LTC3215 Linear Technology, LTC3215 Datasheet - Page 12
LTC3215
Manufacturer Part Number
LTC3215
Description
700mA Low Noise High Current LED Charge Pump
Manufacturer
Linear Technology
Datasheet
1.LTC3215.pdf
(12 pages)
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RELATED PARTS
PART NUMBER
LT1618
LT1961
LTC3205
LTC3206
LTC3216
LTC3440/LTC3441
LTC3443
LTC3453
LT3467/LT3467A
LT3479
LTC3215
TYPICAL APPLICATIO
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
DESCRIPTION
Constant Current, 1.4MHz, 1.5A Boost Converter
1.5A (I
DC/DC Converter
250mA, 1MHz, Multi-Display LED Controller
400mA, 800kHz, Multi-Display LED Controller
1A Low Noise High Current LED Charge Pump with
Independent Flash/Torch Current Control
600mA/1.2A I
Buck-Boost DC/DC Converter
600mA/1.2A I
Buck-Boost DC/DC Converter
1MHz, 800mA Synchronous Buck-Boost
High Power LED Driver
1.1A (I
DC/DC Converters with Integrated Soft-Start
3A, 42V, 3.5MHz Boost Converter
●
FAX: (408) 434-0507
SW
SW
TORCH/FLASH
), 1.25MHz, High Efficiency Step-Up
), 1.3/2.1MHz, High Efficiency Step-Up
OUT
OUT
ON/OFF
, 2MHz/1MHz, Synchronous
, 600kHz, Synchronous
U
µP
2.8V
2.8V
●
www.linear.com
2.9V TO 4.4V
High Power Camera Light and Flash
2.2µF
30k
1%
V
C1
EN
IN
+
2.2µF
I
SET
10.5k
1%
C1
LTC3215
COMMENTS
V
MS Package
V
MS8E Package
V
DFN Package
V
DFN Package
V
DFN Package
V
MS/DFN Packages
V
DFN Package
V
QFN Package
V
ThinSOT Package
V
DFN, TSSOP Packages
–
IN
IN
IN
IN
IN
IN
IN
IN(MIN)
IN
IN
C2
: 1.6V to 18V, V
: 3V to 25V, V
: 2.8V to 4.5V, V
: 2.8V to 4.5V, V
: 2.9V to 4.4V, V
: 2.4V to 5.5V, V
: 2.4V to 5.5V, V
: 2.4V to 16V, V
: 2.5V to 24V, V
+
2.2µF
: 2.7V to 5.5V, V
CPO
I
C2
LED
3215 TA02
–
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
I
200mA/500mA
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
LED
IN(MAX)
= 35V, I
= 36V, I
= 40V, I
= 40V, I
= 5.5V, I
= 5.5V, I
= 5.5V, I
= 5.25V, I
= 5.25V, I
4.7µF
: 2.7V to 4.5V, I
© LINEAR TECHNOLOGY CORPORATION 2005
Q
Q
= 0.9mA, I
Q
Q
Q
Q
Q
= 1.8mA, I
= 1.2mA, I
= 2µA, I
Q
Q
= 50µA, I
= 50µA, I
= 300µA, I
= 25µA/50µA, I
= 28µA, I
LT/TP 0305 1K • PRINTED IN USA
SD
SD
Q
SD
SD
SD
SD
= 2.5mA, I
< 1µA
< 6µA
SD
SD
< 1µA
< 1µA
< 1µA
< 1µA
< 2.5µA
<1µA
SD
<1µA
SD
< 6µA
3215f