LM2591HVS-3.3/NOPB National Semiconductor, LM2591HVS-3.3/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM2591HVS-3.3/NOPB
• Description: IC REG SIMPLE SWITCHER TO263-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2591HVS-3.3/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 1A
• Frequency - Switching: 150kHz
• Voltage - Input: 4.5 ~ 60 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (5 leads + tab)
• Dc To Dc Converter Type: Step Down
• Pin Count: 5 +Tab
• Input Voltage: 60V
• Output Voltage: 3.3V
• Switching Freq: 173KHz
• Output Current: 1A
• Efficiency: 77%
• Package Type: TO-263
• Output Type: Fixed
• Switching Regulator: Yes
• Mounting: Surface Mount
• Input Voltage (min): 4.5V
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant
• Other names: *LM2591HVS-3.3; *LM2591HVS-3.3/NOPB; LM2591HVS-3.3

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All Output Voltage Versions
Electrical Characteristics
Note 11: Junction to ambient thermal resistance (no external heat sink) for the package mounted TO-220 package mounted vertically, with the leads soldered to
a printed circuit board with (1 oz.) copper area of approximately 1 in
Note 12: Junction to ambient thermal resistance with the TO-263 package tab soldered to a single sided printed circuit board with 0.5 in
Note 13: Junction to ambient thermal resistance with the TO-263 package tab soldered to a single sided printed circuit board with 2.5 in
Note 14: Junction to ambient thermal resistance with the TO-263 package tab soldered to a double sided printed circuit board with 3 in
the LM2591HVS side of the board, and approximately 16 in
model in Switchers Made Simple available at http://power.national.com.
Typical Performance Characteristics
Output Voltage
Normalized
Efficiency
(Continued)
2
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of copper on the other side of the p-c board. See application hints in this data sheet and the thermal
2
.
4
(Circuit of Figure 1)
Switch Saturation
Line Regulation
Voltage
2
of (1 oz.) copper area on
2
2
of (1 oz.) copper area.
of (1 oz.) copper area.
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