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MIC3975BMM Datenblatt(PDF) 3 Page - Micrel Semiconductor

Teilenummer MIC3975BMM
Bauteilbeschribung  750mA UCap Low-Voltage Low-Dropout Regulator
PDF  12 Pages
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Hersteller  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC3975BMM Datenblatt(HTML) 3 Page - Micrel Semiconductor

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February 2003
3
MIC3975
MIC3975
Micrel
Electrical Characteristics(Note 12)
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 ≤ 8V
–22
%
Line Regulation
I
OUT = 10mA, VOUT + 1V ≤ VIN ≤ 16V
0.06
0.5
%
Load Regulation
V
IN = VOUT + 1V, 10mA ≤ IOUT ≤ 750mA,
0.2
1
%
∆V
OUT/∆T
Output Voltage Temp. Coefficient,
40
100
ppm/
°C
Note 5
V
DO
Dropout Voltage, Note 6
I
OUT = 100mA, ∆VOUT = –1%
140
200
mV
250
mV
I
OUT = 500mA, ∆VOUT = –1%
225
mV
I
OUT = 750mA, ∆VOUT = –1%
300
500
mV
I
GND
Ground Current, Note 7
I
OUT = 100mA, VIN = VOUT + 1V
400
µA
I
OUT = 500mA, VIN = VOUT + 1V
4
mA
I
OUT = 750mA, VIN = VOUT + 1V
7.5
15
mA
I
OUT(lim)
Current Limit
V
OUT = 0V, VIN = VOUT + 1V
1.8
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
15
30
µA
75
µA
V
EN = 0.8V
2
µA
4
µA
Flag Output
I
FLG(leak)
Output Leakage Current
V
OH = 16V
0.01
1
µA
2
µA
V
FLG(do)
Output Low Voltage
V
IN = 2.250V, IOL, = 250µA, Note 9
210
300
mV
400
mV
V
FLG
Low Threshold
% of V
OUT
93
%
High Threshold
% of V
OUT
99.2
%
Hysteresis
1%
Absolute Maximum Ratings (Note 1)
Supply Voltage (V
IN) ..................................... –20V to +20V
Enable Voltage (V
EN) .................................................. +20V
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 +16V
Enable Voltage (V
EN) .................................................. +16V
Maximum Power Dissipation (P
D(max)) .................... Note 4
Junction Temperature (T
J) ....................... –40°C to +125°C
Package Thermal Resistance
MSOP-8
(θ
JA) ...................................................... 80°C/W



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