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参数资料
| 型号： | TPS793285DBVRQ1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 2.85 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO5 |
| 封装： | PLASTIC, SOT-23, 5 PIN |
| 文件页数： | 4/16页 |
| 文件大小： | 356K |
| 代理商： | TPS793285DBVRQ1 |
TPS79301Q1,'79318Q1, '79325Q1
'79328Q1,'793285Q1,'79330Q1
TPS79333Q1,'793475Q1
SGLS162B APRIL 2003 REVISED JUNE 2005
www.ti.com
12
APPLICATION INFORMATION
22 pF
15 pF
OUTPUT VOLTAGE
PROGRAMMING GUIDE
OUTPUT
VOLTAGE
R1
R2
2.5 V
3.3 V
3.6 V
C1
31.6 k
51 k
59 k
30.1 k
30.1 k
30.1 k
VO
VI
OUT
FB
R1
R2
GND
EN
IN
≤ 0.7 V
≥ 2 V
TPS79301
1
F
BYPASS
0.01
F
1
F
C1
Figure 23. TPS79301 Adjustable LDO Regulator Programming
REGULATOR PROTECTION
The TPS793xx PMOS-pass transistor has a built-in back diode that conducts reverse current when the input voltage drops
below the output voltage (e.g., during power down). Current is conducted from the output to the input and is not internally
limited. If extended reverse voltage operation is anticipated, external limiting might be appropriate.
The TPS793xx features internal current limiting and thermal protection. During normal operation, the TPS793xx limits
output current to approximately 400 mA. When current limiting engages, the output voltage scales back linearly until the
overcurrent condition ends. While current limiting is designed to prevent gross device failure, care should be taken not to
exceed the power dissipation ratings of the package or the absolute maximum voltage ratings of the device. If the
temperature of the device exceeds approximately 165
°C, thermal-protection circuitry shuts it down. Once the device has
cooled down to below approximately 140
°C, regulator operation resumes.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS793285DBVT | 功能描述:低压差稳压器 - LDO High PSRR Fast RF High-Enable 200mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TPS793285DBVTG4 | 功能描述:低压差稳压器 - LDO High PSRR Fast RF High-Enable 200mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TPS793285QDBVRQ1 | 功能描述:低压差稳压器 - LDO Ultra Lo Noise Hi PSRR Fast RF 200mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TPS793285QDBVRSV | 制造商:Texas Instruments 功能描述: |
| TPS793285YEQEVM | 功能描述:电源管理IC开发工具 TPS793285YEQ Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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