LTC3200-5_15 Datasheet, PDF (12/12 Pages) Linear Technology – Low Noise, Regulated Charge Pump DC/DC Converters

LTC3200/LTC3200-5
TYPICAL APPLICATIO S
White or Blue LED Driver with LED Current Control
1µF
3V TO 4.4V
Li-Ion
BATTERY
1
3
C⁺
2
V_IN
C^–
8
V_OUT
UP TO 6 LEDS
1µF
LTC3200
1µF
7
FB
5
SGND
82Ω
82Ω
82Ω
82Ω
6
4
ON OFF SHDN PGND
(APPLY PWM WAVEFORM FOR
ADJUSTABLE BRIGHTNESS CONTROL)
V_SHDN
t
82Ω
82Ω
32005 TA04
Lithium-Ion Battery to 5V White or Blue LED Driver
1µF
3V TO 4.4V
Li-Ion
BATTERY
4
6
5 ^C–
V_IN
C⁺ ₁
V_OUT
1µF
LTC3200-5
1µF
ON OFF
3
SHDN
2
GND
(APPLY PWM WAVEFORM FOR
ADJUSTABLE BRIGHTNESS CONTROL)
V_SHDN
t
100Ω
DRIVE UP TO 5 LEDS
100Ω
100Ω
100Ω
100Ω
3200-5 TA03
USB Port to Regulated 5V Power Supply
1µF
4
6
5
1
3 _LTC3200-5
V_OUT
1µF
1µF 5V ±4%
50mA
2
32005 TA05
RELATED PARTS
PART NUMBER
LTC1682/-3.3/-5
LTC1751/-3.3/-5
LTC1754-3.3/-5
LTC1928-5
DESCRIPTION
Doubler Charge Pumps with Low Noise LDO
Doubler Charge Pumps
Doubler Charge Pumps with Shutdown
Doubler Charge Pump with Low Noise LDO
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]^q FAX:[phone] ^q www.linear-tech.com
COMMENTS
MS8 and SO-8 Packages , I_OUT = 80mA, Output Noise = 60µV_RMS
V_OUT = 5V at 100mA; V_OUT = 3.3V at 80mA; ADJ; MSOP Packages
ThinSOT Package; I_Q = 13µA; I_OUT = 50mA
ThinSOT Output Noise = 60µV_RMS; V_OUT = 5V; V_IN = 2.7V to 4V
32005f LT/TP 0501 2K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2000