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Part Manufacturer Description PDF Samples Ordering
LT1937ESC6#PBF Linear Technology LT1937 - White LED Step-Up Converter in SC70 and ThinSOT; Package: SC70; Pins: 6; Temperature Range: -40°C to 85°C ri Buy
LT1937ES5#TR Linear Technology LT1937 - White LED Step-Up Converter in SC70 and ThinSOT; Package: SOT; Pins: 5; Temperature Range: -40°C to 85°C ri Buy
LT1937ESC6 Linear Technology LT1937 - White LED Step-Up Converter in SC70 and ThinSOT; Package: SC70; Pins: 6; Temperature Range: -40°C to 85°C ri Buy

LT1937 Datasheet

Part Manufacturer Description PDF Type Ordering
LT1937 Linear Technology White LED Step-Up Converter in SC70 and ThinSOT
ri

12 pages,
355.32 Kb

Original Buy
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LT1937ES5 Linear Technology White LED Step-Up Converter in SC70 and ThinSOT
ri

12 pages,
355.34 Kb

Original Buy
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LT1937ES5#TRMPBF Linear Technology White LED Step-Up Converter in SC70 and ThinSOT
ri

12 pages,
355.31 Kb

Original Buy
datasheet frame
LT1937ES5#TRPBF Linear Technology White LED Step-Up Converter in SC70 and ThinSOT
ri

12 pages,
355.31 Kb

Original Buy
datasheet frame
LT1937ESC6 Linear Technology White LED Step-Up Converter in SC70
ri

12 pages,
355.33 Kb

Original Buy
datasheet frame
LT1937ESC6#TR Linear Technology White LED Step-Up Converter in SC70 and ThinSOT
ri

12 pages,
355.31 Kb

Original Buy
datasheet frame
LT1937ESC6#TRM Linear Technology White LED Step-Up Converter in SC70 and ThinSOT
ri

12 pages,
355.31 Kb

Original Buy
datasheet frame
LT1937ESC6#TRMPBF Linear Technology White LED Step-Up Converter in SC70 and ThinSOT
ri

12 pages,
355.31 Kb

Original Buy
datasheet frame
LT1937ES5#PBF Linear Technology LT1937 - LT1937 - White LED Step-Up Converter in SC70 and ThinSOT; Package: SOT-23; Pins: 5; Temperature: E
ri

12 pages,
355.34 Kb

Original Buy
datasheet frame
LT1937ES5#TR Linear Technology LT1937 - LT1937 - White LED Step-Up Converter in SC70 and ThinSOT; Package: SOT-23; Pins: 5; Temperature: E
ri

12 pages,
355.34 Kb

Original Buy
datasheet frame

LT1937

Catalog Datasheet MFG & Type PDF Document Tags
Abstract: LT1937. A Schottky diode rated at 100mA to 200mA is sufficient for most LT1937 applications. Some , delay, no internal soft-start circuit is included in LT1937. When first turned on without an external , Final Electrical Specifications LT1937 White LED Step-Up Converter in ThinSOT April 2002 , currents resulting in uniform brightness and eliminates the need for ballast resistors. The LT1937 switches , loss in the current setting resistor for better efficiency. The LT1937 is available in a low profile ... Linear Technology
Original
datasheet

12 pages,
228.75 Kb

TAIYO YUDEN JMK107BJ105 panasonic 3.6v zener GMK212BJ224 marking LTYN ltyn LT1937 TEXT
datasheet frame
Abstract: the LT1937. A Schottky diode rated at 100mA to 200mA is sufficient for most LT1937 applications. Some , Current To achieve minimum start-up delay, no internal soft-start circuit is included in LT1937. When , LT1937 White LED Step-Up Converter in SC70 and ThinSOT U FEATURES s s s s s s s s s , need for ballast resistors. The LT1937 switches at 1.2MHz, allowing the use of tiny external , ThinSOTTM Packaging U APPLICATIO S s s s s The LT1937 is available in low profile SC70 and ... Linear Technology
Original
datasheet

12 pages,
355.33 Kb

LQH3C-220 ELJPC220KF GMK212BJ224 CDRH3D16-220 LQH3C220 LT1937 LT1937ESC6 1937f Marking f06a f06a LT1937ES5 1937 sot23 marking LTYN F12b LTYN TEXT
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Abstract: , which can cause significant switching losses at the 1.2MHz switching frequency of the LT1937. A , circuit is included in LT1937. When first turned on without an external soft-start circuit, inrush , LT1937 White LED Step-Up Converter in SC70 and ThinSOT FEATURES s s s s s s s s U , eliminating the need for ballast resistors. The LT1937 switches at 1.2MHz, allowing the use of tiny external , ThinSOTTM Packaging U APPLICATIO S s s s s The LT1937 is available in low profile SC70 and ... Linear Technology
Original
datasheet

