lt3003emse-trpbf Linear Technology Corporation, lt3003emse-trpbf Datasheet - Page 13

• Manufacturer Part Number: lt3003emse-trpbf
• Description: 3-channel Led Ballaster With Pwm
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIONS
32V
V
IN
V
5V
IN
C1
4.7µF
50V
CER
1µF
10V
CER
R1
1M
D1
14V
C3
1µF
50V
ISP
V
SHDN
83
82
81
80
79
78
77
I
1A Buck Mode LT3003 with the LT1618
IN
ADJ
ISN
0
NUMBER OF LEDS = 6 × 3 = 18
LT1618
GND
0.2
NC
R
0.05Ω
1%, 1A
TOTAL LED CURRENT (A)
SENSE
FB
SW
V
V
V
SHDN
C
Effi ciency
MAX
IN
0.4
LED1
2N7002
GND
Q4
0.6
LT3003
LED2
220pF
0.8
V
1N4148W
EE
1k
L1
10µH
1.5A
LED3
3003 TA05b
PWM
OT1
OT2
3003 TA05a
1.0
10nF
I
PER STRING
LED
ZLLS1000
= 333mA
C
50V
CER
1µF
PWM
100Hz, 5V
500:1 MAX PWM
DIMMING RATIO
OUT
LT3003
13
3003fa