LT3591EDDB#TRPBF Linear Technology, LT3591EDDB#TRPBF Datasheet - Page 14

• Manufacturer Part Number: LT3591EDDB#TRPBF
• Description: IC LED DRIVER WHITE BCKLGT 8-DFN
• Manufacturer: Linear Technology
• Type: Backlight, White LEDr

Specifications of LT3591EDDB#TRPBF

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 750kHz ~ 1.2MHz
• Voltage - Supply: 2.5 V ~ 12 V
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 300mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -

LT3591
TYPICAL APPLICATIONS
14
3V TO 5V
3V TO 5V
V
V
IN
IN
Li-Ion Driver for Seven White LEDs
Li-Ion Driver for Eight White LEDs
22 H
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31CR71H225KA88
L1: TAIYO YUDEN NR4018T220M
22 H
C1
1 F
C1
1 F
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31CR71H225KA88
L1: TAIYO YUDEN NR4018T220M
L1
L1
DIMMING CONTROL
DIMMING CONTROL
V
SW
V
SW
SHUTDOWN AND
SHUTDOWN AND
IN
IN
LT3591
LT3591
CTRL
CTRL
GND
GND
CAP
LED
CAP
LED
R
10
R
10
SENSE
SENSE
3591 TA08a
3591 TA07a
C2
2.2 F
C2
2.2 F
85
80
75
70
65
60
55
50
85
80
75
70
65
60
55
0
0
V
7 LEDs
V
8 LEDs
IN
IN
= 3.6V
= 3.6V
Conversion Effi ciency
Conversion Effi ciency
5
5
LED CURRENT (mA)
LED CURRENT (mA)
10
10
15
15
3591 TA07b
3591 TA08b
20
20
3591f