Datasheet MAX25600 (Maxim) - 3

MAX25600 Synchronous High-Voltage Four-Switch Buck- Boost LED Controller
Electrical Characteristics
(VIN = 12V, VUVEN = 12V, 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.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SUPPLY VOLTAGE
INP Input Voltage Range VINP 5.0 60 V Supply Current IINQ No switching 3 6 mA
UNDERVOLTAGE LOCKOUT
Undervoltage Lockout Rising VUVEN_THR VUVEN rising 1.12 1.24 1.37 V Hysteresis 106 mV Shutdown Current ISHTDN VUVEN = 0, VIN = 12V 6 20 µA
VCC REGULATOR
5.5V < VIN < 65V; IVCC = 1mA 4.9 5.0 5.1 Output Voltage VCC IVCC = 30mA, 5.5V < VIN < 36V 4.9 5.0 5.1 V IVCC = 1mA to 60mA, 6V < VIN < 25V 4.9 5.0 5.1 Dropout Voltage VCC_DROP VIN = 4.5V, IVCC = 5mA 60 110 mV VCC UVLO Rising VCC_UVLOR Rising 4.0 V VCC UVLO Falling VCC_UVLOF Falling 3.75 V Short-Circuit Current Limit IVCC_SC 70 mA
INPUT CURRENT-SENSE AMPLIFIER
Input Current-Sense Common-Mode Range 5 60 V Input Current-Sense Threshold 3V < VINP < 60V 88 100 112 mV INP Bias Current VINP - VINN = 100mV, VINP = 60V 50 µA INN Bias Current VINP - VINN = 100mV, VINP = 60V 10 µA
ANALOG DIMMING
ICTRL Control Input Voltage Range ICTRLRNG 0.2 1.2 V ICTRL Zero Current Threshold ICTRLZC_VTH (VISP - VISN) < 5mV 0.16 0.18 0.2 V ICTRL Clamp Voltage ICTRLCLMP ICTRL sink = 1µA 1.25 1.30 1.35 V ICTRL Input Bias Current ICTRLIIN VICTRL = 0 to 5.0V 20 500 mA
LED CURRENT-SENSE AMPLIFIER
Common-Mode Input Range -0.3 +60 V Differential Signal Range 0 200 mV ISN Input Bias Current IBISN VISP - VISN = 200mV, VISP = 60V 22 60 µA ISP Input Bias Current IBISP VISP - VISN = 200mV, VISP = 60V 350 550 µA Voltage Gain VISP - VISN) = 200mV, 3V < VISP, VISN < 60V 4.9 5.00 5.1 V/V www.maximintegrated.com Maxim Integrated │ 3