Voltage Regulator. LP5990 Datasheet

LP5990 Regulator. Datasheet pdf. Equivalent

Part LP5990
Description Low Dropout Voltage Regulator
Feature LP5990 www.ti.com SNVS438B – APRIL 2007 – REVISED DECEMBER 2007 LP5990 Micropower 200mA CMOS Low .
Manufacture etcTI
Datasheet
Download LP5990 Datasheet

LP5990 Micropower 200mA CMOS Low Dropout Voltage Regulator LP5990 Datasheet
LP5990 www.ti.com SNVS438B – APRIL 2007 – REVISED DECEMBER LP5990 Datasheet
Recommendation Recommendation Datasheet LP5990 Datasheet





LP5990
LP5990
www.ti.com
SNVS438B – APRIL 2007 – REVISED DECEMBER 2007
LP5990 Micropower 200mA CMOS Low Dropout Voltage Regulator
Check for Samples: LP5990
FEATURES
1
2 Operation from 2.2V to 5.5V Input
• ±1% Accuracy Over Temp Range
• Output Voltage from 0.8V to 3.6V in 50mV
Increments
• 30 μA Quiescent Current (Enabled)
• 10nA Quiescent Current (Disabled)
• 160mV Dropout at 200mA Load
• 60 μVRMSOutput Voltage Noise
• 60 μs Start-Up Time
• 500μs Shut-Down Time
• PSRR 55 dB at 10 kHz
• Stable with 0402 1.0µF Ceramic Capacitors
• Logic Controlled Enable
• Thermal–Overload and Short–Circuit
Protection
APPLICATIONS
• Cellular Phones
• Hand–Held Information Appliances
PACKAGE
• 4-Bump DSBGA, 0.4 mm Pitch 866 µm x 917
µm (Lead Free)
DESCRIPTION
The LP5990 regulator is designed to meet the
requirements of portable, battery-powered systems
providing an accurate output voltage, low noise and
low quiescent current.
The LP5990 will provide a 1.8V output from a low
input voltage of 2.2V and can provide 200mA to an
external load.
When switched into shutdown mode via a logic signal
at the enable pin, the power consumption is reduced
to virtually
zero.
Fast shut-down is achieved by the push pull
architecture.
The LP5990 is designed to be stable with space
saving 0402 ceramic capacitors as small as 1µF, this
gives an overall solution size of < 2.5mm 2.
Performance is specified for a -40°C to 125°C
junction temperature range.
The device is available in DSBGA Package (0.4mm
pitch)
and
is
available
with
1.2V,1.3V,1.8V,2.8V,3.0V,3.3V and 3.6V outputs.
Lower voltage options down to 0.8V are available on
request. For all other output voltage options please
contact your local TI sales office.
TYPICAL APPLICATION CIRCUIT
VIN
VIN
1.0 µF
CIN
VOUT
LP5990
1.0 µF
COUT
VOUT
VEN
Capacitor Case
Size = 0402
VEN
GND
GND
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2
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.
Copyright © 2007, Texas Instruments Incorporated



LP5990
LP5990
SNVS438B – APRIL 2007 – REVISED DECEMBER 2007
CONNECTION DIAGRAMS
Figure 1. 4-Bump Thin DSBGA Package, 0.4mm pitch
Package Number YFQ0004CEA
VIN
VEN
B2
A2
VEN
VIN
A2
B2
www.ti.com
B1
VOUT
A1
GND
A1
GND
B1
VOUT
Bottom View
Top View
The actual physical placement of the package marking will vary from part to part.
Pin No.
DSBGA
A2
A1
B1
B2
Symbol
VEN
GND
VOUT
VIN
PIN DESCRIPTIONS
Name and Function
Enable input; disables the regulator when 0.35V. Enables the regulator when 1.0V.
Common ground.
Output voltage. A 1.0 μF Low ESR capacitor should be connected to this Pin. Connect
this output to the load circuit.
Input voltage supply. A 1.0 µF capacitor should be connected at this input.
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ABSOLUTE MAXIMUM RATINGS (1)(2)(3)
VIN Pin: Input Voltage
VOUT Pin: Output Voltage
VEN Pin: Enable Input Voltage
Continuous Power Dissipation (4)
Junction Temperature (TJMAX)
Storage Temperature Range
Maximum Lead Temperature (Soldering, 10 sec.)
ESD Rating (5)
Human Body Model
Machine Model
-0.3 to 6.0V
-0.3 to (VIN + 0.3V) to 6.0V (max)
-0.3 to 6.0V (max)
Internally Limited
150°C
-65 to 150°C
260°C
2 kV
200V
(1) Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under
which operation of the device is specified. Operating Ratings do not imply specified performance limits. For specified performance limits
and associated test conditions, see the Electrical Characteristics tables.
(2) All voltages are with respect to the potential at the GND pin.
(3) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
(4) Internal thermal shutdown circuitry protects the device from permanent damage.
(5) The Human body model is a 100 pF capacitor discharged through a 1.5 kresistor into each pin. The machine model is a 200 pF
capacitor discharged directly into each pin. MIL-STD-883 3015.7
2
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Product Folder Links: LP5990
Copyright © 2007, Texas Instruments Incorporated





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