Operating Junction Temperature Range .......... -40°C to +125°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range ............................ -65°C to +150°C
Lead Temperature (soldering, 10s) ................................. +300°C
Soldering Temperature (reflow) .......................................+260°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.
Package Thermal Characteristics (Note 1)
Junction-to-Ambient Thermal Resistance (θ
JA) ............... 41°C/W
Junction-to-Case Thermal Resistance (θ
JC) ....................9°C/W
Chip Information
PROCESS: BiCMOS
Note 1:
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to
www.maximintegrated.com/thermal-tutorial.
Package Information
For the latest package outline information and land patterns (footprints), go to
www.maximintegrated.com/packages.
Note that a “+”,
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
PACKAGE TYPE
10 TDFN-EP
PACKAGE CODE
T1033+1
OUTLINE NO.
21-0137
LAND PATTERN NO.
90-0003
Electrical Characteristics
(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)
PARAMETER
IN
MAX15027
Input Voltage Range
V
IN
MAX15028
V
IN
rising,
I
OUT
= 2mA
V
BIAS
= 3V to 5.5V
BIAS = IN
MAX15027
MAX15028
1.425
1.425
3.000
1.275
1.04
1.325
1.106
50
V
IN
= 1.425V to 3.6V, V
OUT
= 1.2V,
I
OUT
= 1mA, V
BIAS
= 3.3V
V
IN
= 3.6V, V
OUT
= 3.3V, I
OUT
= 100mA
V
IN
= 3.3V, V
OUT
= 3.3V, I
OUT
= 500mA
Input Supply Current in Shutdown
I
IN_SD
V
EN
= 0V, T
A
= -40°C to +85°C
160
180
170
275
275
315
0.1
410
560
470
5.5
µA
µA
3.600
3.600
3.600
1.375
1.14
V
mV
V
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Undervoltage Lockout
Undervoltage Lockout Hysteresis
V
UVLO
V
UVLO_HYST
Quiescent GND Current
I
GND
www.maximintegrated.com
Maxim Integrated
│
2
MAX15027/MAX15028
1.425V to 3.6V Input, 1A Low-Dropout
Regulators with BIAS Input
Electrical Characteristics (continued)
PARAMETER
BIAS (MAX15028)
Input Voltage Range
Undervoltage Lockout
Undervoltage Lockout Hysteresis
Quiescent Input Supply Current
I
BIAS
V
BIAS
V
BIAS_UVLO
SYMBOL
(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)
CONDITIONS
MIN
3
V
BIAS
rising, I
OUT
= 2mA
I
OUT
= 2mA
V
EN
= VBIAS
V
IN
= 0V, V
OUT
= 0V,
V
BIAS
= 3.3V
Input Supply Current in Shutdown
IBIAS_SD
EN = GND
V
IN
= 3.3V, V
OUT
= 0V,
V
BIAS
= 3.3V
V
IN
= 3.3V, V
OUT
= 0V,
V
BIAS
= 5V
OUT
Output Voltage Range
Load Regulation
Line Regulation
Dropout Voltage (VIN - VOUT)
Output Current Limit
FB
Threshold Accuracy
Input Current
EN/SOFT-START
Enable Input Threshold
(MAX15028)
Enable Input Threshold
(MAX15027)
Soft-Start Charging Current
Soft-Start Reference Voltage
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
T
J
rising
165
15
°C
°C
V
IH
V
IL
V
IH
V
IL
I
SS
V
SS
V
BIAS
= 5V
V
IN
= 1.8V
1.05
0.4
1.05
0.4
5
0.499
V
V
µA
V
V
FB
I
FB
V
OUT
= 0.5V to 3.3V, V
IN
= (V
OUT
+ 0.3V)
to 3.6V, I
OUT
= 1mA to 1A
V
FB
= 0.688V
0.489
0.499
0.1
0.509
0.2
mV
µA
V
DO
I
LIM
V
OUT
I
OUT
= 1mA to 1A
V
IN
= 1.425V to 3.6V, I
OUT
= 1mA
I
OUT
= 1A, V
IN
= 1.5V
V
FB
= 300mV
1.4
0.5
0.01
4
75
1.7
225
2.0
3.3
V
mV/mA
mV
mV
A
20
2.3
2.5
110
60
1.2
1.2
1.5
120
2
2
3
µA
TYP
MAX
5.5
2.7
UNITS
V
V
mV
µA
Note 2:
All devices are 100% production tested at T
A
= +25°C. Limits over the operating temperature range are guaranteed by
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