Maxim Integrated DS3992Z-09N T&R
- Part Number:
- DS3992Z-09N T&R
- Manufacturer:
- Maxim Integrated
- Ventron No:
- 3260388-DS3992Z-09N T&R
- Description:
- IC CCFL CNTRLR 2CH 16-SOIC
- Datasheet:
- DS3992Z-09N T&R
Description
The DS3992 is a low-cost, two-channel controller for cold-cathode fluorescent lamps (CCFLs) used to backlight liquid crystal displays (LCDs). It can drive multiple CCFLs per channel, making it ideal for 4- and 6-lamp LCD PC monitor and TV applications. The DS3992 uses a push-pull drive scheme to convert a DC voltage (5V to 24V) to the high voltage (300VRMS to 1400VRMS) AC waveform required to power the CCFLs. The push-pull drive scheme minimizes external components, reducing cost and simplifying PC board design. It also provides efficient DC-to-AC conversion and produces near-sinusoidal waveforms.
Features
Two-Channel CCFL Controller for Backlighting LCD Panels for PC Monitors and LCD-TVs
Minimal BOM Provides Low-Cost Inverter Solution
Per-Channel Lamp Fault Monitoring for Lamp-Open, Lamp Overcurrent, Failure to Strike, and Overvoltage Conditions
Accurate (±10%) On-Board Oscillator for Lamp Frequency (40kHz to 80kHz)
Accurate (±10%) On-Board Oscillator for DPWM Burst-Dimming Frequency (90Hz to 220Hz or 180Hz to 440Hz)
Device Supply Undervoltage Lockout
Inverter Supply Undervoltage Lockout
Burst-Dimming Soft-Start Minimizes Audible Transformer Noise
Strike Frequency Boost
100% to 10% Dimming Range
4.5V to 5.5V Single-Supply Operation
-40°C to 85°C Temperature Range
Applications
LCD PC Monitors
LCD-TVs
The DS3992 is a low-cost, two-channel controller for cold-cathode fluorescent lamps (CCFLs) used to backlight liquid crystal displays (LCDs). It can drive multiple CCFLs per channel, making it ideal for 4- and 6-lamp LCD PC monitor and TV applications. The DS3992 uses a push-pull drive scheme to convert a DC voltage (5V to 24V) to the high voltage (300VRMS to 1400VRMS) AC waveform required to power the CCFLs. The push-pull drive scheme minimizes external components, reducing cost and simplifying PC board design. It also provides efficient DC-to-AC conversion and produces near-sinusoidal waveforms.
Features
Two-Channel CCFL Controller for Backlighting LCD Panels for PC Monitors and LCD-TVs
Minimal BOM Provides Low-Cost Inverter Solution
Per-Channel Lamp Fault Monitoring for Lamp-Open, Lamp Overcurrent, Failure to Strike, and Overvoltage Conditions
Accurate (±10%) On-Board Oscillator for Lamp Frequency (40kHz to 80kHz)
Accurate (±10%) On-Board Oscillator for DPWM Burst-Dimming Frequency (90Hz to 220Hz or 180Hz to 440Hz)
Device Supply Undervoltage Lockout
Inverter Supply Undervoltage Lockout
Burst-Dimming Soft-Start Minimizes Audible Transformer Noise
Strike Frequency Boost
100% to 10% Dimming Range
4.5V to 5.5V Single-Supply Operation
-40°C to 85°C Temperature Range
Applications
LCD PC Monitors
LCD-TVs
Maxim Integrated DS3992Z-09N T&R technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated DS3992Z-09N T&R.
- Mounting TypeSurface Mount
- Package / Case16-SOIC (0.154, 3.90mm Width)
- Supplier Device Package16-SOIC
- Operating Temperature-40°C~85°C
- PackagingTape & Reel (TR)
- Published2006
- Part StatusObsolete
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Max Operating Temperature85°C
- Min Operating Temperature-40°C
- Voltage - Supply4.5V~5.5V
- Frequency40kHz~80kHz
- Base Part NumberDS3992
- Max Supply Voltage5.5V
- Operating Supply Current8mA
- Current - Supply8mA
- DimmingYes
- Number of Segments2
- RoHS StatusROHS3 Compliant
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