gs2905 ETC-unknow, gs2905 Datasheet

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gs2905

Manufacturer Part Number
gs2905
Description
500ma Cmos Voltage Regulator
Manufacturer
ETC-unknow
Datasheet

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gs2905X15F
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GLOBALTECH
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20 000
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gs2905X18F
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gs2905X25F
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GS2905
500mA CMOS LDO Voltage Regulator
Product Description
The GS2905 series is a group of positive voltage output, three-pin regulators, that provide
a high current even when the input/output voltage differential is small. Low power
consumption and high accuracy is achieved through CMOS and programmable fuse
technologies. Output voltage: 1.5V to 6.0V.
The GS2905 consists of a high-precision voltage reference, an error correction circuit, and
a current limited output driver. Transient response to load variations has improved in
comparison to the existing series.
The GS2905 incorporates both over-temperature and over-current protection. SOT-89 and
SOT-223 packages are available.
www.globaltechsemi.com
Features
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(± 1% for semi-custom products)
Protection
300mA
Maximum output current: 500mA
Highly accurate: Output voltage ± 1.4%
Low power consumption
Over-Current and Over-temperature
Small input/output differential:0.3V at
Applications
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1
LAN Cards and DVD.
Wireless Communication Systems
Battery-Operated Systems
Portable Computer
Portable Cameras and Video Recorders
Voltage Regulator for Microprocessor
Reference Voltage Sources
Voltage Regulator for CD- ROM Drivers,
Instrumentation
Pagers
GS2905

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gs2905 Summary of contents

Page 1

... GS2905 500mA CMOS LDO Voltage Regulator Product Description The GS2905 series is a group of positive voltage output, three-pin regulators, that provide a high current even when the input/output voltage differential is small. Low power consumption and high accuracy is achieved through CMOS and programmable fuse technologies ...

Page 2

... Pin1 = GND Pin2 = V IN Pin3 = V OUT Ordering Information SOT-89 GS2905Y15 GS2905Y18 GS2905Y25 GS2905Y33 GS2905Y36 GS2905Y50 *GS2905XF, X means package type and F means Lead Free part. *For other output voltages, please contact factory. www.globaltechsemi.com CURRENT LIMITING THERMAL SHUTDOWN 0.9V REFERENCE GS2905X (SOT-223) SOT-223 GS2905X15 GS2905X18 ...

Page 3

... Maximum Unit 120 C/W 100 6.5 500 -65 to 150 300 Test Min Typ. Max -1.4% - 1.4% -4.5% - 2.0% - 0.1 0.3 - 0.005 0.04 500 500 - 15 30 100 180 600 900 150 300 750 900 200 400 1100 1500 GS2905 Unit V %/V %/ µ ...

Page 4

... Line Regulation Figure. 1 6.5V 3. OUT 3 GS2905-3 GND Load Regulation Figure. 2 PULSE WITH DUTY V =6V IN CYCLES OUT 3 GS2905-3.3 2 GND 0.1mA Ground Current Figure =3. OUT 3 GS2905-3.3 2 GND 33 V Io=100mA Globaltech Semiconductor Io=1mA Io=500mA GS2905 ...

Page 5

... Typical Performance Characteristics Output Voltage VS. Temperature 102 101 100 TEMPERATURE Load Transient Response 20 0 -20 -40 -60 300 TIME www.globaltechsemi.com Ground Current VS. Input Voltage 15 Globaltech Semiconductor INPUT VOLTAGE(V) GS2905 ...

Page 6

... Many Aluminum electrolytic have electrolytes that freeze at about -30°C, so solid tantalums are recommended for operation below -25°C. The value of this capacitor may be increased without limit. A 0.1µF capacitor (or greater) should be placed from the GS2905 input to ground if the lead inductance between the input and power source exceeds 500nH (approximately 10 inches of trace). ...

Page 7

... Globaltech Semiconductor Θ Dimensions In Inches Min Max 0.060 0.071 0.001 0.004 0.059 0.067 0.024 0.032 0.010 0.014 0.248 0.264 0.114 0.122 0.130 0.146 0.264 0.287 0.091 (TYP) 0.177 0.185 0.069 (TYP) 0.035 GS2905 ...

Page 8

... Globaltech Semiconductor Dimensions In Inches Min Max 0.570 0.061 0.017 0.019 0.014 0.016 0.175 0.179 0.059 0.067 0.055 (TYP) 0.059 (TYP) 0.118 (TYP) 0.163 0.167 0.096 0.100 0.035 0.043 GS2905 ...

Page 9

... No license is granted by implication or otherwise under any patent or patent rights of Globaltech Semiconductor. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information without express written approval of Globaltech Semiconductor. www.globaltechsemi.com Globaltech Semiconductor 9 GS2905 ...

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