MAX866 Maxim, MAX866 Datasheet - Page 3

• Manufacturer Part Number: MAX866
• Description: 3.3V/5V or Adjustable-Output / Single-Cell DC-DC Converters
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 2, V
Note 2: Output current specified with circuit of Figure 2 and CoilCraft D01608-334 inductor for test purposes only. More (or less)
Note 3: Output voltage specifications over temperature are guaranteed by design to limits that are 6 sigma from either side of the mean.
Note 4: Current measured into OUT. V
(Circuits of Figure 2, T
__________________________________________Typical Operating Characteristics
LBI Input Hysteresis
LBO Output Voltage Low
LBO Output Leakage Current
–
S
S
S
FB Voltage
Output Voltage Range
—
—
—
H
H
H
—
—
—
100
100
D
D
D
90
80
70
60
50
40
30
20
10
—
—
—
90
80
70
60
50
40
30
20
10
0
0
N
N
N
EFFICIENCY vs. LOAD CURRENT (V
EFFICIENCY vs. LOAD CURRENT (V
–
–
–
0.01
, 3/
, 3/
, 3/
0.01
output current can be supplied with other coil types depending on inductance value and coil resistance. See Typical Operating
Characteristics for other coil types. Output voltage and output current are guaranteed over this V
device has started up. Actual V
L = COILCRAFT D01608-334 (330 H, 2.9 )
PARAMETER
–
–
–
5
5
5
–
–
–
L = SUMIDA CD73-331 (330 H, 1.5 )
, FB, LBI Input Current LBI = 1.5V, FB = 1.5V,
Input Voltage Low
Input Voltage High
0.1
0.1
LOAD CURRENT (mA)
LOAD CURRENT (mA)
TOP TO BOTTOM:
V
V
V
V
V
TOP TO BOTTOM:
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
1
_______________________________________________________________________________________
= 2.0V
= 1.5V
= 1.25V
= 1.0V
= 0.75V
A
= 2.0V
= 1.5V
= 1.25V
= 1.0V
= 0.75V
= 0.5V
= 1.2V, I
1
= +25°C, unless otherwise noted.)
10
10
LOAD
100
OUT
OUT
I
LBO = 5V
MAX867, output in regulation
MAX867
SINK
= 5.0V)
OUT
= 3.3V)
= 0mA, T
IN
1000
100
= 2mA, open-drain output
start-up voltage depends on load current.
is forced to 3.47V to maintain LX off when measuring device current.
A
1000
1200
100
800
600
400
200
= +25°C, unless otherwise noted.)
90
80
70
60
50
40
30
20
10
0
EFFICIENCY vs. LOAD CURRENT (V
0
3.3V/5V or Adjustable-Output,
Single-Cell DC-DC Converters
0.01
0
L = COILCRAFT D01608-334 (330 H, 2.9 )
vs. BATTERY VOLTAGE (V
INCREASING
BATTERY
VOLTAGE
0.2
CONDITIONS
NO-LOAD BATTERY CURRENT
–
S
—
H
0.1
—
0.4 0.6
D
LOAD CURRENT (mA)
BATTERY VOLTAGE (V)
—
N
–
TOP TO BOTTOM:
V
V
V
V
V
IN
IN
IN
IN
IN
= 0V or 3V, 3/
= 2.0V
= 1.5V
= 1.25V
= 1.0V
= 0.75V
DECREASING
BATTERY
VOLTAGE
1
0.8 1.0 1.2
OUT
10
OUT
–
5
= 3.3V)
–
1.4 1.6
= 0V or 3V
= 3.3V)
100
100
4000
3500
3000
2500
2000
1500
1000
90
80
70
60
50
40
30
20
10
500
0
EFFICIENCY vs. LOAD CURRENT (V
0.32 x V
0
0.01
1.22
MIN
2.7
0
IN
L = SUMIDA CD73-331 (330 H, 1.5 )
vs. BATTERY VOLTAGE (V
0.2
operating range once the
NO-LOAD BATTERY CURRENT
OUT
0.1
TOP TO BOTTOM:
V
V
V
V
V
V
0.4 0.6
IN
IN
IN
IN
IN
IN
LOAD CURRENT (mA)
TYP
1.25
±40
BATTERY VOLTAGE (V)
25
= 2.0V
= 1.5V
= 1.25V
= 1.0V
= 0.75V
= 0.5V
0.08 x V
1
DECREASING
BATTERY
VOLTAGE
0.8 1.0 1.2
±100
MAX
1.28
6.0
0.4
INCREASING
BATTERY
VOLTAGE
10
1
OUT
OUT
100
OUT
UNITS
= 5V)
mV
1.4 1.6
µA
nA
= 5.0V)
V
V
V
V
V
1000
3