SO (derate 5.88mW/°C above +70°C) ..........................471mW
Operating Temperature Ranges:
MAX75_C_ _ ........................................................0°C to +70°C
MAX75_E_ _......................................................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range............................... -65°to +160°C
Lead Temperature (soldering, 10sec) ........................... +300°C
Stresses beyond those listed under “Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuits of Figure 1 and Typical Operating Circuit, V
IN
= 2.5V, I
LOAD
= 0mA, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
Output Voltage
CONDITIONS
MAX756, 3/5 = 0V, 0mA < I
LOAD
< 200mA
2V < V
IN
< 3V MAX756, 3/5 = 3V, 0mA < I
LOAD
< 300mA
MAX757, V
OUT
= 5V, 0mA < I
LOAD
< 200mA
Minimum Start-Up Supply Voltage I
LOAD
= 10mA
Minimum Operating Supply
Voltage (once started)
Quiescent Supply Current in
3.3V Mode (Note 1)
Battery Quiescent Current
Measured at V
IN
in Figure 1
Shutdown Quiescent Current
(Note 1)
Reference Voltage
Reference-Voltage Regulation
LBI Input Threshold
LBI Input Hysteresis
LBO Output Voltage Low
LBO Output Leakage Current
SHDN, 3/5 Input Voltage Low
SHDN, 3/5 Input Voltage High
SHDN, 3/5, FB, LBI Input Current
FB Voltage
Output Voltage Range
LBI = 1.25V, FB = 1.25V, SHDN = 0V or 3V,
3/5 = 0V or 3V
MAX757
MAX757, I
LOAD
= 0mA (Note 2)
1.22
2.7
1.25
1.6
±100
1.28
5.5
I
SINK
= 2mA
LBO = 5V
I
LOAD
= 20mA
I
LOAD
= 0mA, 3/5 = 3V, LBI = 1.25V, V
OUT
= 3.47V,
FB = 1.3V (MAX757 only)
Output set for 3.3V
SHDN = 0V, LBI = 1.25V, 3/5 = 3V, V
OUT
= 3.47V,
FB = 1.3V (MAX757 only)
No REF load, C
REF
= 0.1µF
3/5 = 3V, -20µA < REF load < 250µA, C
REF
= 0.22µF
With falling edge
1.23
1.22
60
MIN
4.8
3.17
4.8
TYP
5.0
3.30
5.0
1.1
0.7
60
MAX
5.2
3.43
5.2
1.8
V
V
µA
UNITS
V
µA
20
1.25
0.8
1.25
25
40
1.27
2.0
1.28
0.4
1
0.4
µA
V
%
V
mV
V
µA
V
V
nA
V
V
Note 1:
Supply current from the 3.3V output is measured with an ammeter between the 3.3V output and OUT pin. This current
correlates directly with actual battery supply current, but is reduced in value according to the step-up ratio and efficiency.
Note 2:
Minimum value is production tested. Maximum value is guaranteed by design and is not production tested.
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