Datasheet

LTC3200/LTC3200-5
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear-tech.com
 LINEAR TECHNOLOGY CORPORATION 2000
32005f LT/TP 0501 2K • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1682/-3.3/-5 Doubler Charge Pumps with Low Noise LDO MS8 and SO-8 Packages , I
OUT
= 80mA, Output Noise = 60µV
RMS
LTC1751/-3.3/-5 Doubler Charge Pumps V
OUT
= 5V at 100mA; V
OUT
= 3.3V at 80mA; ADJ; MSOP Packages
LTC1754-3.3/-5 Doubler Charge Pumps with Shutdown ThinSOT Package; I
Q
= 13µA; I
OUT
= 50mA
LTC1928-5 Doubler Charge Pump with Low Noise LDO ThinSOT Output Noise = 60µV
RMS
; V
OUT
= 5V; V
IN
= 2.7V to 4V
3V TO 4.4V
Li-Ion
BATTERY
C
–
C
+
V
IN
46
V
OUT
LTC3200-5
GND
SHDN
1
2
5
1µF
3
100Ω
1µF
1µF
100Ω 100Ω
3200-5 TA03
100Ω 100Ω
DRIVE UP TO 5 LEDS
ON
OFF
V
SHDN
(APPLY PWM WAVEFORM FOR
ADJUSTABLE BRIGHTNESS CONTROL)
t
Lithium-Ion Battery to 5V White or Blue LED Driver
TYPICAL APPLICATIO S
U
White or Blue LED Driver with LED Current Control
1µF
LTC3200
C
+
C
–
V
OUT
FB
ON OFF
PGND
V
IN
SHDN
8
13
7
4
SGND
5
2
6
82Ω
32005 TA04
1µF
82Ω
UP TO 6 LEDS
82Ω 82Ω 82Ω 82Ω
3V TO 4.4V
Li-Ion
BATTERY
1µF
V
SHDN
(APPLY PWM WAVEFORM FOR
ADJUSTABLE BRIGHTNESS CONTROL)
t
USB Port to Regulated 5V Power Supply
5
46
LTC3200-5
1µF
3
1
2
32005 TA05
1µF 1µF
V
OUT
5V ±4%
50mA