LTC3203/LTC3203-1
LTC3203B/LTC3203B-1
16
32031fa
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2006
LT/LWI 1006 REV A • PRINTED IN USA
PART NUMBER DESCRIPTION COMMENTS
LT
®
1618 Constant Current, Constant Voltage, 1.4MHz High Up to 16 White LEDs, V
IN
: 1.6V to 18V, V
OUT(MAX)
= 34V,
Efficiency Boost Regulator I
Q
= 1.8mA, I
SD
≤ 1µA, 10-Lead MS Package
LTC1911-1.5 250mA (I
OUT
), 1.5MHz High Efficiency Step-Down 75% Efficiency, V
IN
: 2.7V to 5.5V, V
OUT(MIN)
= 1.5V/1.8V,
Charge Pump I
Q
= 180µA, I
SD
≤ 10µA, MS8 Package
LT1932 Constant Current, 1.2MHz High Efficiency White LED Up to 8 White LEDs, V
IN
: 1V to 10V, V
OUT(MAX)
= 34V, I
Q
= 1.2mA,
Boost Regulator I
SD
≤ 1µA, ThinSOT™ Package
LT1937 Constant Current, 1.2MHz High Efficiency White LED Up to 4 White LEDs, V
IN
: 2.5V to 10V, V
OUT(MAX)
= 34V,
Boost Regulator I
Q
= 1.9mA, I
SD
≤ 1µA, ThinSOT, SC70 Packages
LTC3200-5 Low Noise, 2MHz Regulated Charge Pump White Up to 6 White LEDs, V
IN
: 2.7V to 4.5V, V
OUT(MAX)
= 5V, I
Q
= 8mA,
LED Driver I
SD
≤ 1µA, ThinSOT Package
LTC3201 Low Noise, 1.7MHz Regulated Charge Pump White Up to 6 White LEDs, V
IN
: 2.7V to 4.5V, V
OUT(MAX)
= 5V,
LED Driver I
Q
= 6.5mA, I
SD
≤ 1µA, 10-Lead MS Package
LTC3202 Low Noise, 1.7MHz Regulated Charge Pump White Up to 8 White LEDs, V
IN
: 2.7V to 4.5V, V
OUT(MAX)
= 5V, I
Q
= 5mA,
LED Driver I
SD
≤ 1µA, 10-Lead MS Package
LTC3204-3.3/LTC3204B-3.3 Low Noise Regulated Charge Pumps in 2 × 2 DFN V
IN
: 1.8V to 4.5V (LTC3204/LTC3204B-3.3), 2.7V to 5.5V
LTC3204-5/LTC3204B-5 (“B” Version Defeats Burst Mode Operation) (LTC3204/LTC3204B-5), I
OUT
= 50mA (LTC3204/LTC3204B-3.3),
150mA (LTC3204/LTC3204B-5) 6-Lead 2 × 2 DFN Package
LTC3205 Multi-Display LED Controller 92% Efficiency, V
IN
: 2.8V to 4.5V, I
Q
= 50µA, I
SD
≤ 1µA,
4mm x 4mm QFN Package
LTC3206 Highly Integrated Multi-Display LED Controller 92% Efficiency, V
IN
: 2.7V to 4.5V, I
Q
= 180µA, I
SD
≤ 1µA,
4mm x 4mm QFN Package
LTC3251 500mA (I
OUT
), 1MHz to 1.6MHz Spread Spectrum 85% Efficiency, V
IN
: 3.1V to 5.5V, V
OUT
: 0.9V to 1.6V, I
Q
= 9µA,
Step-Down Charge Pump I
SD
≤ 1µA, 10-Lead MS Package
LTC3405/LTC3405A 300mA (I
OUT
), 1.5MHz Synchronous Step-Down 95% Efficiency, V
IN
: 2.7V to 6V, V
OUT(MIN)
= 0.8V, I
Q
= 20µA,
DC/DC Converter I
SD
≤ 1µA, ThinSOT Package
LTC3406/LTC3406B 600mA (I
OUT
), 1.5MHz Synchronous Step-Down 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 20µA,
DC/DC Converter I
SD
≤ 1µA, ThinSOT Package
LTC3440 600mA (I
OUT
), 2MHz Synchronous Buck-Boost 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 2.5V, I
Q
= 25µA,
DC/DC Converter I
SD
≤ 1µA, 10-Lead MS Package
LT3465/LT3465A 1.2MHz/2.7MHz with Internal Schottky Up to 6 White LEDs, V
IN
: 12.7V to 16V, V
OUT(MAX)
= 34V,
I
Q
= 1.9mA, I
SD
< 1µA, ThinSOT Package
ThinSOT is a trademark of Linear Technology Corporation.
U
TYPICAL APPLICATIO
V
IN
C1
+
C1
–
C2
+
C2
–
MODE
SHDN
GND
LTC3203/
LTC3203B
V
OUT
7
3
10
1
332k
2.2µF
10µF
100k 47Ω 47Ω 47Ω 47Ω 47Ω 47Ω
ON OFF
2
5
8
6
4
9, 11
FB
