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| MIC5315 Datasheet, PDF (3/13 Pages) Micrel Semiconductor – Low Voltage Dual 300mA LDO with Voltage Select | |||
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Micrel, Inc.
Absolute Maximum Ratings(1)
Main Input Voltage (VIN1, VIN2)..........................0V to VBIAS
Bias Supply Voltage (VBIAS)...............................0V to +6V
Enable Input Voltage (VEN1, VEN2) ....................0V to VBIAS
Voltage Select Input Voltage (V/VSC2) ...............0V to VBIAS
Power Dissipation ...............................Internally Limited(3)
Lead Temperature (soldering, 3sec.)......................260°C
Storage Temperature (Ts) ..................... â65°C to +150°C
ESD Rating(4)...............................................................2kV
MIC5315
Operating Ratings(2)
Supply voltage (VIN1, VIN2)...........................+1.7V to VBIAS
Bias Supply Voltage (VBIAS) ........................ 2.5V to +5.5V
Enable Input Voltage (VEN1, VEN2) ................... 0V to VBIAS
Voltage Select Input Voltage (V/VSC2)............... 0V to VBIAS
Junction Temperature (TJ) .....................â40°C to +125°C
Junction Thermal Resistance
2mm x 2mm Thin MLF-10 (θJA).............................80°C/W
Electrical Characteristics(4)
VBIAS = 3.6V; VIN1= VIN2 = VOUT (Highest of two regulators) + 1V; CBIAS=COUT= 1.0µF, CBYP=0.01µF, IOUT = 100µA;
TJ = 25ºC, bold values indicate â40ºC to + 125ºC; unless noted.
Parameter
Condition
Min Typ Max
Output Voltage Accuracy
Select Mode Output Voltage
Accuracy
VIN Line Regulation
VBIAS Line Regulation
Load Regulation
Dropout Voltage
Ground Pin Current VIN1,VIN2
Ground Pin Current VBIAS
Ground Pin Current in
Shutdown
Variation from nominal VOUT1 & VOUT2
Variation from nominal VOUT1 & VOUT2
VOUT2, V/VSC2 = Logic Low
VOUT2, V/VSC2 = Logic Low
VIN = VOUT +1V to 5.5V, VBIAS = 5.5V
VBIAS = 3.6V to 5.5V, VIN = VOUT +1V
IOUT = 100µA to 300mA
IOUT = 150mA
IOUT = 300mA
VEN1 = High; VEN2 = Low; IOUT1 = 100µA to 300mA
VEN1 = Low; VEN2 = High; IOUT2 = 100µA to 300mA
IOUT1 = IOUT2 = 100µA to 300mA
VEN ⤠0.2V
â1.0
+1.0
â2.0
+2.0
-3.0
+3.0
-4.0
+4.0
0.02 0.3
0.02 0.3
0.4 1.0
40 100
85 200
7
12
7
12
30
46
0.01 1.0
VIN Ripple Rejection
Current Limit
Output Voltage Noise
Enable
f = 1kHz; COUT = 1.0µF; CBYP = 0.01µF
f = 20kHz; COUT = 1.0µF; CBYP = 0.01µF
VOUT = 0V
COUT=1µF, CBYP=0.01µF, 10Hz to 100kHz
65
40
350 550
30
Enable Input Voltage
Logic Low
0.2
Logic High
1.2
Enable Input Current
Turn-on Time
VIL ⤠0.2V
VIH ⥠1.2V
COUT = 1µF; CBYP = 0.01µF
0.02 1
0.2
1
150 300
Units
%
%
%
%
%/V
%/V
%
mV
mV
µA
µA
µA
µA
dB
dB
mA
µVRMS
V
V
µA
µA
µs
July 2008
3
M9999-070208-A
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