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$5000TI TPS7301QP
Linear Voltage Regulator IC Positive Adjustable 1 Output 500mA 8-PDIP
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TPS7301QP 概要
The TPS73xx devices are members of a family of micropower low-dropout (LDO) voltage regulators. They are differentiated from the TPS71xx and TPS72xx LDOs by their integrated delayed microprocessor-reset function. If the precision delayed reset is not required, the TPS71xx and TPS72xx should be considered.
The RESET\ output of the TPS73xx initiates a reset in microcomputer and microprocessor systems in the event of an undervoltage condition. An internal comparator in the TPS73xx monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage.
If that occurs, the RESET\ output (open-drain NMOS) turns on, taking the RESET\ signal low. RESET\ stays low for the duration of the undervoltage condition. Once the undervoltage condition ceases, a 200-ms (typ) time-out begins. At the completion of the 200-ms delay, RESET\ goes high.
An order of magnitude reduction in dropout voltage and quiescent current over conventional LDO performance is achieved by replacing the typical pnp pass transistor with a PMOS device.
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (maximum of 35mV at an output current of 100 mA for the TPS7350) and is directly proportional to the output current (see Figure1). Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is low and remains constant, independent of output loading (typically 340 uA over the full range of output current, 0 mA to 500mA). These two key specifications yield a significant improvement in operating life for battery-powered systems.
The LDO family also features a sleep mode; applying a logic high signal to EN\ (enable\) shuts down the regulator, reducing the quiescent current to 0.5 uA maximum at TJ = 25°C.
The TPS73xx is offered in 2.5-V, 3-V, 3.3-V, 4.85-V, and 5-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.2 V to 9.75 V). Output voltage tolerance is specified as a maximum of 2% over line, load, and temperature ranges (3% for the 2.5 V and the adjustable version). The TPS73xx family is available in PDIP (8 pin), SO (8 pin) and TSSOP (20 pin) packages. The TSSOP has a maximum height of 1.2mm.
特徴
- Available in 2.5-V, 3-V, 3.3-V, 4.85-V, and 5-V Fixed-Output and Adjustable Versions
- Integrated Precision Supply-Voltage Supervisor Monitoring Regulator Output Voltage
- Active-Low Reset Signal with 200-ms Pulse Width
- Very Low Dropout Voltage.Maximum of 35 mV at IO = 100 mA (TPS7350)
- Low Quiescent Current - Independent of Load.340 uA Typ
- Extremely Low Sleep-State Current, 0.5 uA Max
- 2% Tolerance Over Full Range of Load, Line, and Temperature for Fixed-Output Versions§
- Output Current Range of 0 mA to 500 mA
- TSSOP Package Option Offers Reduced Component Height For Critical Applications
§ The TPS7325 has a tolerance of ±3% over the full temperature range.
The TPS71xx and the TPS72xx are 500-mA and 250-mA output regulators respectively, offering performance similar to that of the TPS73xx but without the delayed-reset function. The TPS72xx devices are further differentiated by availability in 8-pin thin-shrink small-outline packages (TSSOP) for applications requiring minimum package size.
仕様
パラメータ | 価値 | パラメータ | 価値 |
---|---|---|---|
Manufacturer | Texas Instruments | Product Category | LDO Voltage Regulators |
RoHS | Details | Mounting Style | Through Hole |
Package / Case | PDIP-8 | Output Voltage | 1.2 V to 9.75 V |
Output Current | 500 mA | Number of Outputs | 1 Output |
Polarity | Positive | Quiescent Current | 340 uA |
Input Voltage, Min | 2.47 V | Input Voltage, Max | 10 V |
Output Type | Adjustable | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 125 C | Dropout Voltage | 270 mV |
Series | TPS7301 | Brand | Texas Instruments |
Height | 4.57 mm | Ib - Input Bias Current | 340 uA |
Length | 9.81 mm | Line Regulation | 18 mV |
Load Regulation | 22 mV | Operating Supply Current | 340 uA |
Pd - Power Dissipation | 1.175 W | Product Type | LDO Voltage Regulators |
Reference Voltage | 1.182 V | Factory Pack Quantity | 50 |
Subcategory | PMIC - Power Management ICs | Voltage Regulation Accuracy | 3 % |
Width | 6.35 mm |
配送
配送タイプ | 配送料 | リードタイム | |
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
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フェデックス | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
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登録された航空便 | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
処理時間:送料は地域や国によって異なります。
支払い
支払条件 | ハンドフィー | |
---|---|---|
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電信送金 | 銀行手数料 US$30.00 を請求します。 |
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ペイパル | 4.0%のサービス料がかかります。 |
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クレジットカード | 3.5%のサービス料がかかります。 |
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ウエスタンユニオン | charge US.00 banking fee. |
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送金サービス | 銀行手数料は 0.00 米ドルかかります。 |
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