Datasheet LTC6992-1, LTC6992-2, LTC6992-3, LTC6992-4 (Analog Devices) - 30
| Hersteller | Analog Devices |
| Beschreibung | TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM) |
| Seiten / Seite | 34 / 30 — TYPICAL APPLICATIONS. Wide Range LED Dimming (0 to 85000 Cd/m2 … |
| Dateiformat / Größe | PDF / 1.4 Mb |
| Dokumentensprache | Englisch |
TYPICAL APPLICATIONS. Wide Range LED Dimming (0 to 85000 Cd/m2 Brightness). Isolated PWM (5% to 95%) Controller
Modelllinie für dieses Datenblatt
- LTC6992CDCB-1#TRMPBF LTC6992CDCB-1#TRPBF LTC6992CS6-1#TRMPBF LTC6992CS6-1#TRPBF LTC6992HDCB-1#TRMPBF LTC6992HDCB-1#TRPBF LTC6992HS6-1#TRMPBF LTC6992HS6-1#TRPBF LTC6992HS6-1#WTRMPBF LTC6992HS6-1#WTRPBF LTC6992IDCB-1#TRMPBF LTC6992IDCB-1#TRPBF LTC6992IS6-1#TRMPBF LTC6992IS6-1#TRPBF LTC6992IS6-1#WTRMPBF LTC6992IS6-1#WTRPBF LTC6992MPS6-1#TRMPBF LTC6992MPS6-1#TRPBF
- LTC6992CDCB-2#TRMPBF LTC6992CDCB-2#TRPBF LTC6992CS6-2#TRMPBF LTC6992CS6-2#TRPBF LTC6992HDCB-2#TRMPBF LTC6992HDCB-2#TRPBF LTC6992HS6-2#TRMPBF LTC6992HS6-2#TRPBF LTC6992HS6-2#WTRMPBF LTC6992HS6-2#WTRPBF LTC6992IDCB-2#TRMPBF LTC6992IDCB-2#TRPBF LTC6992IS6-2#TRMPBF LTC6992IS6-2#TRPBF LTC6992IS6-2#WTRMPBF LTC6992IS6-2#WTRPBF LTC6992MPS6-2#TRMPBF LTC6992MPS6-2#TRPBF
- LTC6992CDCB-3#TRMPBF LTC6992CDCB-3#TRPBF LTC6992CS6-3#TRMPBF LTC6992CS6-3#TRPBF LTC6992HDCB-3#TRMPBF LTC6992HDCB-3#TRPBF LTC6992HS6-3#TRMPBF LTC6992HS6-3#TRPBF LTC6992HS6-3#WTRMPBF LTC6992HS6-3#WTRPBF LTC6992IDCB-3#TRMPBF LTC6992IDCB-3#TRPBF LTC6992IS6-3#TRMPBF LTC6992IS6-3#TRPBF LTC6992IS6-3#WTRMPBF LTC6992IS6-3#WTRPBF LTC6992MPS6-3#TRMPBF LTC6992MPS6-3#TRPBF
- LTC6992CDCB-4#TRMPBF LTC6992CDCB-4#TRPBF LTC6992CS6-4#TRMPBF LTC6992CS6-4#TRPBF LTC6992HDCB-4#TRMPBF LTC6992HDCB-4#TRPBF LTC6992HS6-4#TRMPBF LTC6992HS6-4#TRPBF LTC6992HS6-4#WTRMPBF LTC6992HS6-4#WTRPBF LTC6992IDCB-4#TRMPBF LTC6992IDCB-4#TRPBF LTC6992IS6-4#TRMPBF LTC6992IS6-4#TRPBF LTC6992IS6-4#WTRMPBF LTC6992IS6-4#WTRPBF LTC6992MPS6-4#TRMPBF LTC6992MPS6-4#TRPBF
Textversion des Dokuments
LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4
TYPICAL APPLICATIONS Wide Range LED Dimming (0 to 85000 Cd/m2 Brightness)
