Rainbow Electronics MAX1611 - Manual (Page 3)

MAX1610/MAX1611
Digitally Controlled CCFL Backlight
Power Supplies
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ELECTRICAL CHARACTERISTICS (continued)
(T A = 0°C to +70°C, BATT = 8.2V, MINDAC = 0V, unless otherwise noted. Typical values are at T A = +25°C.)
GND < OTP < VL
Guaranteed monotonic
OTP rising
CONDITIONS
MAX1610 LOGIC LEVELS
mV 500 CS Overcurrent Cutoff Threshold
µ
A -1 1 OTP Input Bias Current
mV -20 20 OTP Voltage Trip Point
OPEN AND SHORTED TUBE PROTECTION
µ
A 20 CC Source Current
µ
A 80
D/A at full scale
CC Sink Current
µ
mho 85
CSAV to CC Voltage-to-Current Converter
Transconductance
CC = 2V, CSAV = 1V, D/A at 1LSB
DAC Resolution Bits 5
CC = 2V, CSAV = 1V, D/A at 1LSB
DAC AND ERROR AMPLIFIER
µ
A -5 5 CSAV Input Bias Current
mV
232 247 260
CC = 2V, CSAV = 0V, D/A at full scale
CSAV Regulation Point
V 0 1.0 CSAV Input Voltage Range
V 3 MINDAC Digital PWM Threshold
V 0 1 MINDAC Input Voltage Range
µ A -1 1 MINDAC Input Bias Current
UNITS MIN TYP MAX PARAMETER
D/A at 1LSB 12
Referred to REF
V 0.8 SHDN, UP, DN Input Low Voltage
V 2.4 SHDN, UP, DN Input High Voltage
µ
A -1 1 SHDN, UP, DN Input Bias Current
MAX1611 LOGIC LEVELS
V 0.8 SMBSUS, SDA, SCL Input Low Voltage
V 2.2 SMBSUS, SDA, SCL Input High Voltage
µ
A -1 1 SMBSUS, SDA, SCL Input Bias Current
V SDA = 0.6V mA 6 SDA Output Low Sink Current