{"id":6455,"date":"2026-06-16T03:53:17","date_gmt":"2026-06-16T03:53:17","guid":{"rendered":"https:\/\/materialparts.com\/tps7a7001ddat\/"},"modified":"2026-06-16T03:53:17","modified_gmt":"2026-06-16T03:53:17","slug":"tps7a7001ddat","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/tps7a7001ddat\/","title":{"rendered":"TPS7A7001DDAT"},"content":{"rendered":"

Productos<\/h2>\n

The TPS7A7001DDAT is a 2A ultra-low-dropout (LDO) regulator from Texas Instruments operating from inputs as low as 1.425V with only 200mV typical dropout at 1A. The adjustable output (0.5V to 5V) is set by an external resistor divider. With an enable pin (1\u00b5A shutdown current), \u00b12% output accuracy, current limit, and thermal shutdown, it is ideal for point-of-load regulation where input and output voltages are very close.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Output Type<\/td>\nAdjustable (0.5V to 5V via external divider)<\/td>\n<\/tr>\n
Corriente de salida<\/td>\n2A maximum<\/td>\n<\/tr>\n
Input Voltage<\/td>\n1.425V to 6.5V<\/td>\n<\/tr>\n
Dropout Voltage<\/td>\n200mV typ @ 1A; 380mV max @ 2A<\/td>\n<\/tr>\n
Reference Voltage<\/td>\n0.5V (typical)<\/td>\n<\/tr>\n
Output Accuracy<\/td>\n\u00b12% over line, load, temperature<\/td>\n<\/tr>\n
Line Regulation<\/td>\n0.2%\/V (typical)<\/td>\n<\/tr>\n
Load Regulation<\/td>\n0.25%\/A (typical)<\/td>\n<\/tr>\n
Corriente de reposo<\/td>\n3mA (typical)<\/td>\n<\/tr>\n
Shutdown Current<\/td>\n1\u00b5A (typical)<\/td>\n<\/tr>\n
PSRR @ 100kHz<\/td>\n28 dB<\/td>\n<\/tr>\n
Enable Pin<\/td>\nYes (active high)<\/td>\n<\/tr>\n
Protection<\/td>\nCurrent limit, thermal shutdown, UVLO<\/td>\n<\/tr>\n
Min Output Capacitor<\/td>\n4.7\u00b5F<\/td>\n<\/tr>\n
Paquete<\/td>\nHSOIC-8 with PowerPAD (4.9 x 6.0mm)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40\u00b0C to +125\u00b0C (junction)<\/td>\n<\/tr>\n
\u03b8JA<\/td>\n46.4\u00b0C\/W (DDA package)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • Ultra-low input voltage: operates down to 1.425V<\/li>\n
  • Ultra-low dropout: 200mV at 1A, 380mV max at 2A<\/li>\n
  • Adjustable output from 0.5V using external divider<\/li>\n
  • 2A continuous output current<\/li>\n
  • Enable pin with 1\u00b5A shutdown current<\/li>\n
  • \u00b12% output voltage accuracy<\/li>\n
  • Current limit and thermal shutdown protection<\/li>\n
  • Stable with 4.7\u00b5F ceramic output capacitor<\/li>\n
  • Supports up to 200\u00b5F output capacitance<\/li>\n
  • Feed-forward capacitor option for improved transient response<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Point-of-load regulation for FPGAs and DSPs<\/li>\n
    • Core voltage regulation (1.0V to 1.8V rails)<\/li>\n
    • Battery-powered systems with low headroom<\/li>\n
    • Post-regulation after switching converters<\/li>\n
    • Telecom and networking card power<\/li>\n
    • Medical and portable devices<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The TPS7A7001DDAT is a 2A ultra-low-dropout (LDO) regulator from Texas Instruments operating from inputs as low as 1.425V with only 200mV typical dropout at 1A. The adjustable output (0.5V to 5V) is set by an external resistor divider. With an enable pin (1\u00b5A shutdown current), \u00b12% output accuracy, current limit, and thermal shutdown, […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,32],"tags":[],"chip_brand":[138],"class_list":["post-6455","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo","chip_brand-ti"],"acf":{"brief_explanation":"2A ultra-LDO, 1.425-6.5V in, adj 0.5-5V out, 200mV dropout@1A, enable pin, HSOIC-8 PowerPAD","date_code":"","package_case":"HSOIC-8 with PowerPAD (4.9 x 6.0 x 1.5mm)","in_stock":3200,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/tps7a7001.pdf","price":"$0.51 @ 1ku","product_introduction":"The TPS7A7001DDAT is a high-performance 2A ultra-low-dropout linear regulator from Texas Instruments, designed for applications requiring very low input voltage and very low dropout. The device operates from input voltages as low as 1.425V and provides an adjustable output from 0.5V to 5V set by an external resistor divider. The dropout voltage is only 200mV typical at 1A and 380mV maximum at 