

Dual 1A Low-Noise (3.8μVRMS) LDO Voltage Regulator
- Manufacturer :
- Texas Instruments, Inc
- Package/Case :
- QFN-20
- Product Categories :
- Voltage Regulators
- Datasheet:
- TPS7A8801RTJT PDF
- RoHs Status:
- Lead free/RoHS Compliant
- Marking Code:
- TPS7A88
- In-stock:
- 1
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TPS7A8801RTJT Product Details
· Two Independent LDO Channels
· Low Output Noise:<3.8uVMS(10Hz-100kHz)
· Low Dropout:200mV(Max) at1A
· Wide Input Voltage Range:1.4V to 6.5V
· Wide Output Voltage Range:0.8 Vto 5.0V
· High Power-Supply Ripple Rejection:
-75 dB at DC
-40dB at 100kHz
-40dBat 1MHz
·1.0% Accuracy Over Line, Load, and Temperature
· Excellent Load Transient Response
· Adjustable Start-Up In-Rush Control
· Selectable Soft-Start Charging Current
· Independent Open-Drain Power-Good(PG) Outputs
· Stable with a 10-uF or Larger Ceramic Output Capacitor
·4-mm×4-mm,20-Pin WQFN Package
2 Applications
· High-Speed Analog Circuits:-VCO, ADC, DAC, LVDS· Imaging: CMOS Sensors, Video ASICs
· Test and Measurement
· Instrumentation, Medical, and Audio
· Digital Loads: SerDes, FPGA, DSPTM
3 Description
The TPS7A88 is a dual, low-noise (3.8 uVaus), low-dropout(LDO) voltage regulator capable of sourcing 1 A per channel with only 200 mV of maximum dropout.
The TPS7A88 provides the flexibility of two independent LDOs and approximately 50% smaller solution size than two single-channel LDOs. Each output is adjustable with external resistors from 0.8V to 5.0 V. The TPS7A88 wide input-voltage range supports operation as low as 1.4 V and up to 6.5V. With 1% output voltage accuracy(over line, load, and re temperature) and soft-start capabilities to reduce in-rush current, the TPS7A88 is ideal for powering sensitive analog low-voltage devices [ such as voltage-controlled oscillators (VCOs), analog-to-digital converters (ADCs), digital-to-analog converters(DACs), high-end processors, and field-programmable gate arrays(FPGAs)].
The TPS7A88 is designed to power up noise-sensitive components such as those found in high-speed communication, video, medical, or test andmeasurement applications. The very low 4-uVRMs output noise and wideband PSRR(40 dB at 1 MHz)minimizes phase noise and clock jitter. These features maximize performance of clocking devices, ADCs, and DACs.
(Picture:Pinout / Diagram)
Technical Parameters
Output Configuration | Positive | Current Supply (Max) | 4mA |
---|---|---|---|
Output Type | Adjustable | PSRR | 40dB (500kHz) |
Number of Regulators | 2 | Control Features | Enable, Power Good, Soft Start |
Voltage Input (Max) | 6.5V | Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
Voltage Output (Min/Fixed) | 0.8V | Operating Temperature | -40??C ~ 125??C (TJ) |
Voltage Output (Max) | 5V | Mounting Type | Surface Mount |
Voltage Dropout (Max) | 0.2V @ 1A | Package / Case | 20-WFQFN Exposed Pad |
Current Output | 1A | Supplier Device Package | 20-QFN (4x4) |
Current Quiescent (Iq) | 3.5mA |
TPS7A8801RTJT Related Products
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Guarantees
1.We provide 90 days warranty.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
FAQ:
- Q: How does Jotrin guarantee that TPS7A8801RTJT is the original manufacturer or agent of TI?
- We have a professional business development department to strictly test and verify the qualifications of TI original manufacturers and agents. All TI suppliers must pass the qualification review before they can publish their TPS7A8801RTJT devices; we pay more attention to the channels and quality of TPS7A8801RTJT products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
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Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days. - Q: What is the process for returns or replacement of TPS7A8801RTJT?
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the TPS7A8801RTJT we delivered, we will accept the replacement or return of the TPS7A8801RTJT only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of TPS7A8801RTJT.
(3)The TPS7A8801RTJT is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
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