MIC5247 MICREL [Micrel Semiconductor], MIC5247 Datasheet - Page 3
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MIC5247
Manufacturer Part Number
MIC5247
Description
150mA Low-Voltage ?Cap Linear Regulator Preliminary Information
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet
1.MIC5247.pdf
(10 pages)
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MIC5247
Electrical Characteristics
V
Symbol
V
V
I
I
PSRR
I
e
Enable Input
V
V
I
Thermal Protection
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 6.
November 6, 2000
Q
GND
LIM
EN
n
V
V
IN
O
IN
IL
IH
LNR
LDR
= V
– V
OUT
OUT
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended.
Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load regulation in the load
range from 0.1mA to 150mA. Changes in output voltage due to 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 a1V
differential. For outputs below 2.7V, dropout voltage is the input-to-output voltage differential with the minimum input voltage 2.7V. Minimum
input operating voltage is 2.7V.
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.
+ 1.0V; V
Parameter
Output Voltage Accuracy
Line Regulation
Load Regulation
Load Regulation for 1.5V only
Dropout Voltage
Quiescent Current
Ground Pin Current, Note 6
Power Supply Rejection
Current Limit
Output Voltage Noise
Enable Input Logic-Low Voltage
Enable Input Logic-High Voltage
Enable Input Current
Shutdown Resistance Discharge
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
IN
= V
EN
; I
OUT
= 100 A; T
J
= 25 C, bold values indicate –40 C
Conditions
I
V
I
I
I
V
I
I
f
V
C
f = 10Hz to 100kHz
V
V
V
V
OUT
OUT
OUT
OUT
OUT
OUT
IN
EN
OUT
IN
IN
IL
IH
OUT
1kHz
= V
= 2.7V to 5.5V, regulator shutdown
= 2.7V to 5.5V, regulator enabled
= 0.1mA to 150mA, Note 4
= 0mA
= 0.1mA to 150mA, V
= 150mA (see Note 5)
= 0mA
= 150mA
0.4V
= 0V
1.6V
= 10 F, C
0.4V (shutdown)
OUT
+ 0.1V to 6V
3
BYP
= 0.01 F,
OUT
= 1.5V
T
J
+125 C; unless noted.
–0.3
Min
160
1.6
–1
–2
Typical
0.01
0.01
150
300
500
150
0.2
0.8
85
85
50
30
10
2
3
1
+0.3
Max
150
150
0.4
1
2
3
4
1
MIC5247
Micrel
Units
%/V
Vrms
mV
mA
dB
%
%
%
%
V
V
C
C
A
A
A
A
A