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MIC5321 Fiches technique(PDF) 5 Page - Micrel Semiconductor

No de pièce MIC5321
Description  Dual, High Performance 150mA UCap ULDO
Download  12 Pages
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Fabricant  MICREL [Micrel Semiconductor]
Site Internet  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC5321 Fiches technique(HTML) 5 Page - Micrel Semiconductor

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Micrel, Inc.
MIC5321
January 2007
5
M9999-012407-C
Absolute Maximum Ratings(1)
Supply Voltage (VIN) .....................................0V to +6V
Enable Input Voltage (VEN)...........................0V to +6V
Power Dissipation………………….Internally Limited
(3)
Lead Temperature (soldering, 3sec) ..................260°C
Storage Temperature (TS)................ –65°C to +150°C
ESD Rating
(4) .........................................................2kV
Operating Ratings(2)
Supply Voltage (VIN).............................. +2.3V to +5.5V
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-6 (
θJA) ........................................... 235°C/W
Electrical Characteristics(5)
VIN = EN = VOUT + 1.0V; higher of the two regulator outputs, IOUTLDO1 = IOUTLDO2 = 100µA; COUT1 = COUT2 = 1µF;
CBYP = 0.01µF; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +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 5.5V; IOUT = 100µA
0.02
0.3
0.6
%/V
%/V
Load Regulation
IOUT = 100µA to 150mA
0.5
2.0
%
Dropout Voltage
(6)
IOUT = 100µA
IOUT = 50mA
IOUT = 100mA
IOUT = 150mA
0.1
12
25
35
50
75
100
mV
mV
mV
mV
Ground Current
EN = High; IOUT1 = 150mA, IOUT2 = 150mA
150
190
µA
Ground Current in Shutdown
EN1 ≤ 0.2V
0.01
2
µA
Ripple Rejection
f = 1kHz; COUT = 1.0µF; CBYP = 0.1µF
f = 20kHz; COUT = 1.0µF; CBYP = 0.1µF
75
45
dB
dB
Current Limit
VOUT = 0V
300
550
950
mA
Output Voltage Noise
COUT = 1.0µF; CBYP = 0.01µF; 10Hz to 100kHz
30
µVRMS
Enable Inputs (EN)
Logic Low
0.2
V
Enable Input Voltage
Logic High
1.1
V
VIL ≤ 0.2V
0.01
1
µA
Enable Input Current
VIH ≥ 1.0V
0.01
1
µA
Turn-on Time (See Timing Diagram)
Turn-on Time (LDO1 and 2)
COUT = 1.0µF; No CBYP
COUT = 1.0µF; CBYP = 0.01µF
40
45
100
100
µs
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, 1.5k in series with 100pF.
5. Specification for packaged product only.
6. Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below it’s nominal VOUT. For outputs below 2.3V,
the dropout voltage is the input-to-output differential with the minimum input voltage 2.3V


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