NCP1422LEDGEVB ON Semiconductor, NCP1422LEDGEVB Datasheet - Page 3
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NCP1422LEDGEVB
Manufacturer Part Number
NCP1422LEDGEVB
Description
EVAL BOARD FOR NCP1422LED
Manufacturer
ON Semiconductor
Datasheets
1.NCP1422MNR2G.pdf
(14 pages)
2.NCP1421LEDEVB.pdf
(6 pages)
3.NCP1422LEDGEVB.pdf
(1 pages)
Specifications of NCP1422LEDGEVB
Design Resources
NCP1422LEDGEVB BOM NCP1422LEDGEVB Schematic NCP1422LEDEVB Gerber Files
Current - Output / Channel
800mA
Outputs And Type
1, Non-Isolated
Voltage - Output
500 ~ 700 mV
Voltage - Input
3.6V
Utilized Ic / Part
NCP1421
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
NCP1422LEDEVBOS
NCP1422LEDEVBOS
NCP1422LEDGEVBOS
NCP1422LEDEVBOS
NCP1422LEDGEVBOS
the NCP1422 drives one LED at 200 and 600 mA. An
Finally, Figure 5 shows a Focus/Flash application where
50 ms Pulse
ON
OFF
Q1
Figure 6. LED Current and V
D1
(CH2 = V
V
IN
R4a
R4b
C3
22 mF
= 3.6 V
Figure 5. 200/600 mA Focus/Flash Application
in
, ac−coupled @ 50 mV/div; CH4 = I
R2
R3
in
Enable
Signal
Ripple Voltage with 200/600 mA Focus/Flash Pulse
http://onsemi.com
AND8171/D
100k
R1
3
C1
220 nF
1
2
3
4
external MOSFET changes the R4 resistance to vary the
LED current. 50 ms pulses were used for this design.
FB
LBI/EN
LBO
REF
NCP1422
V
GND 6
BAT 5
OUT
LED
LX 7
U1
@ 200 mA/div)
8
L1
6.8 mH
22 mF
C2
V
IN