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LP5900SD-2.0 Datasheet(PDF) 4 Page - Texas Instruments

Part # LP5900SD-2.0
Description  LP5900 Ultra Low Noise, 150 mA Linear Regulator for RF/Analog Circuits Requires No Bypass Capacitor
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP5900SD-2.0 Datasheet(HTML) 4 Page - Texas Instruments

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LP5900
SNVS358O – JULY 2005 – REVISED MAY 2013
www.ti.com
Thermal Properties
Junction to Ambient Thermal Resistance
θJA
(1)
JEDEC Board (DSBGA)
(2)
88°C/W
4L Cellphone Board (DSBGA)
157.4°C/W
JEDEC Board (WSON-6)(2)
77.3°C/W
(1)
Junction-to-ambient thermal resistance is highly application and board-layout dependent. In applications where high maximum power
dissipation exists, special care must be paid to thermal dissipation issues in board design.
(2)
Detailed description of the board can be found in JESD51-7
Electrical Characteristics
Limits in standard typeface are for TA = 25ºC. Limits in boldface type apply over the full operating junction temperature range
(-40°C
≤ TJ ≤ +125°C). Unless otherwise noted, specifications apply to the LP5900 Typical Application Circuit (pg. 1) with: VIN
= VOUT (NOM) + 1.0V, VEN = 1.2V, CIN = COUT = 0.47 μF, IOUT = 1.0 mA.
(1), (2)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VIN
Input Voltage
2.5
5.5
V
ΔVOUT
Output Voltage Tolerance
VIN = (VOUT(NOM) + 1.0V) to 5.5V, IOUT = 1
−2
2
%
mA to 150mA
Line Regulation
VIN = (VOUT(NOM) + 1.0V) to 5.5V, IOUT = 1
0.05
%/V
mA
Load Regulation
IOUT = 1 mA to 150 mA
0.001
%/mA
ILOAD
Load Current
(3)
0
mA
Maximum Output Current
150
IQ
Quiescent Current (4)
VEN = 1.2V, IOUT = 0 mA
25
50
VEN = 1.2V, IOUT = 150 mA
160
230
µA
VEN = 0.3V (Disabled)
0.003
1.0
IG
Ground Current (5)
IOUT = 0 mA (VOUT = 2.5V)
30
µA
VDO
Dropout Voltage(6)
IOUT = 150 mA
80
150
mV
ISC
Short Circuit Current Limit
(7)
300
mA
PSRR
Power Supply Rejection Ratio
f = 100 Hz, IOUT = 150 mA
85
(8)
f = 1 kHz, IOUT = 150 mA
75
f = 10 kHz, IOUT = 150 mA
65
dB
f = 50 kHz, IOUT = 150 mA
52
f = 100 kHz, IOUT = 150 mA
40
en
Output Noise Voltage
BW = 10 Hz to 100
IOUT = 0 mA
7
μVRMS
(8)
kHz, VIN = 4.2V
IOUT = 1 mA
10
IOUT = 150 mA
6.5
TSHUTDOWN
Thermal Shutdown
Temperature
160
ºC
Hysteresis
20
Login Input Thresholds
VIL
Low Input Threshold (VEN)
VIN = 2.5V to 5.5V
0.4
V
VIH
High Input Threshold (VEN)
VIN = 2.5V to 5.5V
1.2
V
(1)
All voltages are with respect to the potential at the GND pin.
(2)
Min and Max limits are specified by design, test, or statistical analysis. Typical numbers are not ensured, but do represent the most
likely norm.
(3)
The device maintains a stable, regulated output voltage without a load current.
(4)
Quiescent current is defined here as the difference in current between the input voltage source and the load at VOUT.
(5)
Ground current is defined here as the total current flowing to ground as a result of all input voltages applied to the device.
(6)
Dropout voltage is the voltage difference between the input and the output at which the output voltage drops to 100 mV below its
nominal value. This parameter only applies to output voltages above 2.5V.
(7)
Short Circuit Current is measured with VOUT pulled to 0v and VIN worst case = 6.0V.
(8)
This specification is specified by design.
4
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