LM2591 National Semiconductor, LM2591 Datasheet - Page 7

• Manufacturer Part Number: LM2591
• Description: SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
• Manufacturer: National Semiconductor

Typical Performance Characteristics
A: Output Voltage, 100 mV/div. (AC)
B: 250 mA to 1A Load Pulse
Connection Diagrams and Order Information
Bent and Staggered Leads, Through Hole Package
Load Transient Response for Continuous Mode
Order Number LM2591HVT-3.3, LM2591HVT-5.0,
L = 52 µH, C
V
IN
= 20V, V
Horizontal Time Base: 50 µs/div.
See NS Package Number T05D
OUT
OUT
or LM2591HVT-ADJ
5-Lead TO-220 (T)
= 100 µF, C
= 5V, I
LOAD
OUT
= 250 mA to 1A
ESR = 100 mΩ
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(Circuit of Figure 1) (Continued)
7
A: Output Voltage, 100 mV/div. (AC)
B: 250 mA to 1A Load Pulse
Load Transient Response for Discontinuous Mode
Order Number LM2591HVS-3.3, LM2591HVS-5.0,
L = 15 µH, C
V
IN
= 20V, V
Horizontal Time Base: 200 µs/div.
See NS Package Number TS5B
Surface Mount Package
OUT
or LM2591HVS-ADJ
OUT
5-Lead TO-263 (S)
= 150 µF, C
= 5V, I
LOAD
OUT
= 250 mA to 1A
ESR = 90 mΩ
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