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參數(shù)資料
| 型號： | MAX660 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | CMOS Monolithic Voltage Converter |
| 中文描述： | CMOS單片電壓變換器 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 259K |
| 代理商： | MAX660 |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V+ to GND, or GND to OUT)
LV
FC, OSC
6V
(OUT 0.3V) to (GND + 3V)
The least negative of (OUT 0.3V)
or (V+ 6V) to (V+ + 0.3V)
V+ and OUT Continuous Output Current
Output Short-Circuit Duration to GND (Note 2)
Electrical Characteristics
Limits in standard typeface are for T
= 25C, and limits in
boldface
type apply over the full operating temperature range. Un-
less otherwise specified: V+ = 5V, FC = Open, C
1
= C
2
= 150 μF. (Note 4)
Symbol
Parameter
V+
Supply Voltage
R
L
= 1k
120 mA
1 sec.
Power Dissipation
(T
A
= 25C) (Note 3)
T
J
Max (Note 3)
θ
JA
(Note 3)
Operating Junction Temp. Range
Storage Temperature Range
Lead Temperature
(Soldering, 10 seconds)
ESD Rating
735 mW
150C
170C/W
40C to +85C
65C to +150C
300C
2 kV
Condition
Inverter, LV = Open
(Note 5)
Inverter, LV = GND
Doubler, LV = OUT
FC = Open
FC = V+
Min
3.5
Typ
Max
5.5
Units
1.5
2.5
5.5
5.5
0.5
V
I
Q
Supply Current
No Load
LV = Open
0.12
mA
1
3
I
L
Output Current
T
A
≤
+85C, OUT
≤
4V
T
A
>
+85C, OUT
≤
3.8V
I
L
= 100 mA
100
100
mA
R
OUT
Output Resistance (Note 6)
T
A
≤
+85C
T
A
>
+85C
FC = Open
FC = V+
6.5
10
12
F
OSC
Oscillator Frequency
OSC = Open
5
10
80
±
2
±
16
98
96
88
99.96
kHz
40
I
OSC
OSC Input Current
FC = Open
FC = V+
R
L
(1k) between V
+
and OUT
R
L
(500
) between GND and OUT
I
L
= 100 mA to GND
No Load
μA
P
EFF
Power Efficiency
96
92
%
V
OEFF
Voltage Conversion Efficiency
99
%
Note 1:
Absolute maximum ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its rated operating conditions.
Note 2:
OUT may be shorted to GND for one second without damage. However, shorting OUT to V+ may damage the device and should be avoided. Also, for tem-
peratures above 85C, OUT must not be shorted to GND or V+, or device may be damaged.
Note 3:
The maximum allowable power dissipation is calculated by using P
= (T
T
)/
θ
, where T
JMax
is the maximum junction temperature, T
A
is the
ambient temperature, and
θ
JA
is the junction-to-ambient thermal resistance of the specified package.
Note 4:
In the test circuit, capacitors C
1
and C
2
are 0.2
maximum ESR capacitors. Capacitors with higher ESR will increase output resistance, reduce output volt-
age and efficiency.
Note 5:
The minimum limit for this parameter is different from the limit of 3.0V for the industry-standard “660” product. For inverter operation with supply voltage be-
low 3.5V, connect the LV pin to GND.
Note 6:
Specified output resistance includes internal switch resistance and capacitor ESR.
M
www.national.com
2
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