12 pages,
297.54 Kb

LT1937 TEXT
datasheet frame
Abstract: minimize power losses in the LT1937. The result is a typical efficiency of 84%. The LT1937 is available in , LT1937 features an internal 36V switch that is capable of driving up to eight LEDs in series, but it is , LT1937 guarantees a constant light intensity and color in each LED, regardless of differences in their , circuitry. The superior internal compensation of LT1937 lowers the output capacitor requirement to a single , LT1937 is turned on or off by this signal. The average ,LTC and LT are registered trademarks of Linear ... Linear Technology
Original
datasheet

2 pages,
155.81 Kb

DN315 3.6v led driver circuit 2N7002 LQH3C-220 LQH3C LT1937 TEXT
datasheet frame
Abstract: QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 484 SINGLE CELL WHITE LED DRIVER LT1937 DESCRIPTION white LED backlight applications using 2­4 LEDs, making LT1937-SOT23 an ideal solution for , performance and the small size of the LT1937. The LT1937 features a 95mV feedback voltage, 1.2MHz switching , is easy to set up to evaluate the performance of the LT1937. Refer to Figure 1 for proper , receivers, and handheld computers (PDAs). LT1937 offers numerous LED dimming circuit options, see the ... Linear Technology
Original
datasheet

4 pages,
474.62 Kb

SOT23-S5 NSCW100 nichia NSCW100 LT1937ES5 JMK107BJ105MA Constant-Current LED Driver sot23 LQH32CN220K51L EMK212BJ224MG LT1937 LT1937-SOT23 TEXT
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Abstract: . The LED current is set at the FB pin of the LT1937. A built-in 95mV reference voltage minimizes , Introduction VIN 3V­5V L 22uH D 90 CIN 1uF VDC DIMMING VIN 85 SW 91k 5.1k LT1937 , : MURATA LQH3C220 LQH3C220 (408) 573-4150 (843) 946-0362 (516) 435-1110 (814) 237-1431 LT1937 FB D2 , LT1937 is to drive three or four white LEDs from a single Li-Ion cell. The circuit and the efficiency , LT1937 SHDN 2V/DIV VIN = 3.6V THREE LEDs 15mA Figure 3. External soft-start circuit 50us/DIV ... Linear Technology
Original
datasheet

1 pages,
150.16 Kb

LQH3C220 design ideas LED circuit "white led" curve LT1937 3.6v led driver circuit TEXT
datasheet frame
Abstract: efficiency performance of the LT1937 using the Murata inductor and a size circuit highlighting the LT1937's , frequency, making the LT1937-SC70 an ideal solution for battery powered portable applications such as , Demonstration circuit 507 is easy to set up to evaluate the performance of the LT1937. Refer to Figure 1 for , QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 507 SINGLE CELL WHITE LED DRIVER LT1937 DESCRIPTION Demonstration circuit 507 features the LT1937 constantcurrent white LED driver in a small SC70 ... Linear Technology
Original
datasheet

4 pages,
472.2 Kb

NSCW100 LT1937ESC6 LT1937-SC70 inductor 22uh DC507 LT1937 TEXT
datasheet frame
Abstract: ballast resistors. The UTC LT1937 switches at 1.2MHz, allowing the use of tiny external components. The , ) VIN 3V ~ 5V 85 CIN 1F 80 VIN=3V 75 VIN=3.6V UTC LT1937 SHDN GND FB 70 65 Li-Ion ... Unisonic Technologies
Original
datasheet

7 pages,
115.25 Kb

LED white comparator sot-363 LT1937 L1937 TEXT
datasheet frame
Abstract: for ballast resistors. The UTC LT1937 switches at 1.2MHz, allowing the use of tiny external , SW 90k 5k UTC LT1937 SHDN FB R1 4 GND 80 VIN=3V VIN=3.6V 75 70 65 ... Unisonic Technologies
Original
datasheet

7 pages,
56.85 Kb

Marking code rc SOT-363 marking code l sot-25 step-up marking 320 SOT-363 L1937 code 320 sot-363 LT1937 comparator sot-363 TEXT
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Abstract: Cross Reference of Belling 1117 1085 1084 HT73xx XC62FP XC62FP XC6206 XC6206 XC6203 XC6203 XC6401 XC6401 S-1711 S-1711 S-1112 S-1112 S-1122 S-1122 LP3985 LP3985 Belling's Part Number BL1117 BL1117 BL1085 BL1085 BL1084 BL1084 BL8503 BL8503 BL8503 BL8503 BL8503 BL8503 BL8553 BL8553 BL8560 BL8560 BL8560 BL8560 BL8555 BL8555 BL8555 BL8555 BL8555 BL8555 SOT-223, TO-252 TO-263, TO-252, TO-220 TO-263, TO-252, TO-220 SOT-89-3, SOT-23-3, TO-92 SOT-89-3, SOT-23-3 SOT-89-3, SOT-23-3 SOT-89-3 SOT-23-6-D SOT-23-6-C SOT-23-5A SOT-23-5B SOT-23-5 LT1937 RT9271 RT9271 RT9284 RT9284 RT9302 RT9302 AMC7110 AMC7110 ... Shanghai Belling
Original
datasheet

