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W-6139 Datasheet, PDF (2/13 Pages) Copal Electronics – 22 V High Current Boost
W-6139
VIN
5V
C1
4.7 F
L
22 H
SW
VIN
D
C2
1F
35 V
VOUT
9 strings at
20 mA
OFF ON
W-6139
R2
SHDN FB
GND
(300 mV) 1 k
IOUT
180 mA
R1
1.62
L: Sumida CDRH6D28ï220
D: Central CMSH1ï40 (rated 40 V)
Figure 1. Typical Application Circuit
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameters
Ratings
Units
VIN, FB Voltage
ï0.3 to +7
V
SHDN Voltage
ï0.3 to +7
V
SW Voltage
ï0.3 to +40
V
Storage Temperature Range
ï65 to +160
C
Junction Temperature Range
ï40 to +150
C
Lead Temperature
300
C
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 (Typical application circuit with external components is shown above.)
Parameters
Range
Units
VIN
up to 5.5
V
SW pin voltage
0 to 22
V
Ambient Temperature Range (Note 2)
ï40 to +85
C
2. TSOT23ï5 package thermal resistance JA = 135$C/W when mounted on board over a ground plane.
2