參數(shù)資料
型號(hào): LTC1044AI
廠商: Linear Technology Corporation
英文描述: 12V CMOS Voltage Converter
中文描述: 12V的CMOS電壓轉(zhuǎn)換器
文件頁(yè)數(shù): 2/12頁(yè)
文件大?。?/td> 275K
代理商: LTC1044AI
2
LTC1044A
U
PACKAGE/ORDER U
ABSOLUTEW
(Note 1)
Supply Voltage ........................................................ 13V
Input Voltage on Pins 1, 6 and 7
(Note 2).............................. –0.3V < V
IN
< V
+
+ 0.3V
Current into Pin 6 ................................................. 20
μ
A
Output Short-Circuit Duration
V
+
6.5V .................................................Continuous
Operating Temperature Range
LTC1044AC ............................................ 0
°
C to 70
°
C
LTC1044AI ........................................ –40
°
C to 85
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
W W
U
ORDER PART
NUMBER
T
JMAX
= 110
°
C,
θ
JA
= 100
°
C/W
ORDER PART
NUMBER
1
2
3
4
8
7
6
5
TOP VIEW
BOOST
CAP
+
GND
CAP
V
+
OSC
LV
V
OUT
N8 PACKAGE
8-LEAD PLASTIC DIP
S8 PART MARKING
1044A
1044AI
LTC1044ACN8
LTC1044AIN8
LTC1044ACS8
LTC1044AIS8
T
JMAX
= 110
°
C,
θ
JA
= 130
°
C/W
1
2
3
4
8
7
6
5
TOP VIEW
V
+
OSC
LV
V
OUT
BOOST
CAP
+
GND
CAP
S8 PACKAGE
8-LEAD PLASTIC SOIC
LTC1044AC
TYP
60
15
LTC1044AI
TYP
60
15
SYMBOL
I
S
PARAMETER
Supply Current
CONDITIONS
R
L
=
, Pins 1 and 7, No Connection
R
L
=
, Pins 1 and 7, No Connection,
V
+
= 3V
R
L
= 10k
R
L
= 10k
I
L
= 20mA, f
OSC
= 5kHz
MIN
MAX
200
MIN
MAX
200
UNITS
μ
A
μ
A
Minimum Supply Voltage
Maximum Supply Voltage
Output Resistance
G
1.5
1.5
V
V
G
12
100
120
310
12
100
130
325
R
OUT
G
G
V
+
= 2V, I
L
= 3mA, f
OSC
= 1kHz
V
+
= 5V, (Note 3)
V
+
= 2V
R
L
= 5k, f
OSC
= 5kHz
R
L
=
V
OSC
= 0V or V
+
Pin 1 (BOOST) = 0V
Pin 1 (BOOST) = V
+
f
OSC
Oscillator Frequency
G
G
5
1
5
1
kHz
kHz
%
%
P
EFF
Power Efficiency
Voltage Conversion Efficiency
Oscillator Sink or Source
Current
95
97
98
99.9
95
97
98
99.9
G
G
3
3
μ
A
μ
A
20
20
ELECTRICAL C
HARA TERISTICS
V
+
= 5V, C
OSC
= 0pF, T
A
= 25
°
C, See Test Circuit, unless otherwise noted.
The
G
denotes specifications which apply over the full operating
temperature range; all other limits and typicals T
A
= 25
°
C.
Note 1:
Absolute maximum ratings are those values beyond which the life
of a device may be impaired.
Note 2:
Connecting any input terminal to voltages greater than V
+
or less
than ground may cause destructive latch-up. It is recommended that no
inputs from sources operating from external supplies be applied prior to
power-up of the LTC1044A.
Note 3:
f
OSC
is tested with C
OSC
= 100pF to minimize the effects of test
fixture capacitance loading. The 0pF frequency is correlated to this 100pF
test point, and is intended to simulate the capacitance at pin 7 when the
device is plugged into a test socket and no external capacitor is used.
Consult factory for Military grade parts
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