Datasheet

LM2592HV
www.ti.com SNVS075C –MAY 2001–REVISED APRIL 2013
Select R
1
to be approximately 1 kΩ, use a 1% resistor for best stability.
Component Values shown are for V
IN
= 20V,
V
OUT
= 10V, I
LOAD
= 2A.
C
IN
: — 470 μF, 35V, Aluminum Electrolytic Nichicon “PM Series”
C
OUT
: — 220 μF, 35V Aluminum Electrolytic, Nichicon “PM Series”
D1 — 3.3A, 60V Schottky Rectifier, 31DQ06 (International Rectifier)
L1 — 47 μH, See INDUCTOR VALUE SELECTION GUIDES
R
1
— 1 kΩ, 1%
R
2
— 7.15k, 1%
C
FF
— 3.3 nF
Typical Values
C
SS
— 0.1 μF
C
DELAY
— 0.1 μF
R
PULL UP
— 4.7k (use 22k if V
OUT
is ≥ 45V)
† Small signal Schottky diode to prevent damage to feedback pin by negative spike when output is shorted (C
FF
not
being able to discharge immediately will drag feedback pin below ground). Required if V
IN
> 40V
Figure 23. Adjustable Output Voltage Versions
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