R2 7.5k VFAST 5V 5V 0.1µF – R1 FAST PWM 10k – CONTROLS 6000 TO 85000 + Cd/m2 BRIGHTNESS LT6004 + MOD OUT LT6004 LTC6992-4 R4 R3 GND V+ 5V 7.5k 10k R 3.3V 5V DIV1 C4 1M 0.1µF VREF SET DIV 3.3VIN PVIN RDIV2 RSET1 280k LED+ 61.9k 5–100% N A1 D1 DIV = 64 f = 12.6kHz PWM LT3518UF D2 VDIMMING 0V TO 1.65V SLOW PWM CONTROLS 0 TO 6000 VSLOW Cd/m2 BRIGHTNESS MOD OUT LUMILEDS LXHL-BW02 LTC6992-1 GND V+ 5V RDIV3 C1 1M 0.1µF SET DIV RDIV4 RSET2 681k 124k 0–100% N 6992 TA13 DIV = 4096 fOUT = 100Hz
Isolated PWM (5% to 95%) Controller
V+ 0.1µF ISOV+ R3 R6 0.1µF 1k R14 4.99k 10k – ISOLATION LT1011 R2 R9 R4 BARRIER – 100k 20k 10k 1kHz + MOD OUT T1 R16 + MOD OUT ISOPWM SOURCE • • 100k LT1011 PWM C1 LTC6992-2 R5 C2 R15 LTC6992-2 L1 1µF L2 20k 0.1µF 10k GND V+ GND V+ ISOV+ R7 R8 R1 1k 10k R12 10k 0.1µF 1M 0.1µF SET DIV R17 SET DIV 0.1µF V+ 10k R11 R13 R10 100kHz 787k 1kHz 280k 499k INTERMEDIATE PWM – C3 ISOLATED PWM 1000pF 6992 TA14 + ISOV+ LT1636 R18 – 100k + 0.1µF C4 CONCEPT DESIGN USING SIMPLE R-C FILTERING FOR PWM CONTROL. LT1636 1µF NOT OPTIMIZED FOR OFFSETS. T1: PCA EPF8119S ETHERNET TRANSFORMER Rev. D 30 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL APPLICATIONS Wide Range LED Dimming (0 to 85000 Cd/m2 Brightness)
R2 7.5k VFAST 5V 5V 0.1µF – R1 FAST PWM 10k – CONTROLS 6000 TO 85000 + Cd/m2 BRIGHTNESS LT6004 + MOD OUT LT6004 LTC6992-4 R4 R3 GND V+ 5V 7.5k 10k R 3.3V 5V DIV1 C4 1M 0.1µF VREF SET DIV 3.3VIN PVIN RDIV2 RSET1 280k LED+ 61.9k 5–100% N A1 D1 DIV = 64 f = 12.6kHz PWM LT3518UF D2 VDIMMING 0V TO 1.65V SLOW PWM CONTROLS 0 TO 6000 VSLOW Cd/m2 BRIGHTNESS MOD OUT LUMILEDS LXHL-BW02 LTC6992-1 GND V+ 5V RDIV3 C1 1M 0.1µF SET DIV RDIV4 RSET2 681k 124k 0–100% N 6992 TA13 DIV = 4096 fOUT = 100Hz
Isolated PWM (5% to 95%) Controller
V+ 0.1µF ISOV+ R3 R6 0.1µF 1k R14 4.99k 10k – ISOLATION LT1011 R2 R9 R4 BARRIER – 100k 20k 10k 1kHz + MOD OUT T1 R16 + MOD OUT ISOPWM SOURCE • • 100k LT1011 PWM C1 LTC6992-2 R5 C2 R15 LTC6992-2 L1 1µF L2 20k 0.1µF 10k GND V+ GND V+ ISOV+ R7 R8 R1 1k 10k R12 10k 0.1µF 1M 0.1µF SET DIV R17 SET DIV 0.1µF V+ 10k R11 R13 R10 100kHz 787k 1kHz 280k 499k INTERMEDIATE PWM – C3 ISOLATED PWM 1000pF 6992 TA14 + ISOV+ LT1636 R18 – 100k + 0.1µF C4 CONCEPT DESIGN USING SIMPLE R-C FILTERING FOR PWM CONTROL. LT1636 1µF NOT OPTIMIZED FOR OFFSETS. T1: PCA EPF8119S ETHERNET TRANSFORMER Rev. D 30 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts