Electrical characteristics, Electrical characteristics (continued) – Rainbow Electronics MAX1801 User Manual
Page 3
MAX1801
Digital Camera Step-Up Slave
DC-DC Controller
_______________________________________________________________________________________
3
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