LM2587SX-ADJ/NOPB National Semiconductor, LM2587SX-ADJ/NOPB Datasheet - Page 19

• Manufacturer Part Number: LM2587SX-ADJ/NOPB
• Description: IC MULTI CONFIG ADJ 5A TO-263-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Up (Boost), Flyback, Forward Converterr

Specifications of LM2587SX-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 5A
• Frequency - Switching: 100kHz
• Voltage - Input: 4 ~ 40 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 Up
• Pin Count: 5 +Tab
• Input Voltage: 40V
• Output Voltage: 1.23V
• Switching Freq: 115KHz
• Efficiency: 90%
• Package Type: TO-263
• Output Type: Adjustable
• Switching Regulator: Yes
• Load Regulation: 100mV
• Line Regulation: 100mV
• Mounting: Surface Mount
• Input Voltage (min): 4V
• Operating Temperature Classification: Automotive
• For Use With: 551011367-061 - BOARD WEBENCH LM2577,LM2585/87LM2587EVAL - EVALUATION BOARD FOR LM2587
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant
• Other names: *LM2587SX-ADJ; *LM2587SX-ADJ/NOPB; LM2587SX-ADJ

Typical Performance Characteristics
A: Switch Voltage, 10 V/divB: Switch Current, 5 A/divC: Inductor Current, 5 A/divD: Output Ripple Voltage,
100 mV/div, AC-Coupled
Horizontal: 2 μs/div
Typical Boost Regulator
Applications
Figure 36
boost applications)—one fixed and three using the adjustable
version of the LM2587. Each drawing contains the part num-
and Figures 38, 39 and
Figure 40
FIGURE 35. V
show four typical
FIGURE 34. Switching Waveforms
OUT
Response to Load Current Step
19
ber(s) and manufacturer(s) for every component. For the fixed
12V output application, the part numbers and manufacturers'
names for the inductor are listed in a table in
applications with different output voltages, refer to the
Switchers Made Simple software.
1231620
1231621
Figure
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40. For