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參數(shù)資料
| 型號： | LTC660 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 100mA CMOS Voltage Converter |
| 中文描述： | 100mA的CMOS電壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 262K |
| 代理商： | LTC660 |
2
LTC660
ABSOLUTE
AXI
U
RATIU
W
(Note 1)
W
W
PACKAGE/ORDER I
FOR
ATIO
W
U
U
Supply Voltage (V
+
).................................................. 6V
Input Voltage on Pins 1, 6, 7
(Note 2)............................ –0.3V < V
IN
< (V
+
+ 0.3V)
Output Short-Circuit Duration to GND
(Note 5)............................................................. 1 sec
Power Dissipation.............................................. 500mW
Operating Temperature Range.................... 0
°
C to 70
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
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 PACKAGE
8-LEAD PLASTIC SOIC
660
T
JMAX
= 100
°
C,
θ
JA
= 100
°
C/W (N)
T
JMAX
= 100
°
C,
θ
JA
= 150
°
C/W (S)
Consult Factory for Industrial and Military grade parts.
LTC660CN8
LTC660CS8
ORDER PART
NUMBER
S8 PART MARKING
SYMBOL PARAMETER
Supply Voltage
CONDITIONS
R
L
= 1k
MIN
3
1.5
2.5
TYP
MAX
5.5
5.5
5.5
0.5
3
UNITS
Inverter, LV = Open
Inverter, LV = GND
Doubler, LV = V
OUT
Boost = Open
Boost = V
+
G
G
G
V
V
V
I
S
Supply Current
No Load
G
G
0.08
0.23
mA
mA
mA
kHz
kHz
%
%
%
%
μ
A
μ
A
I
OUT
R
OUT
f
OSC
Output Current
Output Resistance
Oscillator Frequency
V
OUT
More Negative Than –4V
I
L
= 100mA (Note 3)
Boost = Open
Boost = V
+
(Note 4)
R
L
= 1k Connected Between V
+
and V
OUT
R
L
= 500
Connected Between V
OUT
and GND
I
L
= 100mA to GND
No Load
Boost = Open
Boost = V
+
G
100
G
6.5
10
80
98
96
88
99.96
±
1.1
±
5.0
10
Power Efficiency
G
G
96
92
Voltage Conversion Efficiency
Oscillator Sink or Source Current
99
V
+
= 5V, C1
and C2
= 150
μ
F, Boost = Open, C
OSC
= 0pF, T
A
= 25
°
C, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
The
G
denotes specifications which apply over the full operating
temperature range; all other limits and typicals are at 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 source operating from external supplies be applied prior to
power-up of the LTC660.
Note 3:
The output resistance is a combination of internal switch
resistance and external capacitor ESR. To maximize output voltage and
efficiency, keep external capacitor ESR < 0.2
.
Note 4:
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.
Note 5:
OUT may be shorted to GND for 1 sec without damage, but
shorting OUT to V
+
may damage the device and should be avoided. Also,
for temperatures above 85
°
C, OUT must not be shorted to GND or V
+
,
even instantaneously, or device damage may result.
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