Datasheet

LT3465/LT3465A
16
3465afa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
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FAX: [phone]
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www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2005
LT/LT 0805 REV A • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT1618 Constant Current, Constant Voltage, 1.4MHz, High Efficiency Up to 16 White LEDs, V
IN
: 1.6V to 18V, V
OUT(MAX)
: 34V, I
Q
: 1.8mA,
Boost Regulator I
SHDN
: <1µA, 10-Lead MS 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
SHDN
: <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, I
Q
: 1.9mA,
Boost Regulator I
SHDN
: <1µA, ThinSOT
LTC
®
3200-5 Low Noise, 2MHz, Regulated Charge Pump White LED Driver Up to 6 White LEDs, V
IN
: 2.7V to 4.5V, I
Q
: 8mA, I
SHDN
: <1µA,
ThinSOT Package
LTC3202 Low Noise, 1.5MHz, Regulated Charge Pump White LED Driver Up to 8 White LEDs, V
IN
: 2.7V to 4.5V, I
Q
: 5mA, I
SHDN
: <1µA,
10-Lead MS Package
LTC3205 Multi-Display LED Controller 92% Efficiency, V
IN
: 2.8V to 4.5V, I
Q
: 4.2mA, I
SD
: <1µA, Drives Main,
Sub, RGB, QFN Package
LTC3405 300mA (I
OUT
), 1.5MHz Synchronous Step-Down 95% Efficiency, V
IN
: 2.7V to 6V, V
OUT(MIN)
: 0.8V, I
Q
: 20µA, I
SHDN
: <1µA,
LTC3405A DC/DC Converter ThinSOT Package
LTC3406 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,
LTC3406B DC/DC Converter I
SHDN
: <1µA, ThinSOT Package
LTC3407 Dual 600mA (I
OUT
), 1.5MHz Synchronous Step-Down 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
: 0.6V, I
Q
: 40µA,
DC/DC Converters I
SHDN
: <1µA, MS10E, DFN Package
LTC3411 1.25A (I
OUT
), 4MHz Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
: 0.8V, I
Q
: 60µA,
I
SHDN
: <1µA, MS10, DFN Package
LTC3412 2.5A (I
OUT
), 4MHz Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
: 0.8V, I
Q
: 60µA,
I
SHDN
: <1µA, TSSOP16E Package
LTC3440/ 600mA/1.2A (I
OUT
), 2MHz/1MHz Synchronous Buck-Boost 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
: 2.5V, I
Q
: 25µA,
LTC3441 DC/DC Converter I
SHDN
: <1µA, 10-Lead MS Package
LT3466 Full Function White LED Step-Up Converter with Drives Up to 20 LEDs, Independent Step-Up Converters,
Built-In Schottkys V
IN
: 2.7µV to 24V, DFN Package
TYPICAL APPLICATIO
U
Li-Ion to Six White LEDs
SW V
OUT
V
IN
LT3465/
LT3465A
CTRL
3465A TA04a
R1
10Ω
C
IN
1µF
C
OUT
0.47µF
L1
47µH/22µH
3V TO 5V
FB
GND
C
IN
: TAIYO YUDEN JMK107BJ105
C
OUT
: TAIYO YUDEN GMK212BJ474
L1: MURATA LQH32CN470 (LT3465)
L1: MURATA LQH32CN220 (LT3465A)
LED CURRENT (mA)
0
EFFICIENCY (%)
75
85
80
3465A TA04b
70
65
60
55
50
5
10
15
20
V
IN
= 3.6V
6 LEDs
LT3465
LT3465A