LT3590ESC8#TRMPBF Linear Technology, LT3590ESC8#TRMPBF Datasheet - Page 2

• Manufacturer Part Number: LT3590ESC8#TRMPBF
• Description: IC LED DRVR WHITE BCKLGT SC-70-8
• Manufacturer: Linear Technology
• Type: Backlight, White LEDr

Specifications of LT3590ESC8#TRMPBF

• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 650kHz ~ 1.05MHz
• Voltage - Supply: 4.5 V ~ 55 V
• Voltage - Output: 55V
• Mounting Type: Surface Mount
• Package / Case: SC-70-8
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 50mA
• Internal Switch(s): Yes
• Efficiency: 91%
• No. Of Outputs: 1
• Output Current: 50mA
• Output Voltage: 55V
• Dimming Control Type: PWM / DC
• Operating Temperature Range: -40°C To +85°C
• Driver Case Style: SC-70
• Switching Frequency: 850kHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LT3590ESC8#TRMPBF; LT3590ESC8#TRMPBFTR

ABSOLUTE MAXIMUM RATINGS
LT3590
(Note 1)
Input Voltage (V
LED Voltage ............................................... –0.3V to 55V
CTRL Voltage ................................................. 0V to 6.0V
VREG Voltage ................................................. 0V to 4.0V
Operating Junction Temperature Range
PIN CONFIGURATION
LEAD FREE FINISH
LT3590EDC#PBF
LT3590ESC8#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ORDER INFORMATION
2
(Note 2) ...............................................– 40°C to 85°C
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
T
JMAX
IN
= 125°C, θ
6-LEAD (2mm × 2mm) PLASTIC DFN
) ..................................... –0.3V to 55V
CTRL
GND
SW
TAPE AND REEL
LT3590EDC#TRPBF
LT3590ESC8#TRPBF
JA
1
2
3
= 65°C/W TO 85°C/W, θ
DC PACKAGE
TOP VIEW
7
6
5
4
VREG
LED
V
IN
JC
PART MARKING
LCNZ
LCPB
= 20°C/W
http://www.linear.com/leadfree/
http://www.linear.com/tapeandreel/
PACKAGE DESCRIPTION
6-Lead (2mm × 2mm) Plastic DFN
8-Lead Plastic SC70
Maximum Junction Temperature........................... 125°C
Storage Temperature Range ...................– 65°C to 150°C
Lead Temperature (Soldering, 10 sec)
SC 8 Package Only ............................................ 300°C
T
JMAX
GND 2
GND 3
GND 4
SW 1
= 125°C, θ
8-LEAD PLASTIC SC70
SC8 PACKAGE
TOP VIEW
JA
= 75°C/W TO 95°C/W
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
8 V
7 LED
6 VREG
5 CTRL
IN
3590f