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TPS79901-EP View Datasheet(PDF) - Texas Instruments

Part NameTPS79901-EP TI
Texas Instruments TI
Description200-mA, Low-Quiescent Current, Ultra-Low-Noise, High-PSRR Low-Dropout Linear Regulator
TPS79901-EP Datasheet PDF : 27 Pages
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TPS79901-EP
SBVS330A – SEPTEMBER 2017 – REVISED OCTOBER 2017
TPS79901-EP 200-mA, Low-Quiescent Current, Ultra-Low-Noise, High-PSRR
Low-Dropout Linear Regulator
1 Features
1 200-mA Low-Dropout Regulator With EN
• Multiple Output Voltage Versions Available:
– Adjustable Outputs from 1.2 V to 6.5 V
• Inrush Current Protection with EN Toggle
• Low IQ: 40 μA
• High PSRR:
– 66 dB at 1 kHz
– 51 dB at 10 kHz
• Stable with a Low-ESR, 2-μF Typical Output
Capacitance
• Excellent Load and Line Transient Response
• 2% Overall Accuracy (Load, Line, and
Temperature)
• Very Low Dropout: 100 mV
• Package: 6-Pin SON
Supports Defense, Aerospace, and Medical
Applications
– Controlled Baseline
– One Assembly and Test Site
– One Fabrication Site
– Available in Military (–55°C to 125°C)
Temperature Range
– Extended Product Life Cycle
– Extended Product-Change Notification
– Product Traceability
2 Applications
• Base Stations
• Smart Phones
• EPOS
• Wearable Electronics
• VCOs, RF
• Wireless LAN, Bluetooth®
3 Description
The TPS79901 family of low-dropout (LDO), low-
power linear regulators offers excellent ac
performance with very low ground current. High
power-supply rejection ratio (PSRR), low noise, fast
start-up, and excellent line and load transient
response are provided while consuming a very low
40-μA (typical) ground current.
The TPS79901 is stable with ceramic capacitors and
uses an advanced BiCMOS fabrication process to
yield a dropout voltage of typically 100 mV at a
200-mA output. The TPS79901 uses a precision
voltage reference and feedback loop to achieve an
overall accuracy of 2% over all load, line, process,
and temperature variations. The TPS79901 features
inrush current protection when the EN toggle is used
to start the device, immediately clamping the current.
The TPS79901 is fully specified over the temperature
range of TJ = –55°C to +125°C, and offered in a low-
profile, ideal for wireless handsets and WLAN cards.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS79901-EP
SON (6)
2.00 mm × 2.00 mm
(1) For all available packages, see the package option addendum
at the end of the data sheet.
Typical Application Circuit
Optional input capacitor.
May improve source
impedance, noise, or PSRR.
VOUT =
(R1 + R2)
R2
´ 1.193
VIN
IN
OUT
VOUT
TPS79901
EN GND FB
R1
CFB
2.2 mF
Ceramic
R2
VEN
Copyright © 2017, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
Direct download click here

 

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