Datasheet

LT6100
16
6100fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2005
LT 1112 REV C • PRINTED IN USA
relaTeD parTs
Typical applicaTions
800mA/1A White LED Current Regulator
V
IN
D1: DIODES INC.
D2: LUMILEDS LXML-PW09 WHITE EMITTER
L1: SUMIDA CDRH6D28-3R0
0.1µF
22µF
16V
CER
1210
4.99k
6100 TA02
124k
8.2k
MMBT2222
LT3436
D1
B130
L1
3µH
SHDN
V
SW
FB
GND
LED
ON
V
IN
3.3V TO 4.2V
SINGLE Li-Ion
4.7µF
6.3V
CER
V
C
V
S
+
0.030Ω
D2
LED
WARNING! VERY BRIGHT
DO NOT OBSERVE DIRECTLY
LED
CURRENT
V
OUT
V
EE A4
LT6100
OPEN: 1A
CLOSED: 800mA
A2
V
S
–
V
CC
+
–
Filtered Gain of 20 Current Sense Gain of 50 Current Sense
V
OUT
20 • R
SENSE
• I
SENSE
–3dB AT 2.6kHz
FIL
V
CC
6100 TA03
R
SENSE
LT6100
V
S
–
V
S
+
V
EE
A2 A4
3V
1000pF
V
SUPPLY
4.4V TO 48V
I
SENSE
LOAD
–
+
V
OUT
50 • R
SENSE
• I
SENSE
FIL
V
CC
6100 TA04
R
SENSE
LT6100
V
S
–
V
S
+
V
EE
A2 A4
5V
V
SUPPLY
6.4V TO 48V
I
SENSE
–
+
LOAD
PART NUMBER DESCRIPTION COMMENTS
LTC1043 Dual Precision Instrumentation Switched Capacitor Building Block 120dB CMRR, 3V to 18V Operation
LT1490/LT1491 Dual and Quad Micropower Rail-to-Rail Input and Output Op Amps 50µA Amplifier, 2.7V to 40V Operation, Over-The-Top Inputs
LT1620/LT1621 Rail-to-Rail Current Sense Amplifiers Accurate Output Current Programming, Battery Charging
to 32V
LT1787 Precision Bidirectional, High Side Current Sense Amplifier 75µV V
OS
, 60V, 60µA Operation
LTC6101/LTC6101HV High Voltage, High Side, Precision Current Sense Amplifiers 4V to 60V/5V to 100V, Gain Configurable, SOT-23