SP7120 SIPEX [Sipex Corporation], SP7120 Datasheet
SP7120
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SP7120 Summary of contents
Page 1
... LED power dissipation by having the cathodes heat-sinked to the ground plane of the circuit board. The SP7120 may drive two LEDs or one LED at twice the current with two channels connected in parallel. The SP7122 can drive three LEDs or one LED at three times the current ...
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... Vcc µA 20 kHz 15 µs I LED current drops 10% from nominal value SP7120/22 Low Dropout LED Driver 2 page ABSOLUTE MAXIMUM RATINGS , V , and EN to GND -0. LED2 ….…190° C/W JA ELECTRICAL CHARACTERISTICS Conditions EN = LOW Vcc = 5.5V 20mA LED Vcc = 5.5V 15mA LED ...
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... Enable pin. Device is active logic HIGH No Connect should be left floating 4 Connect anode of LED3 5 Connect anode of LED2 6 Connect anode of LED1 SP7120/22 Low Dropout LED Driver 3 page PIN ASSIGNMENTS as possible IN Ground pin BLOCK DIAGRAM © 2007 Sipex Corporation ...
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... SP7122B 20mA SP7122C 25mA The SP712X drivers are regulated current sources with an enable input. The SP7120 and SP7122 have factory preset LED current at three programmed levels: 15mA, 20mA or 25mA (versions A, B, and C respectively). The SP712X circuit consists of enable, bandgap reference, and current amplifier circuit blocks ...
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... Powering 1 high power LED I Powering 1 high power LED I Jun29-07 RevD up to 75mA with C version OUT up to 50mA with C version OUT C1 1nF SP7122 Powering 3 LED’s C1 1nF SP7120 Powering 2 LEDs SP7120/22 Low Dropout LED Driver 5 page APPLICATION CIRCUITS © 2007 Sipex Corporation ...
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... Channels 15mA per channel I OUT is for 2 Channels 15mA per channel I OUT Jun29-07 RevD BOARD LAYOUT AND GROUNDING TYPICAL PERFORMANCE SP7120A is for 2 Channels 15mA per channel I OUT is for 2 Channels 15mA per channel I OUT SP7120/22 Low Dropout LED Driver 6 page © 2007 Sipex Corporation ...
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... Channels 15mA per channel I OUT is for 2 Channels 15mA per channel I OUT Jun29-07 RevD TYPICAL PERFORMANCE SP7120A is for 2 Channels 15mA per channel I OUT is for 2 Channels 15mA per channel I OUT is for 2 Channels 15mA per channel I OUT SP7120/22 Low Dropout LED Driver 7 page © 2007 Sipex Corporation ...
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... CH1: PWM Signal CH2 Anode of LED CH4: LED current 10mA/div Jun29-07 RevD TYPICAL PERFORMANCE SP7120A PWM Low duty cycle 15µS 5kHz CH1: PWM Signal CH2: Anode of LED SP7120/22 Low Dropout LED Driver 8 page CH4: LED current 10mA/div © 2007 Sipex Corporation ...
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... Channels 15mA per channel I OUT Jun29-07 RevD TYPICAL PERFORMANCE SP7120A CH1: PWM Signal CH2: Anode of LED TYPICAL PERFORMANCE SP7122A is for 3 Channels 15mA per channel I OUT SP7120/22 Low Dropout LED Driver 9 page PWM 50% Duty Cycle 5kHz CH4: LED current 10mA/div © 2007 Sipex Corporation ...
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... Channels 15mA per channel I OUT is for 3 Channels 15mA per channel I OUT Jun29-07 RevD TYPICAL PERFORMANCE SP7122A is for 3 Channels 15mA per channel I OUT is for 3 Channels 15mA per channel I OUT is for 3 Channels 15mA per channel I OUT SP7120/22 Low Dropout LED Driver 10 page © 2007 Sipex Corporation ...
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... Channels 15mA per channel I OUT Low duty cycle 5Khz CH:1 PWM Signal CH2: Anode of LED CH4: LED current 10mA/div High Duty Cycle 20kHz CH1: PWM Signal CH2: Anode of LED CH4: LED current 10mA/div SP7120/22 Low Dropout LED Driver 11 page © 2007 Sipex Corporation ...
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... PWM Low Duty Cycle Single LED 5kHz CH1: PWM Signal CH2 Anode of LED CH4: LED current 20mA/div PWM 50% Single LED 20kHz CH1: PWM Signal CH2 Anode of LED CH4: LED current 20mA/div SP7120/22 Low Dropout LED Driver 12 page © 2007 Sipex Corporation ...
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... I OUT is for 3 channels 20mA per channel I OUT Jun29-07 RevD TYPICAL PERFORMANCE SP7122B is for 3 channels 20mA per channel I OUT is for 3 channels 20mA per channel I OUT is for 3 channels 20mA per channel I OUT SP7120/22 Low Dropout LED Driver 13 page © 2007 Sipex Corporation ...
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... I OUT PWM High Duty Cycle 20kHz CH1: PWM Signal CH2: Anode of LED CH4: LED current 10mA/div PWM 50%Duty Cycle 5kHz CH1: PWM Signal CH2 Anode of LED CH4: LED current 10mA/div SP7120/22 Low Dropout LED Driver 14 page © 2007 Sipex Corporation ...
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... PWM 50% Duty Cycle Single LED 5kHz CH1: PWM Signal CH2 Anode of LED CH4: LED current 50mA/div PWM Minimum Duty Cycle 15uS Single LED 20kHz CH1: PWM Signal CH2 Anode of LED CH4: LED current 50mA/div SP7120/22 Low Dropout LED Driver 15 page © 2007 Sipex Corporation ...
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... Jun29-07 RevD SP7120/22 Low Dropout LED Driver 16 page PACKAGE: 6 PIN SOT23 © 2007 Sipex Corporation ...
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... Yes 25mA Sipexsupport@sipex.com http://www.sipex.com/content.aspx?p=support http://www.sipex.com/applicationNotes.aspx Sipex Corporation Headquarters and Sales Office 233 South Hillview Drive Milpitas, CA95035 tel: (408) 934-7500 TM FAX: (408) 935-7600 SP7120/22 Low Dropout LED Driver 17 page ORDERING INFORMATION Moisture Sensitivity Channels (˚C/W) Level 190 260º ...