Datasheet

LTC3204-3.3/LTC3204-5/
LTC3204B-3.3/LTC3204B-5
12
3204fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2004
LT/LT 0605 • PRINTED IN USA
RELATED PARTS
2
5 4
LTC3204-5
2.2µF
2.2µF2.2µF
6
3
1, 7
32005 TA05
V
OUT
5V ±4%
C
–
C
+
V
IN
V
OUT
GND
SHDN
Regulated 3.3V Output
Lithium-Ion Battery to 5V White or Blue LED Driver
USB Port to Regulated 5V Power Supply
PART NUMBER DESCRIPTION COMMENTS
LTC1751-3.3/ 100mA, 800kHz Regulated Doubler V
IN
: 2V to 5V, V
OUT(MAX)
= 3.3V/5V, I
Q
= 20µA,
LTC1751-5 I
SD
<2µA, MS8 Package
LTC1983-3/ 100mA, 900kHz Regulated Inverter V
IN
: 3.3V to 5.5V, V
OUT(MAX)
= –3V/–5V, I
Q
= 25µA,
LTC1983-5 I
SD
<1µA, ThinSOT Package
LTC3200-5 100mA, 2MHz Low Noise, Doubler/ V
IN
: 2.7V to 4.5V, V
OUT(MAX)
= 5V, I
Q
= 3.5mA,
White LED Driver I
SD
<1µA, ThinSOT Package
LTC3202 125mA, 1.5MHz Low Noise, Fractional V
IN
: 2.7V to 4.5V, V
OUT(MAX)
= 5.5V, I
Q
= 2.5mA,
White LED Driver I
SD
<1µA, DFN, MS Packages
TYPICAL APPLICATIO S
U
3V TO 4.4V
Li-Ion
BATTERY
C
–
C
+
V
IN
5 4
V
OUT
LTC3204-5/
LTC3204B-5
GNDSHDN
3
1, 7
2
2.2µF
6
2.2µF 2.2µF
3200-5 TA03
DRIVE UP TO 5 LEDS
ON
OFF
V
SHDN
(APPLY PWM WAVEFORM FOR
ADJUSTABLE BRIGHTNESS CONTROL)
t
100Ω 100Ω 100Ω 100Ω 100Ω
OFF ON
V
IN
GND
SHDN
V
OUT
V
OUT
3.3V
C
–
C
+
LTC3204-3.3/
LTC3204B-3.3
2.2µF 2.2µF
2.2µF
V
IN
1.8V TO 4.5V
3204 TA02
1, 7
2
3
4
5
6