CAT4134
VIN
L
D
VOUT
3 V to 4.2 V
C1
22 m H
C2
VIN
EN
10 m F
OFF ON
SW
CAT4134
FLASH LED1
RFLASH
LED2
10 m F
R1
1 M W
RFLASH
18 k W
RSET
20 k W
RSET
AGND
OVP
PGND
L = Sumida CDRH3D16 ? 220
D = Central CMDSH05 ? 4 (500 mA)
C2 = 10 m F (rated 16 V)
R2
100 k W
Figure 1. Typical Application Circuit
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameters
SW voltage
VIN voltage
EN, FLASH, RSET, RFLASH voltage
LED1, LED2 voltage
Output Current per Channel
Storage Temperature Range
Junction Temperature Range
Lead Temperature
ESD Rating ? Human Body Model (HBM)
Ratings
20
8
VIN + 0.6 V
8
300
? 65 to +160
? 40 to +125
300
2,000
Units
V
V
V
V
mA
_ C
_ C
_ C
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Table 2. RECOMMENDED OPERATING CONDITIONS
Parameters
VIN
Ambient Temperature Range
Flash mode current per channel
Movie mode current per channel
http://onsemi.com
2
Range
2.8 to 4.2
? 40 to +85
25 to 250
5 to 50
Units
V
_ C
mA
mA
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