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參數(shù)資料
| 型號： | TC7660IJA |
| 廠商： | TelCom Semiconductor, Inc. |
| 英文描述： | CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER |
| 中文描述： | 電荷泵型DC - DC電壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 131K |
| 代理商： | TC7660IJA |
4-52
TELCOM SEMICONDUCTOR, INC.
TC7660
CHARGE PUMP DC-TO-DC
VOLTAGE CONVERTER
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage ...................................................... +10.5V
LV and OSC Inputs
Voltage (Note 1) ........................ – 0.3V to (V
+
+ 0.3V)
for V
+
< 5.5V
(V
+
– 5.5V) to (V
+
+ 0.3V)
for V
+
> 5.5V
Current Into LV (Note 1).....................20
μ
A for V
+
> 3.5V
Output Short Duration (V
SUPPLY
≤
5.5V) .........Continuous
Power Dissipation (T
A
≤
70
°
C) (Note 2)
CerDIP ............................................................800mW
Plastic DIP ......................................................730mW
SOIC...............................................................470mW
Operating Temperature Range
C Suffix ..................................................0
°
C to +70
°
C
I Suffix...............................................– 25
°
C to +85
°
C
E Suffix .............................................– 40
°
C to +85
°
C
M Suffix...........................................– 55
°
C to +125
°
C
Storage Temperature Range ................– 65
°
C to +150
°
C
Lead Temperature (Soldering, 10 sec) .................+300
°
C
*Static-sensitive device. Unused devices must be stored in conductive
material. Protect devices from static discharge and static fields. Stresses
above those listed under "Absolute Maximum Ratings" may cause perma-
nent damage to the device. These are stress ratings only and functional
operation of the device at these or any other conditions above those
indicated in the operation sections of the specifications is not implied.
Exposure to absolute maximum rating conditions for extended periods
may affect device reliability.
ELECTRICAL CHARACTERISTICS:
Specifications Measured Over Operating Temperature Range With,
V
+
= 5V, C
OSC
= 0, Test Circuit (Figure 1), unless otherwise indicated.
Symbol
Parameter
Test Conditions
R
L
=
∞
V
+H
Supply Voltage Range, High
Min
≤
T
A
≤
Max,
R
L
= 10 k
, LV Open
V
+L
Supply Voltage Range, Low
Min
≤
T
A
≤
Max,
R
L
= 10 k
, LV to GND
R
OUT
Output Source Resistance
I
OUT
= 20mA, T
A
= 25
°
C
I
OUT
= 20mA, 0
°
C
≤
T
A
≤
+70
°
C
(C Device)
I
OUT
= 20mA, – 40
°
C
≤
T
A
≤
+85
°
C
(I Device)
I
OUT
= 20mA, – 55
°
C
≤
T
A
≤
+125
°
C
(M Device)
V
+
= 2V, I
OUT
= 3 mA, LV to GND
0
°
C
≤
T
A
≤
+70
°
C
V
+
= 2V, I
OUT
= 3 mA, LV to GND
– 55
°
C
≤
T
A
≤
+125
°
C (Note 3)
F
OSC
Oscillator Frequency
Pin 7 open
P
EFF
Power Efficiency
R
L
= 5 k
V
OUT
E
FF
Voltage Conversion Efficiency
Z
OSC
Oscillator Impedance
V
+
= 2V
V
+
= 5V
NOTES:
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 TC7660.
2. Derate linearly above 50
°
C by 5.5 mW/
°
C.
3. TC7660M only.
4. The TC7660 can be operated without the Dx diode over full temperature and voltage range.
Min
Typ
Max
Unit
I+
Supply Current
—
3
80
—
180
10
μ
A
V
1.5
—
3.5
V
—
—
70
—
100
120
—
—
130
—
104
150
—
150
300
—
160
600
—
95
97
—
—
10
98
99.9
1
100
—
—
—
—
—
kHz
%
%
M
k
R
L
=
∞
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