參數(shù)資料
型號(hào)： TC1301B-DPAVUATR
廠商： Microchip Technology Inc.
英文描述： Dual LDO with Microcontroller RESET Function
中文描述： 雙路LDO穩(wěn)壓器與微控制器的復(fù)位功能
文件頁(yè)數(shù)： 1/28頁(yè)
文件大?。?/td> 890K
代理商： TC1301B-DPAVUATR
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
相關(guān)PDF資料
PDF描述
TC1301B-FDAVMF Dual LDO with Microcontroller RESET Function
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TC1301B-FAAVMFTR 功能描述:低壓差穩(wěn)壓器 - LDO Dual CMOS LDO 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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TC1301B-FDAVMFTR 功能描述:低壓差穩(wěn)壓器 - LDO Dual CMOS LDO 300mA & 150mA 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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TC1301B-FDAVUATR 功能描述:低壓差穩(wěn)壓器 - LDO Dual CMOS LDO 300mA & 150mA 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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