LM2591HV datasheet(7/20 Pages) NSC

Part #	LM2591HV

Description	SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator

PDF	20 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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7 / 20 page

Typical Performance Characteristics (Circuit of Figure 1) (Continued)

Load Transient Response for Continuous Mode

IN = 20V, VOUT = 5V, ILOAD = 250 mA to 1A

L = 52 µH, C

OUT = 100 µF, COUT ESR = 100 m

Ω

Load Transient Response for Discontinuous Mode

IN = 20V, VOUT = 5V, ILOAD = 250 mA to 1A

L = 15 µH, C

OUT = 150 µF, COUT ESR=90 m

Ω

10129321

A: Output Voltage, 100 mV/div. (AC)

B: 250 mA to 1A Load Pulse

Horizontal Time Base: 50 µs/div.

10129322

A: Output Voltage, 100 mV/div. (AC)

B: 250 mA to 1A Load Pulse

Horizontal Time Base: 200 µs/div.

Connection Diagrams and Order Information

Bent and Staggered Leads, Through Hole Package

5-Lead TO-220 (T)

Surface Mount Package

5-Lead TO-263 (S)

10129381

Order Number LM2591HVT-3.3, LM2591HVT-5.0,

or LM2591HVT-ADJ

See NS Package Number T05D

10129382

Order Number LM2591HVS-3.3, LM2591HVS-5.0,

or LM2591HVS-ADJ

See NS Package Number TS5B

LM2591HV Datasheet(PDF) 7 Page - National Semiconductor (TI)