2A, making it ideal for point-of-load regulation where VOUT is very close to VIN. The enable pin reduces shutdown current to 1\u00b5A, critical for battery-powered always-on systems. A feed-forward capacitor across the upper feedback resistor can improve transient response and PSRR. The HSOIC-8 PowerPAD package provides 46.4\u00b0C\/W thermal resistance for efficient heat dissipation at full load.","working_principle":"The TPS7A7001 uses a PNP pass transistor in a low-dropout configuration. The error amplifier compares a fraction of the output voltage (divided by R1 and R2) with the internal 0.5V bandgap reference. When VFB falls below 0.5V, the error amplifier drives the PNP base harder, increasing the pass transistor current and raising VOUT. The output voltage is set by VOUT = 0.5V \u00d7 (1 + R1\/R2). The ultra-low dropout is achieved because the PNP pass transistor saturates with only a small VCE \u2014 unlike NPN LDOs which require at least a VBE plus VCE(sat) of dropout. The enable pin gates the internal bias circuitry; when EN is low, all bias is shut down, reducing current to 1\u00b5A. The current limit circuit senses the pass transistor current and limits it to a safe value (typically 3A). Thermal shutdown activates at approximately 160\u00b0C junction temperature, turning off the pass transistor until the junction cools by 20\u00b0C. A feed-forward capacitor (CFF) across R1 adds a zero to the feedback loop, improving phase margin and transient response.","pin_description":"
      Pin<\/th>Name<\/th>Description<\/th><\/tr>
      1<\/td>NC<\/td>No connect<\/td><\/tr>
      2<\/td>IN<\/td>Input supply (1.425V to 6.5V)<\/td><\/tr>
      3<\/td>IN<\/td>Input supply (connect to pin 2)<\/td><\/tr>
      4<\/td>EN<\/td>Enable input (high = enabled, internal pull-up)<\/td><\/tr>
      5<\/td>GND<\/td>Ground<\/td><\/tr>
      6<\/td>FB<\/td>Feedback input (connect to output divider)<\/td><\/tr>
      7<\/td>OUT<\/td>Regulated output<\/td><\/tr>
      8<\/td>OUT<\/td>Regulated output (connect to pin 7)<\/td><\/tr>
      Pad<\/td>GND<\/td>PowerPAD thermal pad (connect to GND plane)<\/td><\/tr><\/table>","application_scenarios":"
      • FPGA Core Voltage (1.0V):<\/b> Generate a 1.0V, 2A core supply for an FPGA from a 1.5V intermediate bus. The 200mV dropout at 1A leaves comfortable headroom. Set VOUT = 0.5V \u00d7 (1 + R1\/R2) with R2 = 10k\u03a9 and R1 = 10k\u03a9. Add a 10nF feed-forward capacitor across R1 for improved transient response during FPGA logic switching events.<\/li>
      • Battery-Powered Always-On Rail:<\/b> Regulate a 3.6V lithium cell down to 3.3V for a wireless MCU. The 1.425V minimum input ensures operation even as the battery discharges to 3.4V. The enable pin connects to the MCU's power management output, reducing current to 1\u00b5A during deep sleep. The 4.7\u00b5F ceramic output capacitor fits within the BOM budget.<\/li>
      • Post-Regulation After DC\/DC:<\/b> Place the TPS7A7001 after a 1.8V switching converter to clean the 1.2V rail for a noise-sensitive ADC. The 200mV dropout consumes only 200mV of headroom from the 1.8V supply, and the 28dB PSRR at 100kHz further attenuates the switching ripple. A 10\u00b5F feed-forward capacitor optimizes the PSRR at higher frequencies.<\/li><\/ul>","alternative_models":"
        Model<\/th>Iout<\/th>Vin Min<\/th>Dropout<\/th>Key Difference<\/th><\/tr>
        TPS7A7002<\/td>2A<\/td>1.425V<\/td>380mV<\/td>Fixed voltage version<\/td><\/tr>
        TPS7A8300<\/td>2A<\/td>1.1V<\/td>85mV<\/td>Lower dropout, lower Vin, higher PSRR<\/td><\/tr>
        TLV755P<\/td>1A<\/td>1.5V<\/td>300mV<\/td>Smaller, lower current, SOT-23<\/td><\/tr>
        NCP51100<\/td>1A<\/td>1.2V<\/td>200mV<\/td>onsemi, lower Vin alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/6455","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=6455"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/6455\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=6455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=6455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=6455"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=6455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}