MIC5239 查看數據表（PDF） - Micrel
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MIC5239 Datasheet PDF : 14 Pages
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Micrel
Absolute Maximum Ratings(1)
Supply Voltage (VIN) ...................................... –20V to +32V
Enable Input Voltage (VEN)............................ –0.3V to +32V
Power Dissipation (PD)(3) ...........................Internally Limited
Junction Temperature (TJ) ........................–40°C to +125°C
Storage Temperature (TS).........................–65°C to +150°C
Lead Temperature (soldering, 5 sec.)........................ 260°C
ESD Rating(4)
SOT-23-3L ............................................................... 2kV
MSOP-8L .............................................................. 1.5kV
MIC5239
Operating Ratings(2)
Supply Voltage (VIN).......................................... 2.3V to 30V
Enable Input Voltage (VEN)................................... 0V to 30V
Junction Temperature (TJ) ........................ –40°C to +125°C
Package Thermal Resistance
MSOP (θJA)....................................................... 80°C/W
SOT-223 (θJA)................................................... 50°C/W
Electrical Characteristics(5)
VIN = VOUT + 1V; VEN ≥ 2.0V; IOUT = 100µA; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted.
Symbol
Parameter
Condition
Min Typ Max
VOUT
Output Voltage Accuracy
Variation from nominal VOUT
–1
1
–2
2
∆VOUT/VOUT
∆VOUT/VOUT
∆V
Line Regulation
Load Regulation
Dropout Voltage(7)
VIN = VOUT +1V to 30V
IOUT = 100µA to 500mA(6)
IOUT = 100µA
IOUT = 150mA
0.06 0.5
15
30
50
260
350
400
IGND
Ground Pin Current
IOUT = 500mA
VEN ≥ 2.0V, IOUT = 100µA
350
23
40
45
IGND(SHDN)
Ground Pin Shutdown
ISC
Short Circuit Current
en
Output Noise
FLAG Output
VEN ≥ 2.0V, IOUT = 150mA
VEN ≥ 2.0V, IOUT = 500mA
VEN ≤ 0.6V, VIN = 30V
VOUT = 0V
10Hz to 100kHz, VOUT = 3.0V, CL = 3.3µF
1.3
5
8.5 15
0.1
1
850 1200
160
VFLG
Low Threshold
% of VOUT
94
High Threshold
% of VOUT
95
VOL
FLAG Output Low Voltage
VIN = VOUT(nom) – 0.12VOUT, IOL = 200µA
150
ILEAK
FLAG Output Leakage
VOH = 30V
0.1
Enable Input
VIL
Input Low Voltage
regulator off
VIH
Input High Voltage
regulator on
IIN
Enable Input Current
VEN = 0.6V, regulator off
0.6
2.0
–1.0
–2.0
0.01
1.0
2.0
VEN = 2.0V, regulator on
0.15
1.0
2.0
VEN = 30V, regulator on
0.5
2.5
5.0
Units
%
%
%
mV
mV
mV
mV
mV
µA
µA
mA
mA
µA
mA
µVrms
%
%
mV
µA
V
V
µA
µA
µA
µA
µA
µA
December 2007
4
M9999-121007
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