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MIC5318-1.8YD5 Datasheet(PDF) 5 Page - Micrel Semiconductor

Part # MIC5318-1.8YD5
Description  High Performance 300mA 關Cap ULDO
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC5318-1.8YD5 Datasheet(HTML) 5 Page - Micrel Semiconductor

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Micrel, Inc.
MIC5318
September 2010
5
M9999-092810-B
Absolute Maximum Ratings(1)
Supply Voltage (VIN) ..................................0V to +6.5V
Enable Input Voltage (VEN)........................0V to +6.5V
Power Dissipation, Internally Limited
(3)
Lead Temperature (soldering, 3sec) ..................260°C
Junction Temperature (TJ)................ –40°C to +125°C
Storage Temperature (TS)................ –65°C to +150°C
ESD Rating
(4)
Operating Ratings(2)
Supply Voltage (VIN).............................. +2.3V to +6.0V
Enable Input Voltage (VEN).............................. 0V to VIN
Junction Temperature (TJ) ................. –40°C to +125°C
Junction Thermal Resistance
Thin MLF-6 (
θJA)...................................... 100°C/W
TSOT-23-5 (
θJA) ...................................... 235°C/W
Electrical Characteristics(5)
VIN = VOUT + 1.0V; COUT = 1.0µF; IOUT = 100µA; TJ = 25°C, bold values indicate –40°C to +125°C, unless noted.
Parameter
Conditions
Min
Typ
Max
Units
Variation from nominal VOUT
−2.0
+2.0
%
Output Voltage Accuracy
Variation from nominal VOUT; –40°C to +125°C
−3.0
+3.0
%
Line Regulation
VIN = VOUT + 1V to 6.0V; IOUT = 100µA
0.02
0.6
%/V
Load Regulation, Note 6
IOUT = 100µA to 300mA
0.2
2.0
%
Dropout Voltage, Note 7
IOUT = 50mA; VOUT ≥ 2.8V
IOUT = 150mA; VOUT ≥ 2.8V
IOUT = 300mA; VOUT ≥ 2.8V
17
50
110
100
200
mV
Ground Pin Current, Note 8
IOUT = 0 to 300mA
85
150
µA
Ground Pin Current in
Shutdown
VEN ≤ 0.2V
0.01
1
µA
Ripple Rejection
f = up to 1kHz; COUT = 1.0µF; CBYP = 0.1µF
f = 1kHz – 20kHz; COUT = 1.0µF; CBYP = 0.1µF
75
55
dB
Current Limit
VOUT = 0V
340
500
900
mA
Output Voltage Noise
COUT = 1.0µF; CBYP = 0.1µF; 10Hz to 100kHz
30
µVRMS
Enable Input
Logic Low
0.2
Enable Input Voltage
Logic High
1.1
V
VIL ≤ 0.2V
0.01
1
Enable Input Current
VIH ≥ 1.0V
0.01
1
µA
Turn-On Time
Turn-On Time
COUT = 1.0µF; CBYP = 0.1µF; IOUT = 150mA
30
100
µs
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. The maximum allowable power dissipation of any TA (ambient temperature) is PD(max) = (TJ(max) – TA) / θJA. Exceeding the maximum allowable
power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.
4. Devices are ESD sensitive. Handling precautions recommended. Human body model.
5. Specification for packaged product only.
6. Regulation is measured at constant junction temperature using low duty cycle pulse testing, changes in output voltage due to heating effects
are covered by the thermal regulation specification.
7. 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. For outputs below 2.3V, dropout voltage is the input-to-output differential with the minimum input voltage 2.3V.
8. Ground pin current is the regulation quiescent current. The total current drawn from the supply is the sum of the load current plus the ground
pin current.


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