Rainbow Electronics MAX1801 - Manual (Page 3)

MAX1801
Digital Camera Step-Up Slave
DC-DC Controller
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ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V IN = +3.3V, V DCON = +1.25V, V REF = +1.25V, T A = -40°C to +85°C, unless otherwise noted.) (Note 1)
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V IN = +3.3V, V DCON = +1.25V, V REF = +1.25V, T A = 0°C to +85°C, unless otherwise noted. Typical values are at
T A = +25°C.) (Note 1)
PARAMETER CONDITIONS MIN TYP MAX UNITS
DRIVER
DL Driver Resistance 2.5 5 Ω
DL Drive Current 0.5 A
SOFT-START
Soft-Start Interval 1024
OS C
cycl es
SHORT-CIRCUIT PROTECTION
Fault Interval 1024
OS C
cycl es
PARAMETER CONDITIONS MIN TYP MAX UNITS
GENERAL
V IN Supply Voltage Operating Range 2.7 5.5 V
V IN Undervoltage Lockout Threshold V IN rising 2.15 2.55 V
REF Input Range 1.19 1.31 V
REF Undervoltage Lockout Threshold V
REF
rising 0.85 1.15 V
Shutdown Supply Current V IN = 5.5V, V DCON = 0, V REF = 0 1 µA
Sleep-Mode Supply Current V IN = 3.3V, V DCON = 0, V REF = 1.25V 10 µA
Quiescent Supply Current V OSC = 0, V FB = 0 300 µA
OSCILLATOR INPUT
OSC Input Leakage Current V OSC = 1.5V 1 µA
Oscillator Frequency Range 100 1000 kHz
OSC Clock Low Trip Level 0.20 0.30 V
1.00 1.10
OSC Clock High Trip Level
V DCON = 0.625V 0.575 0.675
V
Maximum Duty Cycle Adjustment Range
(Note 2)
f OSC = 100kHz 40 90 %
INPUTS/OUTPUTS
DCON Input Leakage Current V DCON = 5.5V 100 nA
DCON Input Sleep-Mode Threshold I IN
≤ 10µA 0.35 0.45 V
V DCON = 0 1.1
V DCON = V REF 10 REF Input Current
V DCON = V REF , during soft-start 30
µA