LT3743IFE#PBF Linear Technology, LT3743IFE#PBF Datasheet - Page 26

• Manufacturer Part Number: LT3743IFE#PBF
• Description: IC LED DVR HP CONST CURR 28TSSOP
• Manufacturer: Linear Technology
• Type: High Power, Constant Currentr

Specifications of LT3743IFE#PBF

• Topology: High Side, Low Side, PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: General Purpose
• Type - Secondary: RGB
• Frequency: 200kHz ~ 1MHz
• Voltage - Supply: 6 V ~ 36 V
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Operating Temperature: -40°C ~ 125°C
• Internal Switch(s): Yes
• Efficiency: 92%
• Led Driver Application: Lighting
• No. Of Outputs: 1
• Output Current: 20A
• Output Voltage: 40V
• Input Voltage: 6V To 36V
• Dimming Control Type: PWM
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Current - Output / Channel: -

LT3743
PACKAGE DESCRIPTION
26
6.60 0.10
4.50 0.10
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
(.108)
2.74
RECOMMENDED SOLDER PAD LAYOUT
(.0035 – .0079)
0.09 – 0.20
SEE NOTE 4
(.187)
MILLIMETERS
4.75
(INCHES)
(.169 – .177)
4.30 – 4.50*
(.020 – .030)
0.50 – 0.75
0.65 BSC
0.45 0.05
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
4. RECOMMENDED MINIMUM PCB METAL SIZE
28-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663)
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
FOR EXPOSED PAD ATTACHMENT
1.05 0.10
Exposed Pad Variation EB
0.25
REF
0 – 8
PAD HEAT SINK
ON BOTTOM OF
FE Package
EXPOSED
PACKAGE
(.0256)
0.65
BSC
28 27 26 2524 23
1
(.0077 – .0118)
0.195 – 0.30
2
TYP
3 4 5 6 7 8 9 10 11 12 13 14
(.378 – .386)
9.60 – 9.80*
22 21
(.187)
4.75
20
19
18 17
16
15
(.002 – .006)
0.05 – 0.15
FE28 (EB) TSSOP 0204
(.047)
(.108)
MAX
1.20
2.74
(.252)
6.40
BSC
3743fb