Electrical characteristics (continued) – Rainbow Electronics MAX15028 User Manual
Page 3
MAX15027/MAX15028
1.425V to 3.6V Input, 1A Low-Dropout
Regulators with BIAS Input
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1; V
IN
= 1.8V, V
OUT
= 1.2V, EN = IN for MAX15027, EN = BIAS for MAX15028, I
OUT
= 100mA, T
A
= T
J
= -40°C to
+125°C. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note 2)
Note 2: All devices are 100% production tested at T
A
= +25°C. Limits over the operating temperature range are guaranteed by
design and characterization.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUT
Output Voltage Range
V
OUT
0.5
3.3
V
Load Regulation
I
OUT
= 1mA to 1A
0.01
mV/mA
Line Regulation
V
IN
= 1.425V to 3.6V, I
OUT
= 1mA
4
mV
Dropout Voltage (V
IN
- V
OUT
)
V
DO
I
OUT
= 1A, V
IN
= 1.5V
75
225
mV
Output Current Limit
I
LIM
V
FB
= 300mV
1.4
1.7
2.0
A
FB
Threshold Accuracy
V
FB
V
OUT
= 0.5V to 3.3V, V
IN
= (V
OUT
+ 0.3V)
to 3.6V, I
OUT
= 1mA to 1A
0.489
0.499
0.509
mV
Input Current
I
FB
V
FB
= 0.688V
0.1
0.2
µA
EN/SOFT-START
V
IH
1.05
Enable Input Threshold
(MAX15028)
V
IL
V
BIAS
= 5V
0.4
V
V
IH
1.05
Enable Input Threshold
(MAX15027)
V
IL
V
IN
= 1.8V
0.4
V
Soft-Start Charging Current
I
SS
5
µA
Soft-Start Reference Voltage
V
SS
0.499
V
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
T
J
rising
165
°C
Thermal-Shutdown Hysteresis
15
°C