TPS799-Q1 Datasheet, PDF (1/25 Pages) Texas Instruments – 200 mA, Low Quiescent Current, Ultralow Noise, High PSRR, Low Dropout, Linear Regulators

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TPS799-Q1
SBVS097F – MARCH 2008 – REVISED JUNE 2015
TPS799-Q1 200 mA, Low Quiescent Current, Ultralow Noise,
High PSRR, Low Dropout, Linear Regulators
1 Features
•1 Qualified for Automotive Applications
• 200-mA Low-Dropout (LDO) Regulator
With Enable (EN)
• Low I_Q: 40 μA
• Multiple Output Voltage Versions Available:
– Fixed Outputs of 1.2 V to 4.5 V
– Adjustable Outputs from 1.2 V to 6.5 V
• High PSRR: 66 dB at 1 kHz, 51 db at 10 kHz
• Ultralow Noise: 29.5 μV_RMS
• Fast Start-Up Time: 45 μs
• 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
• Thin SOT-23 and 2-mm × 2-mm SON-6 Packages
2 Applications
• Infotainment
• Cluster
• Advanced Driver Assistance Systems
SPACE
Typical Application Circuit
Fixed Voltage Versions
Optional input capacitor.
May improve source
impedance, noise, or PSRR.
V_IN
IN
OUT
V_OUT
TPS799xx-Q1
EN GND NR
2.2mF
Ceramic
V_EN
Optional bypass capacitor
to reduce output noise
and increase PSRR.
3 Description
The TPS799xx-Q1 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 TPS799xx-Q1 is
stable with ceramic capacitors and uses an advanced
BiCMOS fabrication process to yield a dropout
voltage of 100 mV (typical) at 200-mA output. The
TPS799xx-Q1 uses a precision voltage reference and
feedback loop to achieve overall accuracy of 2% over
all load, line, process, and temperature variations. It
is fully specified from T_J = –40°C to 125°C and is
offered in low profile thin SOT-23 and 2-mm × 2-mm
SON packages, ideal for wireless handsets and
WLAN cards.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS799-Q1
SON (6)
SOT (5)
2.00 mm × 2.00 mm
2.90 mm × 1.60 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Circuit
Adjustable Voltage Version
Optional input capacitor.
May improve source
impedance, noise, or PSRR.
V_OUT =
(R₁ + R₂) _´
R₂
1.193
V_IN
IN
OUT
V_OUT
TPS79901-Q1
EN GND FB
R₁
C_FB
2.2mF
Ceramic
R₂
V_EN
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.