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TC1240 Datenblatt(Datasheet) 6 Page - TelCom Semiconductor, Inc

Teile-Nr. TC1240
Beschreibung  Positive Doubling Charge Pump with Shutdown in SOT Package
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Hersteller  TELCOM [TelCom Semiconductor, Inc]
Homepage  http://www.telcom-semi.com
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TC1240
6
TC1240-1 7/7/00
Positive Doubling Charge Pump with
Shutdown in SOT Package
Figure 6 is a schematic of the TC1240 Demo Card, and
Figure 7 shows the assembly drawing and artwork for the
board. Table 3 lists the voltages that are monitored by the
test points and Table 4 lists the currents that can be
measured using the jumpers or the specific jumper function.
Figure 7. TC1240 Demo Card Assembly Drawing and Artwork
Table 3. TC1240 Demo Card Test Points
TEST POINT
VOLTAGE MEASUREMENT
TP1
DEMO CARD POWER SUPPLY
INPUT[+2.5V to +4.0V]
TP2
GROUND
TP3
GROUND
TP4
TC1240 OUTPUT (2 x VIN)
TP5
TC1240 SHDN INPUT
TP6
TC1240 VIN SUPPLY VOLTAGE
TP7
EXTERNAL SHDN INPUT
Table 4. TC1240 Demo Card Jumpers
JUMPER
CURRENT MEASUREMENT / JUMPER
FUNCTION
J1
TC1240 QUIESCENT CURRENT
J2
TC1240 LOAD CURRENT
J3
TC1240 SHDN INPUT CURRENT
J4
CONNECT EXTERNAL SHDN INPUT TO
VIN (i.e. SHDN ENABLE)




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