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參數(shù)資料
| 型號： | TC1684EUA |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Inverting Charge Pump Voltage Doublers with Active High Shutdown |
| 中文描述： | 反相電荷泵倍壓器與Active高斷 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 406K |
| 代理商： | TC1684EUA |
TC1682/TC1683/TC1684
DS21537B-page 2
2002 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Input Voltage (V
IN
to GND)....................... +6.0V, -0.3V
Output Voltage (V
OUT
to GND)............... -12.0V, +0.3V
Current at V
OUT
Pin.............................................20mA
Short-Circuit Duration V
OUT
to GND ..............Indefinite
Power Dissipation (T
A
≤
70
°
C)
8-Pin MSOP .............................................320mW
Operating Temperature Range.............-40
°
C to +85
°
C
Storage Temperature (Unbiased).......-65
°
C to +150
°
C
*Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent 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.
TC1682/TC1683/TC1684 ELECTRICAL SPECIFICATIONS
Electrical Characteristics:
T
A
= -40
°
C to +85
°
C, V
IN
= +5V, C1 = C2 = 3.3
μ
F (TC1682), C1 = C2 = 1
μ
F (TC1683),
C1 = C2 = 0.33
μ
F (TC1684), SHDN = GND, Typical values are at T
A
= +25
°
C
Symbol
Parameter
Min
Typ
Max
Units
Device
Test Conditions
I
DD
Supply Current
—
—
—
—
95
225
700
0.5
160
480
1500
2
μ
A
TC1682
TC1683
TC1684
All
I
SHDN
Shutdown Supply Current
μ
A
SHDN = V
IN
= +5V
R
LOAD
= 1k
R
LOAD
= 1k
V
MIN
Minimum Supply Voltage
1.8
—
—
V
All
V
MAX
Maximum Supply Voltage
—
—
5.5
V
All
F
OSC
Oscillator Frequency
8.4
24.5
65
1.4
12
35
125
—
15.6
45.5
170
—
kHz
TC1682
TC1683
TC1684
All
V
IH
SHDN Input Logic High
V
V
IN
= V
MIN
to V
MAX
V
IL
SHDN Input Logic Low
—
—
0.4
V
All
V
IN
= V
MIN
to V
MAX
R
LOAD
=
∞
V
EFF
Voltage Conversion Efficiency
95
99
—
%
All
R
OUT
Output Resistance
—
120
170
All
I
LOAD
= 0.5mA to 10mA (Note 1)
R
LOAD
= 2k
T
WK
Wake-up Time From Shutdown Mode
—
—
—
1800
600
200
—
—
—
μ
sec
TC1682
TC1683
TC1684
Note
1:
Capacitor contribution is approximately 20% of the output impedance (ESR = 1/ pump frequency x capacitance).
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