TPS737
- Stable with 1-µF or larger ceramic output capacitor
- Input voltage range: 2.2 V to 5.5 V
- Ultra-low dropout voltage
- Legacy silicon: 130 mV typical at 1 A
- New silicon, M3 suffix: 122 mV typical at 1 A
- Excellent load transient response—even with only 1-µF output capacitor
- NMOS topology delivers low reverse leakage current
- Initial accuracy: 1%
- Overall accuracy over line, load, and temperature
- Legacy silicon: 3%
- New silicon, M3 suffix: 1.5%
- Less than 20 nA typical IQ in shutdown mode
- Thermal shutdown and current limit for fault protection
- Available in multiple output voltage versions:
- Adjustable output: 1.20 V to 5.5 V
- Custom outputs available using factory package-level programming
The TPS737 linear low-dropout (LDO) voltage regulator uses an NMOS pass transistor in a voltage-follower configuration. This topology is relatively insensitive to the output capacitor value and ESR, allowing for a wide variety of load configurations. Load transient response is excellent, even with a small 1-µF ceramic output capacitor. The NMOS topology also allows for very low dropout.
The TPS737 uses an advanced BiCMOS process to yield high precision while delivering very low dropout voltages and low ground pin current. Part numbers with the M3 suffix use an updated design on the latest TI process technology. Current consumption, when not enabled, is less than 20 nA and is designed for portable applications. This device is protected by thermal shutdown and foldback current limit.
For applications that require higher output voltage accuracy, consider TI’s TPS7A37 1% overall accuracy, 1-A low-dropout voltage regulator.
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技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TPS737 1-A Low-Dropout Regulator With Reverse Current Protection datasheet (Rev. T) | PDF | HTML | 2023年 12月 13日 |
| Application note | LDO Noise Demystified (Rev. B) | PDF | HTML | 2020年 8月 18日 | |
| Application note | A Topical Index of TI LDO Application Notes (Rev. F) | 2019年 6月 27日 | ||
| Application note | LDO PSRR Measurement Simplified (Rev. A) | PDF | HTML | 2017年 8月 9日 | |
| EVM User's guide | TPS73701DRVEVM-529 User's Guide | 2013年 2月 20日 | ||
| Application note | LDO Performance Near Dropout | 2010年 10月 8日 | ||
| User guide | TPS73x01DRBEVM-518 User's Guide | 2009年 8月 13日 | ||
| Application note | 5 VIN solution using DCDC Controllers, a LDO, and a Digitally Prog. Sequencer | 2008年 11月 24日 | ||
| User guide | DEM-SOT223LDO Demonstration Fixture | 2003年 10月 15日 |
設計與開發
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訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點
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