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參數(shù)資料
| 型號(hào)： | TC1313-QA2EMFTR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.5 A SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 3 X 3 MM, 0.90 MM HEIGHT, PLASTIC, DFN-10 |
| 文件頁(yè)數(shù)： | 1/32頁(yè) |
| 文件大小： | 591K |
| 代理商： | TC1313-QA2EMFTR |
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2009 Microchip Technology Inc.
DS21974B-page 1
TC1313
Features
Dual-Output Regulator (500 mA Buck Regulator
and 300 mA Low-Dropout Regulator (LDO))
Total Device Quiescent Current = 57 A (Typical)
Independent Shutdown for Buck and LDO
Outputs
Both Outputs Internally Compensated
Synchronous Buck Regulator:
- Over 90% Typical Efficiency
- 2.0 MHz Fixed-Frequency PWM
(Heavy Load)
- Low Output Noise
- Automatic PWM-to-PFM mode transition
- Adjustable (0.8V to 4.5V) and Standard
Fixed-Output Voltages (0.8V, 1.2V, 1.5V,
1.8V, 2.5V, 3.3V)
Low-Dropout Regulator:
- Low-Dropout Voltage = 137 mV Typical @
200 mA
- Standard Fixed-Output Voltages
(1.5V, 1.8V, 2.5V, 3.3V)
Small 10-pin 3x3 DFN or MSOP Package Options
Operating Junction Temperature Range:
- -40°C to +125°C
Undervoltage Lockout (UVLO)
Output Short Circuit Protection
Overtemperature Protection
Applications
Cellular Phones
Portable Computers
USB-Powered Devices
Handheld Medical Instruments
Organizers and PDAs
Description
The TC1313 device combines a 500 mA synchronous
buck regulator and 300 mA Low-Dropout Regulator
(LDO) to provide a highly integrated solution for
devices that require multiple supply voltages. The
unique combination of an integrated buck switching
regulator and low-dropout linear regulator provides the
lowest system cost for dual-output voltage applications
that require one lower processor core voltage and one
higher bias voltage.
The 500 mA synchronous buck regulator switches at a
fixed frequency of 2.0 MHz when the load is heavy,
providing a low-noise, small-size solution. When the
load on the buck output is reduced to light levels, it
changes operation to a Pulse Frequency Modulation
(PFM) mode to minimize quiescent current draw from
the battery. No intervention is necessary for smooth
transition from one mode to another.
The LDO provides a 300 mA auxiliary output that
requires a single 1 F ceramic output capacitor,
minimizing board area and cost. The typical dropout
voltage for the LDO output is 137 mV for a 200 mA
load.
The TC1313 device is available in either the 10-pin DFN
or MSOP package.
Additional
protection
features
include:
UVLO,
overtemperature and overcurrent protection on both
outputs.
For a complete listing of TC1313 standard parts,
consult your Microchip representative.
Package Type
10-Lead DFN *
10-Lead MSOP
1
2
6
8
7
9
10
5
4
3
SHDN2
VIN2
VOUT2
AGND
PGND
LX
VIN1
SHDN1
VFB1/VOUT1
NC
VOUT2
VIN2
NC
LX
VIN1
1
2
3
4
10
9
8
7 SHDN1
PGND
SHDN2
EP
11
5
6 VFB1/VOUT1
AGND
* Includes Exposed Thermal Pad (EP); see Table 3-1.
500 mA Synchronous Buck Regulator,
+ 300 mA LDO
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC1313-RD1EMF | 功能描述:低壓差穩(wěn)壓器 - LDO PWM/LDO combo RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1313-RD1EMFTR | 功能描述:低壓差穩(wěn)壓器 - LDO PWM/LDO combo RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1313-VD0EMF | 功能描述:低壓差穩(wěn)壓器 - LDO PWM LDO combo PG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1313-VD0EMFTR | 功能描述:低壓差穩(wěn)壓器 - LDO PWM LDO combo PG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1313-ZA0EMF | 功能描述:低壓差穩(wěn)壓器 - LDO PWM/LDO combo RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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