LT1937ES5#TRMPBF Linear Technology, LT1937ES5#TRMPBF Datasheet - Page 11

• Manufacturer Part Number: LT1937ES5#TRMPBF
• Description: IC LED DRIVR WHITE BCKLGT TSOT-5
• Manufacturer: Linear Technology
• Type: Backlight, White LEDr

Specifications of LT1937ES5#TRMPBF

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 800kHz ~ 1.6MHz
• Voltage - Supply: 2.5 V ~ 10 V
• Voltage - Output: 36V
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 15mA
• Internal Switch(s): Yes
• Efficiency: 84%
• No. Of Outputs: 1
• Output Current: 320mA
• Output Voltage: 36V
• Dimming Control Type: PWM
• Operating Temperature Range: -40°C To +85°C
• Driver Case Style: TSOT-23
• Switching Frequency: 1.2MHz
• Rohs Compliant: Yes
• Operating Supply Voltage (typ): 3.3/5/9V
• Number Of Segments: 6
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Package Type: TSOT-23
• Pin Count: 5
• Mounting: Surface Mount
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 10V
• Led Driver Application: Cell Phones, PDA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LT1937ES5#TRMPBFTR

PACKAGE DESCRIPTIO
3.26 MAX
0.20 BSC
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
0.10 – 0.40
3.85 MAX
DATUM ‘A’
2.1 REF
RECOMMENDED SOLDER PAD LAYOUT
2.62 REF
MAX
0.47
PER IPC CALCULATOR
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
RECOMMENDED SOLDER PAD LAYOUT
MAX
0.62
0.30 – 0.50 REF
PER IPC CALCULATOR
0.10 – 0.30
0.65
REF
U
0.95
REF
0.96 MIN
1.16 REF
(Reference LTC DWG # 05-08-1638)
(Reference LTC DWG # 05-08-1635)
1.22 REF
1.4 MIN
5-Lead Plastic TSOT-23
0.09 – 0.20
(NOTE 3)
6-Lead Plastic SC70
0.10 – 0.18
(NOTE 3)
SC6 Package
S5 Package
1.80 – 2.40
2.80 BSC
1.00 MAX
1.00 MAX
1.15 – 1.35
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. DETAILS OF THE PIN 1 INDENTIFIER ARE OPTIONAL,
7. EIAJ PACKAGE REFERENCE IS EIAJ SC-70
1.50 – 1.75
(NOTE 4)
(NOTE 4)
BUT MUST BE LOCATED WITHIN THE INDEX AREA
0.80 – 0.90
PIN ONE
0.80 – 1.00
0.95 BSC
0.65 BSC
PIN 1
INDEX AREA
(NOTE 6)
1.80 – 2.20
(NOTE 4)
2.90 BSC
(NOTE 4)
1.90 BSC
S5 TSOT-23 0302
SC6 SC70 0302
0.00 – 0.10
0.15 – 0.30
6 PLCS (NOTE 3)
0.30 – 0.45 TYP
5 PLCS (NOTE 3)
0.01 – 0.10
LT1937
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