LM2587EVAL National Semiconductor, LM2587EVAL Datasheet - Page 11

• Manufacturer Part Number: LM2587EVAL
• Description: EVALUATION BOARD FOR LM2587
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r

Specifications of LM2587EVAL

• Main Purpose: DC/DC, Step Up
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 12V
• Current - Output: 1A
• Voltage - Input: 4 ~ 40V
• Regulator Topology: Boost
• Frequency - Switching: 100kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM2587
• For Use With: 551011367-061 - BOARD WEBENCH LM2577,LM2585/87
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Other names: *LM2587EVAL

Typical Performance Characteristics
A: Switch Voltage, 10 V/divB: Switch Current, 5 A/divC: Output Rectifier Current, 5 A/divD: Output Ripple Voltage, 100 mV/div
AC-Coupled
Horizontal: 2 μs/div
Typical Flyback Regulator
Applications
Figures 7, 8, 9, 11, 12 show six typical flyback applications,
varying from single output to triple output. Each drawing con-
tains the part number(s) and manufacturer(s) for every com-
FIGURE 6. V
FIGURE 5. Switching Waveforms
OUT
Load Current Step Response
11
ponent except the transformer. For the transformer part
numbers and manufacturers names, see the table in
13. For applications with different output voltages—requiring
the LM2587-ADJ—or different output configurations that do
not match the standard configurations, refer to the Switchers
Made Simple software.
1231611
1231612
www.national.com
Figure