1 pages,
32.18 Kb

MAX809 sot23-3 SOT 1122 BL431 BL6212 SOT-23-5 driver TI BL8509 delay circuit sgm809 RT9284 bl8508 sot-23-3 BL4684 Cross Reference sot RICOH Cross Reference XC6206 Belling cross reference BL8560 BL8506 SOT233 TEXT
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Archived Files

Abstract Saved from Date Saved File Size Type Download
> LED Drivers > LT1937 - White LED Step-Up Converter in SC70 and ThinSOT Controllers System Monitor and Control Power Management Evaluation Kits LT1937 - ballast resistors. The LT1937 switches at 1.2MHz, allowing the use of tiny external components. The output voltage minimizes power loss in the current setting resistor for better efficiency. The LT1937 is View Packages Documentation Datasheet LT1937 - White LED
/datasheets/files/linear/c1003/c1094/p2196/p2196-viewall.html
Linear 09/02/2007 10.36 Kb HTML p2196-viewall.html
View LT1937ES5#PBF SOT 5 E $1.86 View LT1937ES5#TR SOT 5 E $1.86 $1.36 View LT1937ES5#TRM SOT 5 E $1.86 $1.38 View LT1937ES5#TRMPBF SOT LT1937ESC6 SC70 6 E $2.14 View LT1937ESC6#PBF SC70 6 E $2.14 View LT1937ESC6#TR SC70 6 E $2.14 $1.51 View LT1937ESC6#TRM SC70 6 E $2.14 $1.53 View LT1937ESC6#TRMPBF SC70 6 E $2.14 $1.53 View LT1937ESC6#TRPBF SC70
/datasheets/files/linear/product/2192.html
Linear 17/09/2010 19.84 Kb HTML 2192.html
> LT1937 - White LED Step-Up Converter in SC70 and ThinSOT Micropower Internal Power Switch Multiple Output External Power Switch LT1937 - White LED View Packages Documentation Datasheet LT1937 - White LED Data R303 Reliability Data Software and Simulation LT1937
/datasheets/files/linear/c1003/c1042/c1031/c1061/p2196/p2196.html
Linear 09/02/2007 9.34 Kb HTML p2196.html
> LT1937 - White LED Step-Up Converter in SC70 and ThinSOT Micropower Internal Power Switch Multiple Output External Power Switch LT1937 - White LED ballast resistors. The LT1937 switches at 1.2MHz, allowing the use of tiny external components. The output voltage minimizes power loss in the current setting resistor for better efficiency. The LT1937 is Documentation Datasheet LT1937 - White LED Step-Up Converter in SC70 and ThinSOT
/datasheets/files/linear/c1003/c1042/c1031/c1061/p2196/p2196-description-v1.html
Linear 21/11/2005 7.78 Kb HTML p2196-description-v1.html
> LT1937 - White LED Step-Up Converter in SC70 and ThinSOT Micropower Internal Power Switch Multiple Output External Power Switch LT1937 - White LED ballast resistors. The LT1937 switches at 1.2MHz, allowing the use of tiny external components. The output voltage minimizes power loss in the current setting resistor for better efficiency. The LT1937 is Documentation Datasheet LT1937 - White LED Step-Up Converter in SC70 and ThinSOT
/datasheets/files/linear/c1003/c1042/c1031/c1061/p2196/p2196-description.html
Linear 09/02/2007 9.26 Kb HTML p2196-description.html
> LT1937 - White LED Step-Up Converter in SC70 and ThinSOT Micropower Internal Power Switch Multiple Output External Power Switch LT1937 - White LED ballast resistors. The LT1937 switches at 1.2MHz, allowing the use of tiny external components. The output voltage minimizes power loss in the current setting resistor for better efficiency. The LT1937 is View Packages Documentation Datasheet LT1937 - White LED
/datasheets/files/linear/c1003/c1042/c1031/c1061/p2196/p2196-viewall.html
Linear 09/02/2007 10.26 Kb HTML p2196-viewall.html
> LT1937 - White LED Step-Up Converter in SC70 and ThinSOT Micropower Internal Power Switch Multiple Output External Power Switch LT1937 - White LED View Packages Documentation Datasheet LT1937 - White LED
/datasheets/files/linear/c1003/c1042/c1031/c1061/p2196/p2196-applications-v1.html
Linear 21/11/2005 7.24 Kb HTML p2196-applications-v1.html
> LED Drivers > LT1937 - White LED Step-Up Converter in SC70 and ThinSOT Management Evaluation Kits LT1937 - White LED Step-Up Converter in SC70 and ThinSOT ballast resistors. The LT1937 switches at 1.2MHz, allowing the use of tiny external components. The output voltage minimizes power loss in the current setting resistor for better efficiency. The LT1937 is Documentation Datasheet LT1937 - White LED Step-Up Converter in SC70 and ThinSOT
/datasheets/files/linear/c1003/c1094/p2196/p2196-description-v1.html
Linear 21/11/2005 7.84 Kb HTML p2196-description-v1.html
> LT1937 - White LED Step-Up Converter in SC70 and ThinSOT Micropower Internal Power Switch Multiple Output External Power Switch LT1937 - White LED ballast resistors. The LT1937 switches at 1.2MHz, allowing the use of tiny external components. The output voltage minimizes power loss in the current setting resistor for better efficiency. The LT1937 is View Packages Documentation Datasheet LT1937 - White LED
/datasheets/files/linear/c1003/c1042/c1031/c1061/p2196/p2196-viewall-v1.html
Linear 21/11/2005 8.72 Kb HTML p2196-viewall-v1.html
Linear Techonology Product Catalog LT1937 - White LED Step-Up Converter in SC70 and ThinSOT Inherently Matched LED Current High Efficiency: 84% Typical Drives Up to Four LEDs from a 3.2V Supply Drives ballast resistors. The LT1937 switches at 1.2MHz, allowing the use of tiny external components. The output voltage minimizes power loss in the current setting resistor for better efficiency. The LT1937 is
/datasheets/files/linear/c1003/c1094/p2196/p2196-printfriendly-v1.html
Linear 21/11/2005 3.97 Kb HTML p2196-printfriendly-v1.html

