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Hello, Please ask a question about MAX17061A Datasheet
# Example questions:
➢ What is the typical full-scale fb_ output current when riset is 200kω?
➢ What is the maximum duty cycle of the boost converter?
➢ What is the typical smbus frequency range?
1. General/Supply Information:
️· Operating Temperature: -40°C to +85°C (Note 2: Some specifications are guaranteed by design, not production tested at -40°C).
️· SMBus Frequency: 10kHz - 100kHz
️· Logic Input Voltages:
- High: 2.1V
- Low: 0.8V
2. PWM and Oscillator Frequencies:
️· DPWM Oscillator Frequency (with different RSET values):
- RSET = 464kΩ: 197Hz - 203Hz
- RSET = 113kΩ: 750kHz - 820kHz
- RSET = 65kΩ: 1270kHz - 1400kHz
️· Operating Frequency (with VOSC=VCC): 890MHz - 1100MHz
️· Operating Frequency (with VOSC=open): 675kHz - 825kHz
️· Operating Frequency (with VOSC=GND): 450kHz - 560kHz
3. Control Inputs/SMBus:
️· SMBus Timing Parameters: Bus Free Time, START/STOP Condition Hold/Setup Times, SDA/SCL Logic Input-High/Low Levels
️· PWM Input Frequency Range: 5kHz - 100kHz
️· PWMI Full-Range Accuracy: +/- 5 LSB
4. LED Current and Regulation:
️· Full-Scale FB_ Output Current (with different R_ISET values):
- RISET = 133kΩ: 28.6mA - 31.4mA
- RISET = 200kΩ: 19.0mA - 21.0mA
- RISET = 266kΩ: 14.4mA - 15.6mA
️· Current Regulation Between Strings: -1.5% to +1.5%
️· Minimum FB_ Regulation Voltage (with varying IFB_):
- IFB_ = 15mA: 285mV - 560mV
- IFB_ = 20mA: 380mV - 740mV
- IFB_ = 30mA: 575mV - 1100mV
️· Maximum FB_ Ripple: 200mVp-p (with COUT = 1μF)
5. Input Leakage & Impedance:
️· SDA Output Low Sink Current: 4mA
️· FB_ On-Resistance: 28.4 ohms
️· PWM Output Impedance: 20 - 60 kΩ
6. Fault Protection & Timing:
️· OV Threshold Voltage: 1.166V - 1.306V
️· FB_ Undervoltage Threshold: 130mV - 220mV
️· Boost Global Fail: 48mV - 120mV
️· Overcurrent FAULT Shutdown Timer: 88μs - 168μs
️· FB_ Overvoltage Fault Timer: 1.6ms - 2.4ms
7. Max Duty Cycle: 94-97%
Note: *This summary is based solely on the provided excerpt. A complete datasheet would contain much more information.*
1. General/Supply Information:
️· Operating Temperature: -40°C to +85°C (Note 2: Some specifications are guaranteed by design, not production tested at -40°C).
️· SMBus Frequency: 10kHz - 100kHz
️· Logic Input Voltages:
- High: 2.1V
- Low: 0.8V
2. PWM and Oscillator Frequencies:
️· DPWM Oscillator Frequency (with different RSET values):
- RSET = 464kΩ: 197Hz - 203Hz
- RSET = 113kΩ: 750kHz - 820kHz
- RSET = 65kΩ: 1270kHz - 1400kHz
️· Operating Frequency (with VOSC=VCC): 890MHz - 1100MHz
️· Operating Frequency (with VOSC=open): 675kHz - 825kHz
️· Operating Frequency (with VOSC=GND): 450kHz - 560kHz
3. Control Inputs/SMBus:
️· SMBus Timing Parameters: Bus Free Time, START/STOP Condition Hold/Setup Times, SDA/SCL Logic Input-High/Low Levels
️· PWM Input Frequency Range: 5kHz - 100kHz
️· PWMI Full-Range Accuracy: +/- 5 LSB
4. LED Current and Regulation:
️· Full-Scale FB_ Output Current (with different R_ISET values):
- RISET = 133kΩ: 28.6mA - 31.4mA
- RISET = 200kΩ: 19.0mA - 21.0mA
- RISET = 266kΩ: 14.4mA - 15.6mA
️· Current Regulation Between Strings: -1.5% to +1.5%
️· Minimum FB_ Regulation Voltage (with varying IFB_):
- IFB_ = 15mA: 285mV - 560mV
- IFB_ = 20mA: 380mV - 740mV
- IFB_ = 30mA: 575mV - 1100mV
️· Maximum FB_ Ripple: 200mVp-p (with COUT = 1μF)
5. Input Leakage & Impedance:
️· SDA Output Low Sink Current: 4mA
️· FB_ On-Resistance: 28.4 ohms
️· PWM Output Impedance: 20 - 60 kΩ
6. Fault Protection & Timing:
️· OV Threshold Voltage: 1.166V - 1.306V
️· FB_ Undervoltage Threshold: 130mV - 220mV
️· Boost Global Fail: 48mV - 120mV
️· Overcurrent FAULT Shutdown Timer: 88μs - 168μs
️· FB_ Overvoltage Fault Timer: 1.6ms - 2.4ms
7. Max Duty Cycle: 94-97%
Note: *This summary is based solely on the provided excerpt. A complete datasheet would contain much more information.*
| Part No. | MAX17061A |
| Manufacturer | MAXIM |
| Size | 530 Kbytes |
| Pages | 24 pages |
| Description | 8-String White LED Driver with SMBus for LCD Panel Applications |
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