GRM42-6X5R475K10 Impala Linear Corporation, GRM42-6X5R475K10 Datasheet

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GRM42-6X5R475K10

Manufacturer Part Number
GRM42-6X5R475K10
Description
50/100M SOT-23 CMOS RF LDO REGULATORS
Manufacturer
Impala Linear Corporation
Datasheet

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GRM42-6X5R475K10D5
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The ILC7080/81 are 50 or 100mA low dropout (LDO) volt-
age regulators designed to provide a high performance
solution to low power systems.
The devices offer a typical combination 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 devices have been optimized to meet the needs of
modern wireless communications design; Low noise, low
dropout, small size, high peak current, high noise immuni-
ty. The ILC7080/81 are designed to make use of low cost
ceramic capacitors while outperforming other devices that
require tantalum capacitors.
ILC7080/81 1.1
General Description
Typical Circuit
ILC7080/81
50/100mA SOT-23 CMOS RF LDO™ Regulators
Impala Linear Corporation
V
V
OUT
C
IN
OUT
Impala Linear Corporation
5
1
SOT23-5
ILC7080
ILC7081
2
4
3
ON
OFF
C
(408) 574-3939
NOISE
• Ultra low 1mV dropout per 1mA load
• 1% output voltage accuracy
• Uses low ESR ceramic output capacitor to minimize
• Only 100µA ground current at 100mA load
• Ripple rejection up to 85dB at 1kHz, 60dB at 1MHz
• Less than 80µV
• Excellent line and load transient response
• Over current / over temperature protection
• Guaranteed up to 80/150mA output current
• Industry standard five lead SOT-23 package
• Fixed 2.85V, 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
Note: Fixed voltage options are defined by 2-digit code as shown in the
package markings information section of the datasheet.
www.impalalinear.com
Features
noise and output ripple
output voltage options
2.5 to 10V
Applications
ILC7080AIM5-xx
ILC7080AIM5-ADJ
ILC7081AIM5-xx
ILC7081AIM5-ADJ
Ordering Information (T
RMS
noise at BW = 100Hz to 100kHz
50mA, fixed voltage
50mA adjustable voltage
100mA, fixed voltage
100mA, adjustable voltage
A
= -40°C to +85°C)
Sept. 1998
1

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GRM42-6X5R475K10 Summary of contents

Page 1

... C ILC7081 OUT Impala Linear Corporation ILC7080/81 1.1 Features • Ultra low 1mV dropout per 1mA load • 1% output voltage accuracy • Uses low ESR ceramic output capacitor to minimize noise and output ripple • Only 100µA ground current at 100mA load • ...

Page 2

... SOT23-5 5 ILC7080-xx ILC7081- GND IN Impala Linear Corporation ILC7080/81 1.1 (fixed voltage version) Connect direct to supply IN Ground pin. Local ground for C By applying less than 0.4V to this pin the device will be turned off. Optional noise bypass capacitor may be connected between this pin and GND (pin 2). Do not connect C power ground plane ...

Page 3

... Unless otherwise specified, all limits are at T Boldface limits apply over the operating temperature range. (Note 2) Parameter Symbol Input Voltage Range Output voltage Feedback Voltage (ADJ version) Line Regulation (V OUT Dropout voltage (Note Impala Linear Corporation ILC7080/81 1.1 Symbol ON/OFF I OUT V OUT J(max) ...

Page 4

... Note 3: Dropout voltage is defined as the input to output differential voltage at which the output voltage drops 2% below the nominal value measured with a 1V differential. Note 4: Guaranteed by design Note 5: The device’s shutdown pin includes a 2MW internal pull down resistor connected to ground. Impala Linear Corporation ILC7080/81 1.1 = 25°C; V ...

Page 5

... The error ampli- fier has a dominant pole at low frequency and a “zero” which cancels out the effects of the pole. The zero allows Impala Linear Corporation ILC7080/81 1.1 the regulator to have gain out to the frequency where the output pole continues to reduce the gain to unity. The con- figuration of the poles and zero are shown in figure 1 ...

Page 6

... Thermal protection protects the regulator from such fault conditions and is a necessary requirement in today’s designs. In normal operation, the die temperature should be limited to under 150°C. Impala Linear Corporation ILC7080/81 1.1 INTERNAL ...

