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參數資料
| 型號： | TC1301B-PFCVMFTR |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Dual LDO with Microcontroller RESET Function |
| 中文描述： | 雙路LDO穩壓器與微控制器的復位功能 |
| 文件頁數： | 1/28頁 |
| 文件大小： | 890K |
| 代理商： | TC1301B-PFCVMFTR |
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2005 Microchip Technology Inc.
DS21798B-page 1
TC1301A/B
Features
Dual Output LDO with Microcontroller Reset
Monitor Functionality:
- V
OUT1
= 1.5V to 3.3V @ 300 mA
- V
OUT2
= 1.5V to 3.3V @ 150 mA
- V
RESET
= 2.20V to 3.20V
Output Voltage and RESET Threshold Voltage
Options Available (See Table 8-1)
Low Dropout Voltage:
- V
OUT1
= 104 mV @ 300 mA, Typical
- V
OUT2
= 150 mV @ 150 mA, Typical
Low Supply Current: 116 μA, Typical
TC1301A/B with both output voltages available
Reference Bypass Input for Low-Noise Operation
Both Output Voltages Stable with a Minimum of
1 μF Ceramic Output Capacitor
Separate Input for RESET Detect Voltage
(
TC1301A
)
Separate V
OUT1
and V
OUT2
SHDN pins
(
TC1301B
)
RESET Output Duration: 300 ms. Typical
Power-Saving Shutdown Mode of Operation
Wake-up from SHDN: 5.3 μs. Typical
Small 8-pin DFN and MSOP Package Options
Operating Junction Temperature Range:
- -40°C to +125°C
Overtemperature and Overcurrent Protection
Applications
Cellular/GSM/PHS Phones
Battery-Operated Systems
Hand-Held Medical Instruments
Portable Computers/PDAs
Linear Post-Regulators for SMPS
Pagers
Related Literature
AN765, “Using Microchip’s Micropower LDOs”,
DS00765, Microchip Technology Inc., 2002
AN766, “Pin-Compatible CMOS Upgrades to
BiPolar LDOs”, DS00766, Microchip Technology
Inc., 2002
AN792, “A Method to Determine How Much
Power a SOT23 Can Dissipate in an Application”,
DS00792, Microchip Technology Inc., 2001
Description
The TC1301A/B combines two Low Dropout (LDO)
regulators and a microcontroller RESET function into a
single 8-pin MSOP or DFN package. Both regulator
outputs feature low dropout voltage, 104 mV
@ 300 mA for V
OUT1
, 150 mV @ 150 mA for V
OUT2
,
low quiescent current consumption, 58 μA each and a
typical regulation accuracy of 0.5%. Several fixed-
output voltage and detector voltage combinations are
available. A reference bypass pin is available to further
reduce output noise and improve the power supply
rejection ratio of both LDOs.
The TC1301A/B is stable over all line and load
conditions with a minimum of 1 μF of ceramic output
capacitance, and utilizes a unique compensation
scheme to provide fast dynamic response to sudden
line voltage and load current changes.
For the TC1301A, the microcontroller RESET function
operates independently of both V
OUT1
and V
OUT2
. The
input to the RESET function is connected to the V
DET
pin.The SHDN2 pin is used to control the output of
V
OUT2
only. V
OUT1
will power-up and down with V
IN
.
In the case of the TC1301B, the detect voltage input of
the RESET function is connected internally to V
OUT1
.
Both V
OUT1
and V
OUT2
have independent shutdown
capability.
Additional features include an overcurrent limit and
overtemperature protection that, when combined,
provide a robust design for all load fault conditions.
Package Types
8-Pin DFN/MSOP
TC1301A
RESET
SHDN2
Bypass
GND
V
DET
V
IN
1
2
3
4
5
6
7
8
V
OUT2
1
2
3
4
5
6
7
8
V
OUT1
RESET
SHDN2
Bypass
GND
V
DET
V
IN
V
OUT2
V
OUT1
DFN8
MSOP8
RESET
SHDN2
Bypass
GND
SHDN1
1
2
3
4
5
6
7
8
V
OUT2
V
IN
1
2
3
4
5
6
7
8
V
OUT1
TC1301B
RESET
SHDN2
Bypass
GND
SHDN1
V
OUT2
V
IN
V
OUT1
DFN8
MSOP8
Dual LDO with Microcontroller RESET Function
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相關代理商/技術參數 |
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| TC1301B-PFCVUA | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Dual LDO with Microcontroller RESET Function |
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| TC1301B-SFCVUA | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Dual LDO with Microcontroller RESET Function |
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