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TC168x डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Inverting Charge Pump Voltage Doublers with Active High Shutdown - Microchip Technology

भाग संख्या TC168x
समारोह Inverting Charge Pump Voltage Doublers with Active High Shutdown
मैन्युफैक्चरर्स Microchip Technology 
लोगो Microchip Technology लोगो 
पूर्व दर्शन
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<?=TC168x?> डेटा पत्रक पीडीएफ

TC168x pdf
TC1682/TC1683/TC1684
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Input Voltage (VIN to GND)....................... +6.0V, -0.3V
Output Voltage (VOUT to GND)............... -12.0V, +0.3V
Current at VOUT Pin.............................................20mA
Short-Circuit Duration VOUT to GND ..............Indefinite
Power Dissipation (TA 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: TA = -40°C to +85°C, VIN = +5V, C1 = C2 = 3.3µF (TC1682), C1 = C2 = 1µF (TC1683),
C1 = C2 = 0.33µF (TC1684), SHDN = GND, Typical values are at TA = +25°C
Symbol
Parameter
Min Typ Max Units Device
Test Conditions
IDD Supply Current
95 160 µA TC1682
225 480
TC1683
700 1500
TC1684
ISHDN Shutdown Supply Current
0.5
2
µA All
SHDN = VIN = +5V
VMIN
Minimum Supply Voltage
1.8
V All
RLOAD = 1k
VMAX
Maximum Supply Voltage
— — 5.5
V All
RLOAD = 1k
FOSC
Oscillator Frequency
8.4 12
24.5 35
65 125
15.6
45.5
170
kHz TC1682
TC1683
TC1684
VIH SHDN Input Logic High
1.4
V All
VIN = VMIN to VMAX
VIL SHDN Input Logic Low
— — 0.4
V All
VIN = VMIN to VMAX
VEFF
Voltage Conversion Efficiency
95 99
% All
RLOAD =
ROUT
Output Resistance
120 170
All
ILOAD = 0.5mA to 10mA (Note 1)
TWK
Wake-up Time From Shutdown Mode
1800
600
µsec TC1682 RLOAD = 2k
TC1683
200
TC1684
Note 1: Capacitor contribution is approximately 20% of the output impedance (ESR = 1/ pump frequency x capacitance).
DS21537B-page 2
2002 Microchip Technology Inc.

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