FAN53540 Fairchild Semiconductor, FAN53540 Datasheet - Page 2

• Manufacturer Part Number: FAN53540
• Description: The FAN53540 is a step-down switching voltage regulator that delivers an adjustable output from an input voltage supply of 2
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FAN53540 • Rev. 1.0.2
Recommended External Components
Table 1. Recommended External Components for 5A Maximum Load Current
Table 2. Recommended Inductors
Notes:
1.
2.
Inter-Technical
Component
Manufacturer
I
Inductor used for efficiency and temperature rise measurements.
MAXDC
Coilcraft
Bourns
Bourns
Vishay
C
C
C
TDK
L1
OUT
IN1
IN
is the lesser current to produce 40
(2)
10F, 6.3V, X5R, 0805, 2 Pieces
IHLP1616ABERR47M01
VLC5020T-R47M
XPL4020-471ML
10F, 6.3V, X5R, 0805
SRP5012-R47M
SRP4012-R47M
10nF, 25V, X7R, 0402
SC2511-R47M
470nH Nominal
Description
Part#
o
C temperature rise or 30% inductance roll-off.
L (nH)
470
470
470
470
470
470
GRM21BR60J106M (Murata)
C2012X5R0J106M (TDK)
DCR (mΩ) I
2
2.6
19
20
19
15
20
See Table 2
Vendor
Any
MAXDC
16.0
6.0
5.5
7.2
5.4
5.0
(1)
5.1
4.6
4.2
6.5
5.0
4.5
L
Parameter Typical
Component Dimensions
C
C
L
4.5
4.0
4.2
6.5
5.0
4.1
W
www.fairchildsemi.com
0.47
10
10
1.2
1.2
2.0
3.0
2.0
1.2
H
Unit
H
F
nF