Motor de Búsqueda de Datasheet de Componentes Electrónicos
  Spanish  ▼
ALLDATASHEET.ES

X  

TC1221ECH Datasheet(PDF) 6 Page - Microchip Technology

No. de pieza TC1221ECH
Descripción Electrónicos  High-Frequency Switched Capacitor Voltage Converters with Shutdown in SOT Packages
Download  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TC1221ECH Datasheet(HTML) 6 Page - Microchip Technology

Back Button TC1221ECH Datasheet HTML 2Page - Microchip Technology TC1221ECH Datasheet HTML 3Page - Microchip Technology TC1221ECH Datasheet HTML 4Page - Microchip Technology TC1221ECH Datasheet HTML 5Page - Microchip Technology TC1221ECH Datasheet HTML 6Page - Microchip Technology TC1221ECH Datasheet HTML 7Page - Microchip Technology TC1221ECH Datasheet HTML 8Page - Microchip Technology TC1221ECH Datasheet HTML 9Page - Microchip Technology TC1221ECH Datasheet HTML 10Page - Microchip Technology Next Button
Zoom Inzoom in Zoom Outzoom out
 6 / 16 page
background image
TC1221/TC1222
DS20001367C-page 6
 2002-2014 Microchip Technology Inc.
Table 4-1 shows various values of C1 and the
corresponding output resistance values @ +25°C. It
assumes a 0.1
 ESR
C1 and 2 RSWITCH. Table 4-2
shows the output voltage ripple for various values of
C2. The VRIPPLE values assume 10mA output load
current and 0.1
 ESR
C2.
TABLE 4-1:
OUTPUT RESISTANCE
VS. C1 (ESR = 0.1
)
TABLE 4-2:
OUTPUT VOLTAGE RIPPLE
VS. C2 (ESR = 0.1
)
IOUT 10mA
4.4
Input Supply Bypassing
The VIN input should be capacitively bypassed to
reduce AC impedance and minimize noise effects due
to the internal switching of the device. The recom-
mended capacitor depends on the configuration of the
TC1221/TC1222.
4.5
Shutdown Input
The TC1221/TC1222 is enabled when SHDN is high,
and disabled when SHDN is low. This input cannot be
allowed to float. The SHDN input should be limited to
0.5V above VIN to avoid significant current flows.
4.6
Voltage Inverter
The most common application for charge pump
devices is the inverter (Figure 4-3). This application
uses two external capacitors: C1 and C2 (plus a power
supply bypass capacitor, if necessary). The output is
equal to -VIN plus any voltage drops due to loading.
Refer
to
Table 4-1
and
Table 4-2
for
capacitor
selection.
FIGURE 4-3:
VOLTAGE INVERTER
TEST CIRCUIT
C1 (
F)
TC1221
ROUT()
TC1222
ROUT()
0.22
52.9
22.6
0.33
40.8
20.5
0.47
33.5
19.4
1.0
25
17.8
C2 (
F)
TC1221
VRIPPLE (mV)
TC1222
VRIPPLE (mV)
0.22
184
32
0.33
123
22
0.47
87
16
1.0
42
9
3
2
4
5
1
C3
C1
C2
VIN
VOUT
RL
TC1221
TC1220
C1–
IN
OUT
C1+
GND
Device
C1
C2
C3
TC1221
1
μF
1
μF
1
μF
TC1222
0.22
μF
0.22
μF
0.22
μF
SHDN
6
+
+
+


Número de pieza similar - TC1221ECH

Fabricante ElectrónicoNo. de piezaDatasheetDescripción Electrónicos
logo
Microchip Technology
TC1221ECH MICROCHIP-TC1221ECH Datasheet
462Kb / 16P
   High Frequency Switched Capacitor Voltage Converters with Shutdown in SOT Packages
2002
TC1221ECH MICROCHIP-TC1221ECH Datasheet
469Kb / 16P
   High Frequency Switched Capacitor Voltage Converters with Shutdown in SOT Packages
03/01/02
TC1221ECHTR MICROCHIP-TC1221ECHTR Datasheet
469Kb / 16P
   High Frequency Switched Capacitor Voltage Converters with Shutdown in SOT Packages
03/01/02
More results

Descripción similar - TC1221ECH

Fabricante ElectrónicoNo. de piezaDatasheetDescripción Electrónicos
logo
Microchip Technology
TC1221 MICROCHIP-TC1221 Datasheet
462Kb / 16P
   High Frequency Switched Capacitor Voltage Converters with Shutdown in SOT Packages
2002
TC1221ECHTR MICROCHIP-TC1221ECHTR Datasheet
469Kb / 16P
   High Frequency Switched Capacitor Voltage Converters with Shutdown in SOT Packages
03/01/02
TC1219 MICROCHIP-TC1219 Datasheet
482Kb / 16P
   Switched Capacitor Voltage Converters with Shutdown in SOT Packages
2002
logo
Analog Devices
ADM8829 AD-ADM8829_15 Datasheet
76Kb / 6P
   Switched-Capacitor Voltage Inverter with Shutdown
REV. A
logo
Global Mixed-mode Techn...
G5930 GMT-G5930_15 Datasheet
65Kb / 1P
   Switched Capacitor Voltage Inverter with Shutdown
logo
Analog Devices
ADM8828ART-REEL AD-ADM8828ART-REEL Datasheet
69Kb / 6P
   Switched-Capacitor Voltage Inverter with Shutdown
REV. A
ADM8828ARTZ AD-ADM8828ARTZ Datasheet
69Kb / 6P
   Switched-Capacitor Voltage Inverter with Shutdown
REV. A
logo
Global Mixed-mode Techn...
G5930 GMT-G5930 Datasheet
311Kb / 8P
   Switched Capacitor Voltage Inverter with Shutdown
logo
ON Semiconductor
MAX1720 ONSEMI-MAX1720 Datasheet
182Kb / 18P
   Switched Capacitor Voltage Inverter with Shutdown
December, 2005 ??Rev. 3
logo
Analog Devices
ADM8828 AD-ADM8828 Datasheet
67Kb / 6P
   Switched-Capacitor Voltage Inverter with Shutdown
REV. A
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16


Datasheet Descarga

Go To PDF Page


Enlace URL




Política de Privacidad
ALLDATASHEET.ES
¿ALLDATASHEET es útil para Ud.?  [ DONATE ] 

Todo acerca de Alldatasheet   |   Publicidad   |   Contáctenos   |   Política de Privacidad   |   Intercambio de Enlaces   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com