TPS796 超低噪声、高 PSRR、快速、射频、1A 低压降线性稳压器 | 德州仪器 TI.com.cn

TPS796 (正在供货) 超低噪声、高 PSRR、快速、射频、1A 低压降线性稳压器

 

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描述

The TPS796 family of low-dropout (LDO) low-power linear voltage regulators features high power-supply rejection ratio (PSRR), ultralow-noise, fast start-up, and excellent line and load transient responses in small outline, 3 × 3 VSON, SOT223-6, and TO-263 packages. Each device in the family is stable with a small, 1-µF ceramic capacitor on the output. The family uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (for example, 250 mV at 1 A). Each device achieves fast start-up times (approximately 50 µs with a 0.001-µF bypass capacitor) while consuming very low quiescent current (265 µA typical). Moreover, when the device is placed in standby mode, the supply current is reduced to less than 1 µA. The TPS79630 exhibits approximately 40 µVRMS of output voltage noise at 3.0-V output, with a 0.1-µF bypass capacitor. Applications with analog components that are noise sensitive, such as portable RF electronics, benefit from the high PSRR, low noise features, and need fast response time.

特性

  • 1-A Low-Dropout Regulator With Enable
  • Available in Fixed and Adjustable (1.2 V to 5.5 V)
    Versions
  • High PSRR (53 dB at 10 kHz)
  • Ultralow-Noise (40 µVRMS, TPS79630)
  • Fast Start-Up Time (50 µs)
  • Stable With a 1-µF Ceramic Capacitor
  • Excellent Load and Line Transient Response
  • Very Low Dropout Voltage (250 mV at Full Load,
    TPS79630)
  • 3 × 3 VSON PowerPAD™, SOT223-6, and
    TO-263 Packages

WEBENCH® Designer TPS796

  Min   Max Range
Vin  V 2.7 to 5.5V
Product Option
Vout  V
Iout  A ≤ 1.0A
Ambient Temp  °C -40.0 to 125.0°C

参数

与其它产品相比 线性稳压器(LDO) 邮件 下载到电子表格中
Part number 立即下单 Output options Iout (Max) (A) Vin (Max) (V) Vin (Min) (V) Vout (Max) (V) Vout (Min) (V) Fixed output options (V) Package Group Features Regulated outputs (#) Operating temperature range (C) Thermal resistance θJA (°C/W) Noise (uVrms) Approx. price (US$) Rating PSRR @ 100 KHz (dB) Accuracy (%) Dropout voltage (Vdo) (Typ) (mV) Iq (Typ) (mA) Package size: mm2:W x L (PKG)
TPS796 立即下单 Adjustable Output
Fixed Output    
1     5.5     2.7     5.4     1.2     1.3
1.8
2.5
2.8
3
3.3
5    
DDPAK/TO-263 | 5
SON | 8
SOT-223 | 6    
Enable     1     -40 to 125
-40 to 85    
25     42     1.29 | 1ku     Catalog     42     2     220     0.26     5DDPAK/TO-263: 155 mm2: 15.24 x 10.16 (DDPAK/TO-263 | 5)
8SON: 9 mm2: 3 x 3 (SON | 8)
6SOT-223: 46 mm2: 7.06 x 6.5 (SOT-223 | 6)