 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

Test Circuits
C
μF CeramicR
C
CeramicR
IN1
IN1
—100 μF, 25V Aluminum ElectrolyticC
—100 μF, 25V Aluminum ElectrolyticC
C
—2kFor 12V Devices: R
C
—2k
1
= Short (0Ω) and R
IN2
IN2
—0.1 μF CeramicT—22 μH, 1:1 Schott #67141450D—1N5820C
—0.1 μF CeramicL—15 μH, Renco #RL-5472-5D—1N5820C
FIGURE 3. LM2587-12 and LM2587-ADJ
FIGURE 2. LM2587-3.3 and LM2587-5.0
2
= OpenFor ADJ Devices: R
9
1
= 48.75k, ±0.1% and R2 = 5.62k, ±1%
OUT
OUT
—680 μF, 16V Aluminum ElectrolyticC
—680 μF, 16V Aluminum ElectrolyticC
1231608
1231609
www.national.com
C
—0.47 μF
C
—0.47