The MIC5202 is a dual linear voltage regulator with low
dropout voltage (typically 17 mV at light loads and
210 mV at 100 mA), and low ground current (1 mA at
100 mA per output). Ideal for battery-operated
applications, the MIC5202 offers 1% output voltage
accuracy and dual enable pins. The enable pins may
be driven individually or tied directly to V
IN
. When the
part is disabled, power consumption drops to nearly
zero. The MIC5202 ground current increases slightly in
dropout, which minimizes power consumption and
increases battery life. Some key features include
reversed battery protection, current-limit, and
overtemperature protection.
The MIC5202 is available in fixed output voltages in the
small 8-pin SOIC package.
Applications
Typical Application Schematic
MIC5202
8-P
IN
SOIC
U1
MIC5202
VOUT1
VOUT1
GND1
VOUT2
VOUT2
GND2
VIN1
EN1
VIN2
EN2
EN2
EN1
2016 Microchip Technology Inc.
DS20005614A-page 1
MIC5202
1.0
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings †
Input Supply Voltage (V
IN1
, V
IN2
) ................................................................................................................ –20V to +60V
Enable Input Voltage (EN1, EN2)................................................................................................................ –20V to +60V
) ............................................................................................................... +2.5V to +26V
Enable Input Voltage (EN1, EN2)....................................................................................................................... 0V to V
IN
† Notice:
Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of the device at those or any other conditions above those indicated
in the operational sections of this specification is not intended. Exposure to maximum rating conditions for extended
periods may affect device reliability.
‡ Notice:
The device is not guaranteed to function outside its operating ratings.
Note 1:
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5 kΩ in series with
100 pF.
DS20005614A-page 2
2016 Microchip Technology Inc.
MIC5202
TABLE 1-1:
ELECTRICAL CHARACTERISTICS
Electrical Characteristics:
V
IN
= V
OUT
+ 1V, C
OUT
= 10 µF; I
OUT
= 1 mA; T
J
= 25°C,
bold
values indicate –40°C
≤
T
J
≤
+125°C; unless noted. Specifications are for one LDO.
(Note
1).
Parameters
Output Voltage Accuracy
Output Voltage Temperature
Coefficient (Note
2)
Line Regulation
Load Regulation (Note
3)
Sym.
V
OUT
∆V
OUT
/∆T
Min.
–1
–2
—
—
—
—
—
—
—
Typ.
—
—
40
0.004
—
0.04
—
17
130
150
180
225
0.01
170
270
330
500
1200
270
75
280
0.05
100
Max.
1
2
150
0.10
0.40
0.16
0.30
—
—
—
—
350
—
—
—
—
—
1500
330
—
—
—
—
Units
%
ppm/°C
Conditions
—
—
V
IN
= V
OUT
+ 1V to 26V
I
OUT
= 0.1 mA to 100 mA
I
OUT
= 100 µA
I
OUT
= 20 mA
∆V
OUT
/
V
OUT
∆V
OUT
/
V
OUT
%
%
Dropout Voltage (Note
4)
V
IN
–
V
OUT
—
—
—
mV
I
OUT
= 30 mA
I
OUT
= 50 mA
I
OUT
= 100 mA
Ground Pin Current Shutdown
I
SHUT-
DOWN
—
—
—
µA
V
EN
≤
0.7V (shutdown)
V
EN
≥
2.0V, I
OUT
= 100 µA
I
OUT
= 20 mA
Ground Pin Current (Note
5)
I
GND
—
—
—
µA
I
OUT
= 30 mA
I
OUT
= 50 mA
I
OUT
= 100 mA
V
IN
= 0.5V less than V
OUT
,
I
OUT
= 100 µA
—
V
OUT
= 0V
—
—
Ground Pin Current in Dropout
Power Supply Rejection Ratio
Short Circuit Current Limit
Thermal Regulation (Note
6)
Output Noise
Note 1:
2:
3:
I
GNDDO
PSRR
I
LIMIT
∆V
OUT
/
∆P
D
e
n
—
—
—
—
—
µA
dB
mA
%/W
µV
4:
5:
6:
Specification for packaged product only.
Output voltage temperature coefficient is defined as the worst case voltage change divided by the tem-
perature range.
Load regulation is measured at a constant junction temperature using low duty cycle pulse testing. Parts
are tested for load regulation in the load range from 0.1 mA to 100 mA. Changes in output voltage caused
by heating effects are covered by the thermal regulation specification.
Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its
nominal value measured at 1V differential.
Ground pin current is the regulator quiescent current plus pass transistor base current. The total current
drawn from the supply is the sum of the load current plus the ground pin current.
Thermal regulation is defined as the change in output voltage at a time “t” after a change in power dissipa-
tion is applied, excluding load or line regulation effects. Specifications are for a 100 mA load pulse at
V
IN
= 26V for t = 10 ms.
2016 Microchip Technology Inc.
DS20005614A-page 3
MIC5202
TABLE 1-1:
ELECTRICAL CHARACTERISTICS (CONTINUED)
Electrical Characteristics:
V
IN
= V
OUT
+ 1V, C
OUT
= 10 µF; I
OUT
= 1 mA; T
J
= 25°C,
bold
values indicate –40°C
≤
T
J
≤
+125°C; unless noted. Specifications are for one LDO.
(Note
1).
Parameters
Enable Input
Enable Input Voltage
Enable Input Current
Note 1:
2:
3:
V
EN
I
ENL
I
ENH
—
2.0
—
—
—
—
0.01
8
0.7
—
—
50
V
µA
Logic-Low = Off
Logic-High = On
V
EN
≤
0.7V
V
EN
≥
2.0V
Sym.
Min.
Typ.
Max.
Units
Conditions
4:
5:
6:
Specification for packaged product only.
Output voltage temperature coefficient is defined as the worst case voltage change divided by the tem-
perature range.
Load regulation is measured at a constant junction temperature using low duty cycle pulse testing. Parts
are tested for load regulation in the load range from 0.1 mA to 100 mA. Changes in output voltage caused
by heating effects are covered by the thermal regulation specification.
Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its
nominal value measured at 1V differential.
Ground pin current is the regulator quiescent current plus pass transistor base current. The total current
drawn from the supply is the sum of the load current plus the ground pin current.
Thermal regulation is defined as the change in output voltage at a time “t” after a change in power dissipa-
tion is applied, excluding load or line regulation effects. Specifications are for a 100 mA load pulse at
V
IN
= 26V for t = 10 ms.
DS20005614A-page 4
2016 Microchip Technology Inc.
MIC5202
TEMPERATURE SPECIFICATIONS
Parameters
Temperature Ranges
Junction Operating Temperature
Range
Storage Temperature
Lead Temperature
Package Thermal Resistances
Thermal Resistance, SOIC 8-Ld
Note 1:
JA
—
63
—
°C/W
—
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable
junction temperature and the thermal resistance from junction to air (i.e., T
A
, T
J
,
JA
). Exceeding the
maximum allowable power dissipation will cause the device operating junction temperature to exceed the
maximum +125°C rating. Sustained junction temperatures above +125°C can impact the device reliability.
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