SP7615ER-L/TR
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Kynix Part #: KY32-SP7615ER-L/TR
Manufacturer Part#:

SP7615ER-L/TR

Product Category: IC Chips
Manufacturer: SIPEX
Description:
  datasheetSP7615ER-L/TR Datasheet
Package: DFN8
Quantity: 114 PCS
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level(MSL): 3(168 Hours)
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Manufacturer: SIPEX
Product Category: IC Chips
Features, Applications

FEATURES VCC 8 LED1 Cost Effective LED driver EN 2 Constant current output ideal for Driving LED strings 6 LED3 GND 3 8 Pin DFN Four Channel LED Driver provides matched LED ISET 5 LED4 current Current adjusted via an external resistor PWM dimming possible Now Available in Lead Free Packaging Small x 3mm DFN package Outputs can be connected in parallel to APPLICATIONS increase drive Constant current for wide cathode voltage range Next Generation Mobile Phones to 16V) PDA, DSC, MP3 Players Highly integrated design, minimal components Handheld Computers LCD Display Modules Thermal shutdown protects the driver Keyboard Backlight LED Displays DESCRIPTION The is a linear constant current driver designed to drive multiple LEDs in series from a high input voltage rail. The driver acts as a high current matched, four-channel current source ensuring constant LED current for a range of input voltages. The SP7615 allows implementing the lowest cost LED driver for a variety of applications. Internal circuitry maintains the pre-set constant current output for a wide voltage range at the LED outputs (LED1,2,3,4). LED current can be adjusted to 125mA per string with an external resistor. The dimming can be achieved by controlling the ISET input or by feeding a PWM signal to the EN pin. Fast EN turn-on and turn-off time allows for very fast PWM dimming frequencies, completely eliminating flicker. The built-in thermal protection automatically adjusts LED current to prevent overheating. TYPICAL APPLICATION SCHEMATIC


Vcc, VLED3, VLED4, Voltage 16V EN Voltage to GND..................................... 0 to (Vcc + 0.3V) ISET Voltage GND...................................0 to (Vcc or 6V, whichever is lower Output Current per LED (IOUT)................................. 150mA Power Dissipation per Package 8-pin DFN 85oC.............................. 1.1W Junction Temperature..............................................+150oC Storage Temperature............................... to +150oC ESD Level....................................................... 2kV HBM DFN Thermal Resistance......................................59oC/W


These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.


4.5V < VCC <16V , VEN =VLED4 =1.0V, RSET < 85oC, Unless otherwise noted. Typical numbers are for = 25oC.


PARAMETER Supply Voltage Quiescent Supply Current Output/I SET Current Multiplication Ratio LED Current (per diode) LED to LED Current Matching LED Current Line Voltage Regulation LED Current Load Voltage Regulation 9 LED Current Thermal Regulation ISET Pin Voltage Thermal Shutdown Threshold Thermal Shutdown Hysteresis Current in OFF Mode Min. ENABLE "ON Voltage" (Note1) Max. ENABLE "OFF Voltage" (Note %/V %/oC = 0.0V MIN. 4.5 TYP. MAX. mA % %/V IOUT change per volt VCC change < V LED 5V, I LED 1.0V < VLED < 5V, ILED = 126mA ILED = 126mA ISET = 1μA UNITS ILED4 =126mA CONDITIONS


Note 1. ENABLE "ON" is VEN for which ILED > 80mA Note 2. ENABLE "OFF" is VEN for which ILED > 1.0V

Introduction The is a four channel constant current source LED driver with programmable output current level. The design consists of a regulator bandgap, voltage-to-current converter, and output mirror drivers. The bandgap ensures good performance over voltage and temperature. The four outputs are tightly coupled allowing for excellent channel matching. Thermal Shutdown The SP7615 uses a thermal comparator to monitor the system temperature shutting the device down if the internal temperature reaches 150oC. The device will remain off until the internal temperature drops below 130oC. Enable The device has an enable function that is designed for TTL level inputs. This input will also track the VCCpin so levels up to VCCare acceptable. The enable pin can also be used to control the LED brightness with a pulse width modulated control signal. Duty Cycle or PWM control of the LED current maintains constant LED color while brightness is changing. The SP7615 responds in less than 10μs to PWM signals applied to this pin. The EN pin is internally pulled down with an approximately 80kOhm resistor. The SP7615 will remain in shutdown mode if this pin is left open.


Search Part number : "SP761" Included word is 15
Part Number Manufacturer Package Quantity Description
SP7616ER SIPEX DFN-8 9542
SP7616ER-L Exar Corporation 8-VFDFN Exposed Pad 26140 IC LED DRIVER LIN DIM 60MA 8DFN
SP7616ER-L/TR Exar Corporation 8-VFDFN Exposed Pad 6256 IC LED DRIVER LIN DIM 60MA 8DFN
SP7619ER-L/TR Exar Corporation 8-VFDFN Exposed Pad 27080 IC LED DRIVER LIN DIM 500MA 8DFN
SP7611AEC6 SIPEX SC70-6 8110
SP7611AEC6-L/TR SIPEX SOT363 3772
SP7612EC6 SIPEX SC70-6 4260
SP7612EC6-L SIPEX SC70-6 3041
SP7614AEC6 SIPEX SOT363 5756
SP7614AEC6-L SIPEX SOT23-6 21360
SP7614AEC6-L/7 SIPEX SOT-363 41860
SP7614AEC6-L/TR SIPEX SC70-6 206830
SP7614AEC6-L-TR SIPEX SOT363 16617
SP7614CEC6-L/TR SP SC70-6 3310
SP7614EC6 SIPEX SC70-6 19295
SP7615ER-L/TR RELATED PRODUCT PICTURE
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