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參數(shù)資料
| 型號(hào)： | 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(shù)： | 4/26頁 |
| 文件大?。?/td> | 1080K |
| 代理商： | TC1301B-FFAVMFTR |
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TC1301A/B
DS21798A-page 12
2003 Microchip Technology Inc.
3.0
TC1301A PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
TC1301A PIN FUNCTION TABLE
3.1
RESET Output Pin
The push-pull output pin is used to monitor the voltage
on the VDET pin. If the VDET voltage is less than the
threshold voltage, the RESET output will be held in the
low state. As the VDET pin 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 the VDET pin is above the threshold.
3.2
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. VOUT1 output is available when VIN is
available; there is no pin to turn it OFF. See TC1301B,
if ON/OFF control of VOUT1 is desired.
3.3
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).
3.4
Reference Bypass Input
By connecting an external 10 nF capacitor (typical) to
the bypass input, 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.
3.5
Output Voltage #2 Shutdown
(SHDN2)
ON/OFF control is performed by connecting SHDN2 to
its proper level. When the input of 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.
3.6
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.
3.7
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 input capacitance
of 1 F to 4.7 F is recommended.
3.8
Input Pin for Voltage Detector
(VDET)
The voltage on the input of VDET is compared with the
preset VDET threshold voltage. If the voltage is below
the threshold, the RESET output will be low. If the
voltage is above the VDET threshold, the RESET output
will be high after the RESET time period. The IDET
supply current is typically 9 A at room temperature
with VDET =3.8V.
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 VDET 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.
8VDET
Input pin for Voltage Detector (VDET).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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(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 |
| 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(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 |
| 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(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 |
| 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(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 |
| 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(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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