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參數資料
| 型號： | TC1301B-FFAVMFTR |
| 元件分類： | 固定正電壓多路輸出LDO穩(wěn)壓器 |
| 英文描述： | DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO8 |
| 封裝： | 3 X 3 MM, 1 MM HEIGHT, PLASTIC, DFN-8 |
| 文件頁數： | 5/26頁 |
| 文件大?。?/td> | 1080K |
| 代理商： | TC1301B-FFAVMFTR |
2003 Microchip Technology Inc.
DS21798A-page 13
TC1301A/B
4.0
TC1301B PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 4-1.
TABLE 4-1:
TC1301B PIN FUNCTION TABLE
4.1
RESET Output Pin
The push-pull output pin is used to monitor the output
voltage (VOUT1). If VOUT1 is less than the threshold
voltage, the RESET output will be held in the low state.
As VOUT1 rises above the threshold, the RESET output
will remain in the low state for 300 ms and then change
to the high state, indicating that the voltage on VOUT1 is
above the threshold.
4.2
Regulated Output Voltage #1
(VOUT1)
Connect VOUT1 to the positive side of the VOUT1
capacitor and load. It is capable of 300 mA maximum
output current. For the TC1301B, VOUT1 can be turned
ON and OFF using the SHDN1 input pin.
4.3
Circuit Ground Pin (GND)
Connect GND to the negative side of the input and
output capacitor. Only the LDO internal circuitry bias
current flows out of this pin (200 A maximum).
4.4
Reference Bypass Input
By connecting an external 10 nF capacitor (typical) to
bypass, both outputs (VOUT1 and VOUT2) will have less
noise and improved Power Supply Ripple Rejection
(PSRR) performance. The LDO output voltage start-up
time will increase with the addition of an external
bypass capacitor. By leaving this pin unconnected, the
start-up time will be minimized.
4.5
Output Voltage #2 Shutdown
(SHDN2)
ON/OFF control is performed by connecting SHDN2 to
its proper level. When this pin is connected to a voltage
less than 15% of VIN, VOUT2 will be OFF. If this pin is
connected to a voltage that is greater than 45% of VIN,
VOUT2 will be turned ON.
4.6
Regulated Output Voltage #2
(VOUT2)
Connect VOUT2 to the positive side of the VOUT2
capacitor and load. This pin is capable of a maximum
output current of 150 mA. VOUT2 can be turned ON and
OFF using SHDN2.
4.7
Unregulated Input Voltage Pin
(VIN)
Connect the unregulated input voltage source to VIN. If
the input voltage source is located more than several
inches away or is a battery, a typical minimum input
capacitance of 1 F and 4.7 F is recommended.
4.8
Output Voltage #1 Shutdown
(SHDN1)
ON/OFF control is performed by connecting SHDN1 to
its proper level. When this pin is connected to a voltage
less than 15% of VIN, VOUT1 will be OFF. If this pin is
connected to a voltage that is greater than 45% of VIN,
VOUT1 will be turned ON.
Pin No.
Name
Function
1
RESET
Push-pull output pin that will remain low while VDET is below the reset threshold and for
300 ms after VOUT1 rises above the reset threshold
2VOUT1
Regulated Output Voltage #1 capable of 300 mA
3
GND
Circuit Ground Pin
4
Bypass
Internal Reference Bypass pin. A 10 nF external capacitor can be used to further reduce
output noise and improve PSRR performance
5
SHDN2
Output #2 Shutdown Control Input
6VOUT2
Regulated Output Voltage #2 capable of 150 mA
7VIN
Unregulated Input Voltage Pin
8
SHDN1
Output #1 Shutdown Control Input
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TC1301B-FFAVUA | 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1301B-FHAVMF | 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1301B-FHAVMFTR | 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1301B-FHAVUA | 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC1301B-FHAVUATR | 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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