- 您现在的位置：买卖IC网 > PDF目录66269 > TC1221ECHRT 0.05 A SWITCHED CAPACITOR CONVERTER, 169 kHz SWITCHING FREQ-MAX, PDSO6 PDF资料下载
参数资料
| 型号： | TC1221ECHRT |
| 元件分类： | 稳压器 |
| 英文描述： | 0.05 A SWITCHED CAPACITOR CONVERTER, 169 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | SOT-23A, 6 PIN |
| 文件页数： | 1/9页 |
| 文件大小： | 101K |
| 代理商： | TC1221ECHRT |
TC1221/1222-2 5/4/00
TelCom Semiconductor reserves the right to make changes in the circuitry and specifications of its devices.
TC1221
TC1222
High Frequency Switched Capacitor Voltage Converters with
Shutdown in SOT Packages
FEATURES
s
Charge Pumps in 6-Pin SOT-23A Package
s
96% Voltage Conversion Efficiency
s
Voltage Inversion and/or Doubling
s
Operates from +1.8V to +5.5V
s
Up to 25 mA Output Current
s
Only Two External Capacitors Required
s
Power-Saving Shutdown Mode
s
Fully Compatible with 1.8V Logic Systems
APPLICATIONS
s
LCD Panel Bias
s
Cellular Phones
s
Pagers
s
PDAs, Portable Dataloggers
s
Battery-Powered Devices
GENERAL DESCRIPTION
The TC1221/1222 are CMOS “charge-pump” voltage
converters in ultra-small 6-Pin SOT-23A packages. They
invert and/or double an input voltage which can range from
+1.8V to +5.5V. Conversion efficiency is typically 96%.
Switching frequency is 125 KHz for the TC1221, 750KHz for
the TC1222. When the shutdown pin is held at a logic low,
the device goes into a very low power mode of operation,
consuming less than 1
A of supply current.
For standard voltage inverter applications, the device
requires only two external capacitors. With a few additional
components a positive doubler can also be built. All other
circuitry, including control, oscillator, power MOSFETs are
integrated on-chip. Typical supply currents are 290
A
(TC1221) and 1800
A (TC1222).
All devices are available in 6-Pin SOT-23A surface
mount packages.
TYPICAL OPERATING CIRCUIT
ORDERING INFORMATION
Osc. Freq.
Temperature
Part No.
Package
(KHz)
Range
TC1221ECH
6-Pin SOT-23A
125
– 40
°C to +85°C
TC1222ECH
6-Pin SOT-23A
750
– 40
°C to +85°C
PIN CONFIGURATION
6-Pin SOT-23A*
NOTE: * 6-Pin SOT-23A is equivalent to EIAJ SC-74
Negative Voltage Inverter
TC1221
TC1222
VIN
V–
OUTPUT
C+
C–
C1
C2
INPUT
GND
OUT
SHDN
ON
OFF
C+
C–
OUT
TC1221ECT
TC1222ECT
1
2
3
6
GND
VIN
4
5
SHDN
相关PDF资料 |
PDF描述 |
|---|---|
| TC1221ECHTR | 0.05 A SWITCHED CAPACITOR CONVERTER, 169 kHz SWITCHING FREQ-MAX, PDSO6 |
| TC1225EUART | 0.01 A SWITCHED CAPACITOR CONVERTER, 12 kHz SWITCHING FREQ-MAX, PDSO8 |
| TC1232COERT | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO16 |
| TC1232EOETR | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO16 |
| TC1232EOA723 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1221ECHTR | 功能描述:电荷泵 Hi Freq Switched CAP RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| TC1222 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High Frequency Switched Capacitor Voltage Converters with Shutdown in SOT Packages |
| TC1222ECH | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High Frequency Switched Capacitor Voltage Converters with Shutdown in SOT Packages |
| TC1222ECHTR | 功能描述:电荷泵 Hi Freq Switched CAP RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| TC12-22SRWA | 制造商:Kingbright Corporation 功能描述: |
发布紧急采购，3分钟左右您将得到回复。