Page 7

... Note that there is a parasitic diode from the LDO regulator output to the input. If the input voltage swings below the regulator’s output voltage by a couple of hundred milivolts then the regulator may be damaged. This condition must be avoided. In many applications a large value input capacitor, Impala Linear Corporation ILC7080/81 1 ...

Page 8

... With a degree of care, the ILC7080/81 will yield outstanding performance. Impala Linear Corporation ILC7080/81 1.1 Printed Circuit Board Layout Guidelines As was mentioned in the previous section, to take full advantage of any high performance LDO regulator requires paying careful attention to grounding and printed circuit board (PCB) layout ...

Page 9

... Evaluation Board Parts List For Printed Circuit Board Shown Above Label Part Number U1 ILC7081AIM5-30 J1 69190-405 C GRM40 Y5V 105Z16 IN C ECU-V1H103KBV NOISE C GRM42- OUT 6X5R475K10 Grounding Recommendations 1. Connect C between V of the ILC7080/81 and the IN IN “GROUND PLANE”. 2. Keep the ground side of C OUT the “ ...

Page 10

... X5R 0 to 150mA X5R 0 to 150mA X5R 0 to 150mA X7R (408) 574-3939 www.impalalinear.com Part Number Capacitor Vendor C2012X5R1A105KT GRM40X7R105K010 muRata LMK212BJ105KG Talyo-Yuden GRM42-6X7R105K016 muRata EMK316BJ105KL Talyo-Yuden TMK316BJ105KL Talyo-Yuden GRM40X5R225K 6.3 muRata C2012X5R0J225KT EMK316BJ225ML Talyo-Yuden GRM42-6X5R475K010 muRata LMK316BJ475ML Talyo-Yuden TDK TDK 10 Sept. 1998 ...

Page 11

... C = 1µF (Ceramic) OUT I = 50mA OU T 125 I = 150mA OU T 100 I = 100mA OUT (V) IN Impala Linear Corporation ILC7080/81 1 1V, ON/OFF pin tied OUT(NOM) 100 150 I = 150mA 100mA 50mA OUT = 0mA 85 = 10mA I = 0mA OUT 10 12 ...

Page 12

... SOT-23 CMOS RF LDO™ Regulators TYPICAL PERFORMANCE CHARACTERISTICS Unless otherwise specified T T=25° Characterization at output currents above 50mA applies to ILC7081 5µs/div Impala Linear Corporation ILC7080/81 1 1V, ON/OFF pin tied OUT(NOM) (408) 574-3939 www.impalalinear.com IN Sept. 1998 12 ...

Page 13

... SOT-23 CMOS RF LDO™ Regulators TYPICAL PERFORMANCE CHARACTERISTICS Unless otherwise specified T T=25° Characterization at output currents above 50mA applies to ILC7081 Impala Linear Corporation ILC7080/81 1 1V, ON/OFF pin tied OUT(NOM) (408) 574-3939 www.impalalinear.com IN Sept. 1998 13 ...

Page 14

... SOT-23 CMOS RF LDO™ Regulators TYPICAL PERFORMANCE CHARACTERISTICS Unless otherwise specified T T=25° Characterization at output currents above 50mA applies to ILC7081 Impala Linear Corporation ILC7080/81 1 1V, ON/OFF pin tied OUT(NOM) (408) 574-3939 www.impalalinear.com IN Sept. 1998 14 ...

Page 15

... Output voltage (V) Grade 2.85 A 3.0 A 3.3 A 3.6 A 4.7 A 5.0 A ADJ A *Note: First two characters identify the product and the last two characters identify the date code. Impala Linear Corporation ILC7080/81 1.1 Order Information *Package Marking A ILC7080AIM5-285 A ILC7080AIM5-30 A ILC7080AIM5-33 A ILC7080AIM5-36 A ILC7080AIM5-50 A ILC7080AIM5-ADJ Order Information *Package Marking ...

Page 16

... Life Support Policy Impala Linear Corporation’s products are not authorized for use as critical components in life support devices or systems. 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use pro- vided in the labeling, can be reasonably expected to result in a significant injury to the user ...

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