Datasheet

LM2597, LM2597HV
SNVS119C –MARCH 1998–REVISED APRIL 2013 www.ti.com
Block Diagram
Typical Circuit and Layout Guidelines
Component Values shown are for V
IN
= 15V, V
OUT
= 5V, I
LOAD
= 500 mA.
C
IN
— 47 μF, 50V, Aluminum Electrolytic Nichicon “PL Series”
C
OUT
— 120 μF, 25V Aluminum Electrolytic, Nichicon “PL Series”
D1 — 1A, 30V Schottky Rectifier, 1N5818
L1 — 100 μH, L20
Typical Values
C
SS
— 0.1 μF
C
DELAY
— 0.1 μF
R
Pull Up
— 4.7k
*Use Bias Supply pin for 5V and 12V Versions
Figure 30. Fixed Output Voltage Versions
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