LT6100
16
6100fc
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2005
LT 1112 REV C PRINTED IN USA
relaTeD parTs
Typical applicaTions
800mA/1A White LED Current Regulator
VIN
D1: DIODES INC.
D2: LUMILEDS LXML-PW09 WHITE EMITTER
L1: SUMIDA CDRH6D28-3R0
0.1F
22F
16V
CER
1210
4.99k
6100 TA02
124k
8.2k
MMBT2222
LT3436
D1
B130
L1
3H
SHDN
VSW
FB
GND
LED
ON
VIN
3.3V TO 4.2V
SINGLE Li-Ion
4.7F
6.3V
CER
VC
VS+
0.030
D2
LED
WARNING! VERY BRIGHT
DO NOT OBSERVE DIRECTLY
LED
CURRENT
VOUT
VEE A4
LT6100
OPEN: 1A
CLOSED: 800mA
A2
VS–
VCC
+ –
Filtered Gain of 20 Current Sense
Gain of 50 Current Sense
VOUT
20 RSENSE ISENSE
–3dB AT 2.6kHz
FIL
VCC
6100 TA03
RSENSE
LT6100
VS–
VS+
VEE
A2
A4
3V
1000pF
VSUPPLY
4.4V TO 48V
ISENSE
LOAD
–
+
VOUT
50 RSENSE ISENSE
FIL
VCC
6100 TA04
RSENSE
LT6100
VS–
VS+
VEE
A2
A4
5V
VSUPPLY
6.4V TO 48V
ISENSE
–
+
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 50A 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
75V VOS, 60V, 60A Operation
LTC6101/LTC6101HV High Voltage, High Side, Precision Current Sense Amplifiers
4V to 60V/5V to 100V, Gain Configurable, SOT-23