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參數資料
| 型號： | MC7660 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Charge Pump DC-to-DC Voltage Converter |
| 中文描述： | 電荷泵型DC - DC電壓轉換器 |
| 文件頁數： | 2/12頁 |
| 文件大小： | 191K |
| 代理商： | MC7660 |
MC7660
http://onsemi.com
2
ABSOLUTE MAXIMUM RATINGS*
Parameter
Value
Unit
Supply Voltage
+10.5
V
LV and OSC Inputs Voltage
(Note 1.)
V+ < 5.5V
V+ > 5.5V
–0.3 to (V+ + 0.3)
(V+ – 5.5) to (V+ + 0.3)
V
Current Into LV
(Note 1.) V+ > 3.5V
20
μ
A
Output Short Duration (VSUPPLY
≤
5.5V)
Power Dissipation (TA
≤
70
°
C)
Derate above 50
°
C
Continuous
470
5.5
mW
mW/
°
C
Operating Temperature Range
–40 to +85
°
C
Storage Temperature Range
–65 to +150
°
C
Lead Temperature (Soldering, 10 Seconds)
+300
°
C
* Maximum Ratings are those values beyond which damage to the device may occur.
1. Connecting any input terminal to voltages greater than V+ or less than GND 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 MC7660.
ELECTRICAL CHARACTERISTICS
(Specifications Measured Over Operating Temperature Range, V+ = 5V, COSC = 0,
Test Circuit
(Figure 1),
unless otherwise noted.
Symbol
I+
Characteristic
Min
Typ
Max
Unit
Supply Current (RL =
)
—
80
180
μ
A
V+H
Supply Voltage Range, High
(–40
°
C
≤
TA
≤
+85
°
C, RL = 10 k , LV Open)
3.0
—
10
V
V+L
Supply Voltage Range, Low
(–40
°
C
≤
TA
≤
+85
°
C, RL = 10 k , LV to GND)
1.5
—
3.5
V
ROUT
Output Source Resistance
IOUT = 20mA, TA = 25
°
C
IOUT = 20mA, 0
°
C
≤
TA
≤
+70
°
C
IOUT = 20mA, –40
°
C
≤
TA
≤
+85
°
C
V+ =2V, IOUT = 3 mA, LV to GND, 0
°
C
≤
TA
≤
+70
°
C
Oscillator Frequency (Pin 7 Open)
—
—
—
—
70
—
—
150
100
120
130
300
FOSC
—
10
—
kHz
PEFF
Power Efficiency (RL = 5k )
95
98
—
%
VOUT EFF
Voltage Conversion Efficiency
97
99.9
—
%
ZOSC
Oscillator Impedance
V+ = 2V
V+ = 5V
—
—
1000
100
—
—
k
*NOTE:
For large values of COSC (>1000 pF), the values
of C1 and C2 should be increased to 100 F.
MC7660
1
2
3
4
8
7
6
5
+
+
V+
COSC*
C1
10 F
C2
10 F
IS
VO
IL
RL
(+6 V)
Figure 1. MC7660 Test Circuit
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