Datasheet MAX25610A, MAX25610B (Maxim) - 5
| Manufacturer | Maxim |
| Description | Synchronous Buck and Buck Boost LED Driver / DC-DC Converter |
| Pages / Page | 24 / 5 — Electrical Characteristics (continued). PARAMETER. SYMBOL. CONDITIONS. … |
| File Format / Size | PDF / 1.1 Mb |
| Document Language | English |
Electrical Characteristics (continued). PARAMETER. SYMBOL. CONDITIONS. MIN. TYP. MAX. UNITS. ANALOG DIMMING (REFI)/EXTERNAL SENSE
Model Line for this Datasheet
Text Version of Document
MAX25610A/MAX25610B Synchronous Buck and Buck-Boost LED Driver/DC-DC Converter
Electrical Characteristics (continued)
(INP = 12V, INN = AGND = PGND, PWMDIM = INN, Limits are 100% tested at TA = 25°C and TA = 125°C. Limits over the operating temperature range and relevant supply voltage range are guaranteed by design and characterization from TA = -40°C to TA = 125°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS ANALOG DIMMING (REFI)/EXTERNAL SENSE
V Current-Sense Regulation FB connected to REFI = 0.4V, 8.5V < V Voltage (External Sense external sense INP - VPGND < 31V 28.1 30 31.8 mV Resistor) resistor to AGND VREFI = 1.2V, 8.5V < VINP - VPGND < 31V 0.147 0.15 0.153 V Input Bias Current REFIIN VREFI = 0V to VCC 20 nA REFI Zero-Voltage Threshold REFIZC Rising threshold 0.165 0.18 0.195 V REFI Clamp Voltage REFICL 1.273 1.3 1.328 V
CONTROL LOOP
Error Amplifier Transcon- ductance gM 1.2 1.8 2.4 mS Slope Compensation SlopeC Buck mode, MAX25610A 0.142 0.163 0.175 V/μs
OUT PIN
SHRT Short Threshold R OUT rising 140 170 200 mV SHRTF OUT falling 120 150 180 OV Overvoltage Threshold R OUT rising 2.85 3 3.15 V OVF OUT falling 2.75 2.9 3.05 OUT Leakage OUTLKG 100 nA
FAULT FLAG
Output Voltage Low VOL_FLT Referred to INN ILOAD = 5mA 200 mV Fault Leakage Current FLTLKG Referred to INN VFLT = 5V 1 μA Thermal Shutdown Thresh- old TSHUTDOWN Temperature rising 165 °C Thermal Shutdown Hyster- esis THYS 10 °C
Note 1:
Bondwires are not tested in production. Estimated maximum bondwire resistance is 20mΩ.
Note 2:
Extrapolated from ATE measurements at 1.9A and 0.5A.
Note 3:
DC accuracy measured on ATE.
Note 4:
Extrapolated from ATE measurements at 1A and 0.6A. www.maximintegrated.com Maxim Integrated │
5
Electrical Characteristics (continued)
(INP = 12V, INN = AGND = PGND, PWMDIM = INN, Limits are 100% tested at TA = 25°C and TA = 125°C. Limits over the operating temperature range and relevant supply voltage range are guaranteed by design and characterization from TA = -40°C to TA = 125°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS ANALOG DIMMING (REFI)/EXTERNAL SENSE
V Current-Sense Regulation FB connected to REFI = 0.4V, 8.5V < V Voltage (External Sense external sense INP - VPGND < 31V 28.1 30 31.8 mV Resistor) resistor to AGND VREFI = 1.2V, 8.5V < VINP - VPGND < 31V 0.147 0.15 0.153 V Input Bias Current REFIIN VREFI = 0V to VCC 20 nA REFI Zero-Voltage Threshold REFIZC Rising threshold 0.165 0.18 0.195 V REFI Clamp Voltage REFICL 1.273 1.3 1.328 V
CONTROL LOOP
Error Amplifier Transcon- ductance gM 1.2 1.8 2.4 mS Slope Compensation SlopeC Buck mode, MAX25610A 0.142 0.163 0.175 V/μs
OUT PIN
SHRT Short Threshold R OUT rising 140 170 200 mV SHRTF OUT falling 120 150 180 OV Overvoltage Threshold R OUT rising 2.85 3 3.15 V OVF OUT falling 2.75 2.9 3.05 OUT Leakage OUTLKG 100 nA
FAULT FLAG
Output Voltage Low VOL_FLT Referred to INN ILOAD = 5mA 200 mV Fault Leakage Current FLTLKG Referred to INN VFLT = 5V 1 μA Thermal Shutdown Thresh- old TSHUTDOWN Temperature rising 165 °C Thermal Shutdown Hyster- esis THYS 10 °C
Note 1:
Bondwires are not tested in production. Estimated maximum bondwire resistance is 20mΩ.
Note 2:
Extrapolated from ATE measurements at 1.9A and 0.5A.
Note 3:
DC accuracy measured on ATE.
Note 4:
Extrapolated from ATE measurements at 1A and 0.6A. www.maximintegrated.com Maxim Integrated │
5
