L5200-AD-SM1-R UTC [Unisonic Technologies], L5200-AD-SM1-R Datasheet - Page 5

• Manufacturer Part Number: L5200-AD-SM1-R
• Description: LOW NOISE, REGULATED CHARGE PUMP DC/DC CONVERTERS
• Manufacturer: UTC [Unisonic Technologies]

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