MIC39301-2.5(2000) 查看數據表（PDF） - Micrel
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MIC39301-2.5 Datasheet PDF : 12 Pages
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MIC39300/39301
Absolute Maximum Ratings (Note 1)
Supply Voltage (VIN) ..................................... –20V to +20V
Enable Voltage (VEN) .................................................. +20V
Storage Temperature (TS) ....................... –65°C to +150°C
Lead Temperature (soldering, 5 sec.) ....................... 260°C
ESD, Note 3
Micrel
Operating Ratings (Note 2)
Supply Voltage (VIN) .................................. +2.25V to +16V
Enable Voltage (VEN) .................................................. +16V
Maximum Power Dissipation (PD(max)) ..................... Note 4
Junction Temperature (TJ) ....................... –40°C to +125°C
Package Thermal Resistance
TO-263 (θJC) ......................................................... 2°C/W
TO-220 (θJC) ......................................................... 2°C/W
Electrical Characteristics
TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted
Symbol
Parameter
Condition
VOUT
∆VOUT/∆T
Output Voltage
Line Regulation
Load Regulation
Output Voltage Temp. Coefficient,
Note 5
10mA
10mA ≤ IOUT ≤ 3A, VOUT + 1V ≤ VIN ≤ 8V
IOUT = 10mA, VOUT + 1V ≤ VIN ≤ 8V
VIN = VOUT + 1V, 10mA ≤ IOUT ≤ 3A
VDO
Dropout Voltage, Note 6
IGND
Ground Current, Note 7
IGND(do)
Dropout Ground Pin Current
IOUT(lim)
Current Limit
Enable Input (MIC39301)
IOUT = 100mA, ∆VOUT = –1%
IOUT = 750mA, ∆VOUT = –1%
IOUT = 1.5A, ∆VOUT = –1%
IOUT = 3A, ∆VOUT = –1%
IOUT = 750mA, VIN = VOUT + 1V
IOUT = 1.5A, VIN = VOUT + 1V
IOUT = 3A, VIN = VOUT + 1V
VIN ≤ VOUT(nominal) – 0.5V, IOUT = 10mA
VOUT = 0V, VIN = VOUT + 1V
VEN
Enable Input Voltage
logic low (off)
logic high (on)
IIN
Enable Input Current
VEN = VIN
VEN = 0.8V
IOUT(shdn)
Shutdown Output Current
Flag Output (MIC39301)
IFLG(leak)
Output Leakage Current
Note 8
VOH = 16V
VFLG(do)
Output Low Voltage
VIN = 2.250V, IOL, = 250µA, Note 9
VFLG
Low Threshold
High Threshold
Hysteresis
% of VOUT
Min Typ Max Units
–1
1
%
–2
2
%
0.06 0.5
%
0.2
1
%
20
100 ppm/°C
80
200
mV
200
mV
320
mV
400 500 mV
10
20
mA
17
mA
45
mA
6
mA
4.5
A
0.8
V
2.25
V
15
30
µA
75
µA
2
µA
4
µA
10
20
µA
0.01
1
µA
2
µA
220 300 mV
400 mV
93
%
99.2
%
1
%
March 2000
3
MIC39300/39301
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