ILC7082AIM5-30 IMPALA [Impala Linear Corporation], ILC7082AIM5-30 Datasheet

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ILC7082AIM5-30

Manufacturer Part Number
ILC7082AIM5-30
Description
150MA SOT-23 ULTRA LOW NOISE CMOS RF-LDO REGULATOR
Manufacturer
IMPALA [Impala Linear Corporation]
Datasheets

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Part Number:
ILC7082AIM5-30
Manufacturer:
FAIRCHILD
Quantity:
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Part Number:
ILC7082AIM5-30
Manufacturer:
IMP
Quantity:
20 000
The ILC7082 is a 150mA low dropout (LDO) voltage regu-
lator designed to provide a high performance solution to
low power systems. The device offers a typical combina-
tion of low dropout and low quiescent current expected
of CMOS parts, while uniquely providing the low noise and
high ripple rejection characteristics usually only associated
with bipolar LDO regulators.
The device has been optimized to meet the needs of mod-
ern wireless communications design; Low noise, low
dropout, small size, high peak current, high noise immunity.
The ILC7082 is designed to make use of low cost ceramic
capacitors while outperforming other devices that require
tantalum capacitors.
ILC7082 1.3
General Description
TYPICAL CIRCUIT
ILC7082
150mA SOT-23 Ultra Low Noise
CMOS RF-LDO™ Regulator
Impala Linear Corporation
V
V
C
OUT
IN
IN
C
OUT
Impala Linear Corporation
5
1
ILC7082
SOT-23-5
2
3
4
ON
C
(408) 574-3939
NOISE
OFF
• Ultra low 1mV dropout per 1mA load
• 1% output voltage accuracy
• Only 30mV
• Uses low ESR ceramic output capacitor to minimize
• Only 100 A ground current at 100mA load
• Ripple rejection up to 85dB at 1kHz, 60dB at 1MHz
• Excellent line and load transient response
• Over current / over temperature protection
• Guaranteed to 150mA output current
• Industry standard five lead SOT-23 package
• Fixed 2.8V, 3.0V, 3.3V, 3.6V, 4.7V, 5.0V and adjustable
• Metal mask option available for custom voltages between
• Cellular phones
• Wireless communicators
• PDAs / palmtops / organizers
• Battery powered portable electronics
Applications
ILC7082AIM5-xx
ILC7082AIM5-ADJ
ILC7082AIK-xx 150mA
www.impalalinear.com
Features
noise and output ripple
output voltage options
2.5V and 10V
Ordering Information (TA = -40°C to +85°C)
RMS
noise
150mA, fixed voltage
150mA, adjustable voltage
Fixed voltage (SOIC-8)
April 1999
1

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ILC7082AIM5-30 Summary of contents

Page 1

... Metal mask option available for custom voltages between 2.5V and 10V Applications • Cellular phones • Wireless communicators • PDAs / palmtops / organizers • Battery powered portable electronics 4 C NOISE ILC7082AIM5-xx ILC7082AIM5-ADJ 3 ILC7082AIK-xx 150mA ON OFF (408) 574-3939 www.impalalinear.com noise RMS Ordering Information (TA = -40°C to +85°C) 150mA, fixed voltage ...

Page 2

SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator PIN DESCRIPTION ILC7082-XX (fixed voltage version) Pin Number Pin Name GND 3 ON/OFF 4 C NOISE 5 V OUT PIN DESCRIPTION ILC7082-AIK-xx (SOIC fixed voltage version) Pin Number ...

Page 3

... Package Power Dissipation (SOT-23-5) Maximum Junction Temp Range Storage Temperature Operating Ambient Temperature Package Thermal Resistance ELECTRICAL CHARACTERISTICS ILC7082AIM5 Unless otherwise specified. all limits are at T Boldface limits apply over the operating temperature range. (Note 2) Parameter Input voltage Range Output Voltage Feedback ...

