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MIC3775 Fiches technique(PDF) 3 Page - Micrel Semiconductor

No de pièce MIC3775
Description  750mA UCap Low-Voltage Low-Dropout Regulator
Download  14 Pages
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Fabricant  MICREL [Micrel Semiconductor]
Site Internet  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC3775 Fiches technique(HTML) 3 Page - Micrel Semiconductor

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March 2003
3
MIC3775
MIC3775
Micrel
Electrical Characteristics (Note 5)
V
IN = VOUT + 1V; VEN = 2.25V; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted
Symbol
Parameter
Condition
Min
Typ
Max
Units
V
OUT
Output Voltage
10mA
–11
%
10mA
≤ I
OUT ≤ 750mA, VOUT + 1V ≤ VIN ≤ 6V
–22
%
Line Regulation
I
OUT = 10mA, VOUT + 1V ≤ VIN ≤ 6V
0.06
0.5
%
Load Regulation
V
IN = VOUT + 1V, 10mA ≤ IOUT ≤ 750mA,
0.2
1
%
∆V
OUT/∆T
Output Voltage Temp. Coefficient,
40
ppm/
°C
Note 6
V
DO
Dropout Voltage, Note 7
I
OUT = 100mA, ∆VOUT = –1%
125
200
mV
250
mV
I
OUT = 500mA, ∆VOUT = –1%
210
mV
I
OUT = 750mA, ∆VOUT = –1%
280
500
mV
I
GND
Ground Current, Note 8
I
OUT = 100mA, VIN = VOUT + 1V
700
µA
I
OUT = 500mA, VIN = VOUT + 1V
3.7
mA
I
OUT = 750mA, VIN = VOUT + 1V
7.5
15
mA
I
OUT(lim)
Current Limit
V
OUT = 0V, VIN = VOUT + 1V
1.6
2.5
A
Enable Input
V
EN
Enable Input Voltage
logic low (off)
0.8
V
logic high (on)
2.25
V
I
EN
Enable Input Current
V
EN = 2.25V
1
10
30
µA
V
EN = 0.8V
2
µA
4
µA
Flag Output
I
FLG(leak)
Output Leakage Current
V
OH = 6V
0.01
1
µA
2
µA
V
FLG(do)
Output Low Voltage
V
IN = 2.250V, IOL, = 250µA
250
500
mV
V
FLG
Low Threshold
% of V
OUT
93
%
High Threshold
% of V
OUT
99.2
%
Hysteresis
1%
Adjustable Output Only
Reference Voltage
1.227
1.240
1.252
V
1.215
1.265
V
Adjust Pin Bias Current
40
80
nA
120
nA
Note 1.
Exceeding the absolute maximum ratings may damage the device.
Note 2.
The device is not guaranteed to function outside its operating rating.
Note 3.
Devices are ESD sensitive. Handling precautions recommended.
Note 4.
P
D(max) = (TJ(max) – TA) ÷ θJA, where θJA depends upon the printed circuit layout. See “Applications Information.”
Absolute Maximum Ratings (Note 1)
Supply Voltage (V
IN) .................................................... 6.5V
Enable Voltage (V
EN) ................................................. +6.5V
Storage Temperature (T
S) ....................... –65°C to +150°C
Lead Temperature (soldering, 5 sec.) ....................... 260
°C
ESD ......................................................................... Note 3
Operating Ratings (Note 2)
Supply Voltage (V
IN) .................................... +2.25V to +6V
Enable Voltage (V
EN) ......................................... 0V to +6V
Maximum Power Dissipation (P
D(max)) ..................... Note 4
Junction Temperature (T
J) ....................... –40°C to +125°C
Package Thermal Resistance
MSOP-8
JA) ...................................................... 80°C/W


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