L5200L-45-SM1-T 查看數據表（PDF） - Unisonic Technologies
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L5200L-45-SM1-T Datasheet PDF : 7 Pages
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L5200
TYPICAL APPLICATION CIRCUIT
Regulated 5V Output from a 2.7V ~ VOUT Input
1μF
4
6
_
C
C+
VIN
2 .7 V ~ VOUT
1μF
OFF ON
5
1
VIN V OUT
2
GND
1 μF
3
SHDN
VOUT = 5 V +_ 2%
IOUT UP ~ 40 mA, VIN ≥ 2 .7V
IOUT UP ~ 100 mA , V IN ≥ 3 .1 V
UTC L5200-5.0V
CMOS IC
Output Ripple Voltage vs Load Current
40
V IN = 3V
CFLY = 1μF
Ta =25 ℃
30
COUT = 1μF
20
COUT = 2.2μF
10
0
0
25
50
75
100
OUTPUT CURRENT (mA )
White or Blue LED Driver with LED Current Control ( UTC L5200-ADJ)
1μF
3V~ 4.4V
Li - Ion
BATTERY
1μF
1
C+
2
VIN
6
ON OFF SHDN
3
C-
8
V OUT
FB 7
5
SGND
4
PGND
1μF
82Ω
UP TO 6 LEDS
82Ω 82Ω 82Ω 82Ω 82Ω
( APPLY PWM WAVEFORM FOR
ADJUSTABLE BRIGHTNESS CONTROL )
VSHDN
t
USB Port to Regulated 5V Power Supply ( UTC L5200-5.0V)
1μF
4
6
5
1
USB Port
1μF
3 UTC
L5200-5.0V
2
VOUT
1μF 5V±2%
50mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 7
QW-R502-029,D
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