Page 4

... SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator ELECTRICAL CHARACTERISTICS ILC7082AIM5 (continued) Unless otherwise specified. all limits are at T Boldface limits apply over the operating temperature range. (Note 2) Parameter Symbol Ground Pin Current Shutdown (OFF) I Current ON/OFF Input V Voltage ON/OFF Pin ...

Page 5

... SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator ELECTRICAL CHARACTERISTICS ILC7082AIM5 (continued) OPERATION The ILC7082 LDO design is based on an advanced circuit configuration for which patent protection has been applied. Typically it is very difficult to drive a capacitive output with an amplifier. The output capacitance produces a pole in the feedback path, which upsets the carefully tailored dominant pole of the internal amplifier ...

Page 6

... SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator ELECTRICAL CHARACTERISTICS ILC7082AIM5 (continued) Shutdown (ON/OFF) Operation The ILC7082 output can be turned off by applying 0.4V or less to the device’s ON/OFF pin (pin 3). In shutdown mode, the ILC7082 draws less than 1mA quiescent current. The output of the ILC7081 is enabled by applying 1 ...

Page 7

SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator Input Capacitor An input capacitor C of value larger should be con- IN nected from V to the main ground plane. This will help to IN filter supply noise ...

Page 8

SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator However, being aware of these current flows, there is also another potential source of induced voltage noise from the resistance inherent in the PCB trace. Figure 6 shows where the additive resistance ...

Page 9

... SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator Figure 8: Recommended application circuit schematic. Evaluation Board Parts List For Printed Circuit Board Shown Above Pin Number Pin Name U1 ILC7082AIM5-30 J1 69190-405 Cin GRM40 Y5V 105Z16 Cnoise ECU-V1H103KBV Cout GRM42-6X5R475K10 GROUNDING RECOMMENDATIONS 1. Connect C ...

Page 10

SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator Recommended Ceramic Output Capacitors Capacitor Size C OUT 0805 1 F “ 0805 “ 0805 “ 1206 “ 1206 “ 1206 0805 2.2 F “ 0805 1206 1206 4.7 F “ 1206 ...

Page 11

SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator TYPICAL PERFORMANCE CHARACTERISTICS Unless otherwise specified T T=25° Output Voltage vs Temperature 3.015 V = 3.0V OUT C = 1µF (Ceramic 3.01 3.005 3 2.995 2.99 2.985 -50 ...

Page 12

SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator TYPICAL PERFORMANCE CHARACTERISTICS Unless otherwise specified T T=25° Load Transient Response 3. 3.0V OUT 3. µF || 0.47 µF (Ceramic 3.05 3.00 2.95 ...

Page 13

SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator TYPICAL PERFORMANCE CHARACTERISTICS Unless otherwise specified T T=25° Spectral Noise Density 50mA 0 2.2µF ...

Page 14

... Adj *Note: First two characters identify the product and the last two identify the date code Output Voltage (V) 2.85 3.3 Impala Linear Corporation ILC7082 1.3 Grade Order Information A ILC7082AIM5-28 A ILC7082AIM5-285 A ILC7082AIM5-30 A ILC7082AIM5-31 A ILC7082AIM5-33 A ILC7082AIM5-36 A ILC7082AIM5-47 A ILC7082AIM5-50 A ILC7082AIM5-Adj Grade Order Information A ILC7082AIM5-285 A ILC7082AIM5-33 (408) 574-3939 www ...

Page 15

SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator Package Outline Dimensions Dimensions shown in mm and (inches). 8-Lead plastic surface mount (SOIC) Impala Linear Corporation ILC7082 1.3 (408) 574-3939 www.impalalinear.com 15 April 1999 ...

Page 16

SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator Package Outline Dimensions Dimensions shown in inches and (mm). 5-Lead plastic surface mount (SOT-23-5) Devices sold by Impala Linear Corporation are covered by the warranty and patent indemnification provisions appearing in its ...

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