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參數(shù)資料
| 型號： | TC110333ECTRT |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | EIAJ, SC-74A, SOT-23A, 5 PIN |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 93K |
| 代理商： | TC110333ECTRT |
PFM/PWM Step-Up DC/DC Controller
FEATURES
s
Space-Saving 5-Pin SOT-23A Package
s
Guaranteed Start-Up at 0.9V
s
50
A (Typ) Supply Current (fOSC = 100 KHz)
s
300 mA Output Current @ VIN
≥ 2.7V
s
0.5
A Shutdown Mode
s
100 KHz and 300 KHz Switching Frequency Options
s
Programmable Soft-Start
s
84% Efficiency
TYPICAL APPLICATIONS
s
Palmtops
s
Battery Powered Systems
s
Positive LCD Bias Generators
s
Portable Communicators
GENERAL DESCRIPTION
The TC110 is a step-up (Boost) switching controller that
furnishes output currents as high as 300 mA while delivering
a typical efficiency of 84%. The TC110 normally operates in
pulse width modulation mode (PWM), but automatically
switches to pulse frequency modulation (PFM) at low output
loads for greater efficiency. Supply current draw for the 100
KHz version is typically only 50
A, and is reduced to less
than 0.5
A when the SHDN input is brought low. Regulator
operation is suspended during shutdown.
Housed in a tiny 5-pin SOT-23A package, the TC110
occupies minimum board space, and uses tiny external
components (the 300 KHz version allows for less than 5 mm
surface-mount magnetics).
The TC110 accepts input voltages from 2.0V to 10.0V,
with a guaranteed start-up voltage of 0.9V.
TC110
TC110-2 5/24/99
TYPICAL OPERATING CIRCUIT
5
4
TC110
1
3
2
3V to 5V Supply
SHDN/SS
VDD
EXT
GND
IN5817
D1
47
F
Tantalum
Si9410DY
47
H
10
F
Battery
3V
VOUT
VOUT
R
*RC Optional
C
ON
OFF
+
ORDERING INFORMATION
Output
Osc. Operating
Part
Voltage*
Freq.
Temp.
Number
(V)
Package
(KHz)
Range
TC110501ECT 5.0 5-Pin SOT-23A 100 –40 to +85
°C
TC110331ECT 3.3 5-Pin SOT-23A 100 –40 to +85
°C
TC110301ECT 3.0 5-Pin SOT-23A 100 –40 to +85
°C
TC110503ECT 5.0 5-Pin SOT-23A 300 –40 to +85
°C
TC110333ECT 3.3 5-Pin SOT-23A 300 –40 to +85
°C
TC110303ECT 3.0 5-Pin SOT-23A 300 –40 to +85
°C
NOTE: *Other output voltages available. Please contact Microchip
Technology for details.
PIN CONFIGURATION
5
4
5-Pin SOT-23A
TC110
1
3
2
2001 Microchip Technology Inc.
DS21355A
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC110331ECT | 0.1 A SWITCHING CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO5 |
| TC110503ECT | 0.1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO5 |
| TC110301ECT | 0.1 A SWITCHING CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO5 |
| TC115501ECT | 0.4 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PDSO5 |
| TC115301ECT | 0.4 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PDSO5 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC110333ECTTR | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 PFM/PWM Step-Up RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TC1104 | 制造商:Thomas & Betts 功能描述:CABLE TIES |
| TC1105 | 制造商:Thomas & Betts 功能描述:CABLE MOUNTING STRIPS 5 BDL .5X6.8" 制造商:Thomas & Betts 功能描述:Cable Accessories Mounting Strip Nylon 6.6 Natural |
| TC110501ECT | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PFM/PWM Step-Up DC/DC Controller |
| TC110501ECTTR | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 PFM/PWM Step-Up RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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