Diodes AP5724 - Manual (Page 10)

AP5724
Document number: DS31843 Rev. 4 - 2
10 of 15
www.diodes.com
December 2013
© Diodes Incorporated
AP5724
Applications Information
(cont.)
ON OFF
D2
LED
R1
5ohm
D6
LED
D7
LED
D4
LED
VIN VOUT
U1
AP5724
1
2
3
6
4
5
SW
GND
FB
Vin
EN
OVP
C1
1uF
D1 B0540WS
D5
LED
L1 22uH
C2
1uF
D3
LED
Table 2. Suggested Inductors
Vendor
Inductors
(µH)
Current Rating
(A)
Type
Dimensions
(mm)
Series
Wurth Electronics 22 0.51A SMD 3.8X 3.8 X 1.6 744031220
GOTREND 22 0.56A SMD 3.8 X 3.8 X 1.05 GLP3810PH220N
TAIYO YUDRN 22 0.51A SMD 4.0 X 4.0 X 1.25 NR4012
Table 3. Suggested Capacitors for C
IN
and C
OUT
Vendor Capacitance Type Series
TAIYO YUDEN 1µF SMD TMK212 B7105MG-T
Table 4. Suggested Diodes
Vendor Rating Type Series
ZETEX 40V/0.5A SOD323 ZLLS400
DIODES 40V/0.5A SOD323 B0540WS
DIODES 40V/0.25A SOD523 SDM20U40
Table 5. Suggested Resistor
Vendor Type Series
YAGEO SMD FR-SK
Table 6. Suggested W-LED
Vendor Type Series
LITEON SMD LTW-C1911UC5