MIC5258 Micrel Semiconductor, MIC5258 Datasheet - Page 3

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MIC5258

Manufacturer Part Number
MIC5258
Description
150mA UCap CMOS LDO Regulator w/Power Good
Manufacturer
Micrel Semiconductor
Datasheet

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MIC5258
Absolute Maximum Ratings
Supply Input Voltage (V
Enable Input Voltage (V
Flag Output Voltage (V
Junction Temperature (T
Storage Temperature ............................... –65 C to +150 C
Lead Temperature (soldering, 5 sec.) ....................... 260 C
ESD, Note 3
Electrical Characteristics
V
Symbol
V
I
I
PSRR
I
Enable Input
V
V
I
Thermal Protection
Power Good , Note 6
V
V
I
V
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 6.
September 2001
Q
GND
LIM
EN
PG
V
V
IN
O
IL
IH
PG
OL
PG
LNR
LDR
= 2.7V, V
Delay
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.
Ground pin current is the regulator quiescent current. The total current drawn from the supply is the sum of the load current plus the ground
pin current.
The power good is a function of the output voltage being 5% low and the detection of one of the following: overcurrent, overtemperature or
dropout. See “Applications Information” section for additional information.
EN
Parameter
Output Voltage Accuracy
Line Regulation
Load Regulation
Quiescent Current
Ground Pin Current, Note 5
Power Supply Rejection
Current Limit
Enable Input Logic-Low Voltage
Enable Input Logic-High Voltage
Enable Input Current
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Low Threshold
High Threshold
PG Output Logic-Low Voltage
Power Good Leakage Current
Delay time to Power Good
= V
IN;
I
OUT
PG
IN
EN
J
= 100 A; T
) .................................. 0V to +7V
) ................................... 0V to V
) ...................................... +150 C
) .................................. 0V to V
J
= 25 C, bold values indicate –40 C
(Note 1)
Conditions
I
V
I
V
I
I
f = 120Hz, C
V
V
V
V
V
% of V
% of V
I
power good off, V
See Timing Diagram
OUT
OUT
OUT
OUT
L
IN
EN
OUT
IN
IN
IL
IH
= 100 A, fault condition
= 2.7V to 6V
= 5.5V, regulator shutdown
= 5.5V, regulator enabled
= 0.1mA to 150mA, Note 4
= 100 A
= 0mA; V
= 150mA; V
0.4V; V
1.6V; V
= 0V
0.4V (shutdown) PG = NC
OUT
OUT
IN
IN
(PG ON)
(PG OFF)
OUT
3
IN
IN
IN
= 5.5V
= 5.5V
Operating Ratings
Input Voltage (V
Enable Input Voltage (V
Flag Output Voltage (V
Junction Temperature (T
Thermal Resistance
= 6.0V
IN
= 4.7 F, I
PG
SOT-23
= 6.0V
= 5.5V
T
J
OUT
+125 C; unless noted.
JA
= 150mA
) ...................................................... 235 C/W
IN
) ......................................... +2.7V to +6V
PG
EN
J
) ................................... 0V to V
) ....................... –40 C to +125 C
(Note 2)
) .................................. 0V to V
–0.3
Min
160
1.6
–3
–4
89
1
Typical
0.45
0.01
0.01
0.02
0.01
110
110
150
350
3.5
tbd
10
Max
150
150
0.3
0.4
0.1
97
3
4
4
1
5
MIC5258
Micrel
Units
%/V
mA
ms
dB
%
%
%
%
%
V
V
V
C
C
A
A
A
A
A
A
IN
IN

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