TPS7A6550-Q1_15 Datasheet, PDF (1/18 Pages) Texas Instruments – 300-mA 40-V LOW-DROPOUT REGULATOR WITH 25-μA QUIESCENT CURRENT

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TPS7A6533-Q1
TPS7A6550-Q1
SLVSA98C – MAY 2010 – REVISED JULY 2012
300-mA 40-V LOW-DROPOUT REGULATOR WITH 25-µA QUIESCENT CURRENT
Check for Samples: TPS7A6533-Q1, TPS7A6550-Q1
FEATURES
1
• Low Dropout Voltage
– 300 mV at I_OUT = 150 mA
• 4-V to 40-V Wide Input Voltage Range
With up to 45-V Transients
• 300-mA Maximum Output Current
• 25-µA (Typ) Ultralow Quiescent Current at
Light Loads
• 3.3-V and 5-V Fixed Output Voltage With ±2%
Tolerance
• Low-ESR Ceramic Output Stability Capacitor
• Integrated Fault Protection
– Short-Circuit and Overcurrent Protection
– Thermal Shutdown
• Low Input-Voltage Tracking
• Thermally Enhanced Power Package
– 3-Pin TO-252 (KVU /DPAK)
APPLICATIONS
• Qualified for Automotive Applications
• Infotainment Systems With Sleep Mode
• Body Control Modules
• Always-On Battery Applications
– Gateway Applications
– Remote Keyless Entry Systems
– Immobilizers
DESCRIPTION
The TPS7A65xx-Q1 is a family of low-dropout linear
voltage regulators designed for low power
consumption and quiescent current less than 25 µA in
light-load applications. These devices feature
integrated overcurrent protection and a design to
achieve stable operation even with low-ESR ceramic
output capacitors. A low-voltage tracking feature
allows for a smaller input capacitor and can possibly
eliminate the need of using a boost converter during
cold crank conditions. Because of these features,
these devices are well-suited in power supplies for
various automotive applications.
TYPICAL REGULATOR STABILITY
10
VIN = 14V
COUT = 10µF, 47µF
TA = 27°C
VOUT = 5V, 3.3V
1
Stable Operation
Over Entire Region
0.1
0.01
0.01 0.1
1
10
IOUT (mA)
100 300
Figure 1. ESR versus Load Current for
TPS7A6550-Q1
TYPICAL APPLICATION SCHEMATIC
VIN
CIN
TPS7A65xx
VIN
VOUT
GND
VOUT
COUT
Figure 2. Application Schematic
1
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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