LT3591EDDB#TRMPBF Linear Technology, LT3591EDDB#TRMPBF Datasheet - Page 13

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

Specifications of LT3591EDDB#TRMPBF

• 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
• No. Of Outputs: 1
• Output Current: 300mA
• Output Voltage: 24V
• Input Voltage: 2.5V To 12V
• Dimming Control Type: PWM / DC
• Operating Temperature Range: -40°C To +85°C
• Driver Case Style: DFN
• Rohs Compliant: Yes
• Led Driver Application: Cell Phones, PDA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -
• Other names: LT3591EDDB#TRMPBFTR

TYPICAL APPLICATIONS
SHUTDOWN
PV
24V
DIMMING
CONTROL
V
3V
SHUTDOWN
IN
IN
PV
24V
DIMMING
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31CR71H475KA12L
C3: MURATA GRM21BR71H105KA12L
L1: TAIYO YUDEN NR4018T220M
V
CONTROL
3V
IN
IN
AND
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31CR71H475KA12L
C3: MURATA GRM21BR71H105KA12L
L1: TAIYO YUDEN NR4018T220M
AND
24V to Four White LEDs at 100mA
24V to Five White LEDs at 100mA
C3
1 F
C1
1 F
C3
1 F
C1
1 F
V
CTRL
IN
CAP
V
CTRL
IN
LT3591
CAP
R
GND
SENSE
2
R
LT3591
SENSE
GND
2
4.7 F
LED
C2
SW
4.7 F
LED
C2
SW
3591 TA05a
3591 TA06a
L1
22 H
L1
22 H
95
90
85
80
75
70
95
90
85
80
75
70
0
0
20
20
LED CURRENT (mA)
LED CURRENT (mA)
Effi ciency
Effi ciency
40
40
60
60
80
80
3591 TA05b
3591 TA06b
100
LT3591
100
13
3591f