KEC Cross Reference Results

KEC Part Industry Part Manufacturer Category Description
KIB3401F Buy LT1937 Buy Linear Integrated Circuit White LED Driver IC

Micrel Cross Reference Results

Micrel Part Industry Part Manufacturer Type
MIC2287 Buy LT1937 Buy Linear Technology Pin-for-pin, functional replacement: Micrel replacement is pin-for-pin compatible, DC and AC parameters are compatible for most applications, but may not be 100% functionally compatible for all applications.
MIC2287BD5 Buy LT1937 Buy Linear Technology Pin-for-pin, functional replacement: Micrel replacement is pin-for-pin compatible, DC and AC parameters are compatible for most applications, but may not be 100% functionally compatible for all applications.
MIC2287-xxBML Buy LT1937 Buy Linear Technology Pin-for-pin, functional replacement: Micrel replacement is pin-for-pin compatible, DC and AC parameters are compatible for most applications, but may not be 100% functionally compatible for all applications.
MIC2289 Buy LT1937 Buy Linear Technology Pin-for-pin, functional replacement: Micrel replacement is pin-for-pin compatible, DC and AC parameters are compatible for most applications, but may not be 100% functionally compatible for all applications.

New Japan Radio Cross Reference Results

New Japan Radio Part Industry Part Manufacturer
NJU6048 Buy LT1937 Buy Linear Technology
NJU6050 Buy LT1937 Buy Linear Technology

NXP / Philips Cross Reference Results

NXP Semiconductor / Philips Part Industry Part Manufacturer Type Comments
LT1937 Buy LT1937D Buy Replacement For Discontinued NXP Product

On Semiconductor Cross Reference Results

On Semiconductor Part Industry Part Manufacturer Type
CAT4139TD-GT3 Buy LT1937 Buy Linear Technology Close
CAT4237TD-GT3 Buy LT1937 Buy Linear Technology Direct
NCP5006SNT1 Buy LT1937 Buy Linear Technology Close

Texas Instruments Cross Reference Results

Texas Instruments Part Industry Part Manufacturer Type Comment Description
LM2703 Buy LT1937ES5 Buy Linear Technology Similar Functionality Micropower Step-Up DC/DC Converter with 350mA Peak Current Limit
LM2704 Buy LT1937ES5 Buy Linear Technology Similar Functionality Micropower Step-up DC/DC Converter with 550mA Peak Current Limit
LM3410 Buy LT1937 Buy Linear Technology Similar Functionality 525kHz/1.6MHz, Constant Current Boost and SEPIC LED Driver with Internal Compensation