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TC1121 View Datasheet(PDF) - Microchip Technology

Part Name
Description
MFG CO.
TC1121 Datasheet PDF : 14 Pages
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TC1121
2.0 PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1: PIN FUNCTION TABLE
Pin No.
(8-Pin MSOP,
PDIP, SOIC)
1
2
3
4
5
6
7
8
Symbol
Description
FC
CAP+
GND
CAP
OUT
SHDN
OSC
V+
Frequency control for internal oscillator, FC = open, FOSC = 10 kHz typ; FC = V+, FOSC
= 200 kHz typ; FC has no effect when OSC pin is driven externally.
Charge-pump capacitor, positive terminal.
Power-supply ground input.
Charge-pump capacitor, negative terminal.
Output, negative voltage.
Shutdown.
Oscillator control input. An external capacitor can be added to slow the oscillator. Take
care to minimize stray capacitance. An external oscillator also may be connected to
overdrive OSC.
Power-supply positive voltage input.
DS21358C-page 4
© 2006 Microchip Technology Inc.

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