EUP7913 EUTECH [Eutech Microelectronics Inc], EUP7913 Datasheet

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EUP7913

Manufacturer Part Number
EUP7913
Description
300mA Low-Noise LDO Without Bypass Capacitor
Manufacturer
EUTECH [Eutech Microelectronics Inc]
Datasheet

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DESCRIPTION
The EUP7913/A is an efficient CMOS low dropout
(LDO) voltage regulator optimized for ultra-low-noise
applications. It offers high output accuracy, extremely
low dropout voltage, low ground current and fast
start-up time. The EUP7913/A provides a very low
noise output without a bypass capacitor, ideal for RF
applications where a clean supply voltage source is
required. Specifically designed for handheld and
battery-powered devices, the EUP7913/A provides a
TTL-logic-compatible
EUP7913/A is disabled, power consumption drops
nearly to zero. Key features include current limit,
thermal shutdown and faster transient response.
The EUP7913/A works with low-ESR ceramic
capacitors. Available in the SOT23-3 or SOT23-5
space saving package which reduces the amount of
board space necessary for power applications. The
EUP7913/A offers wide fixed output voltage versions.
Block Diagram
DS7913/A Ver1.1 Dec. 2008
enable
300mA Low-Noise LDO
pin.
When
Without Bypass Capacitor
Figure 1.
the
1
FEATURES
APPLICATIONS
2.5V to 5.5V Input Voltage Range
30µV(rms) Output Noise
200mV Dropout @ 300mA
70dB PSRR at 1kHz No Bypass Capacitor
Low 30µA Ground Current
Guaranteed 300mA Output Current
Stable with a 1µF Ceramic Output Capacitor When
V
Excellent Load/Line Transient
Thermal Shutdown and Current Limit
Protection
Available 1.2V to 3.6V fixed output voltages
(50mV increments)
Space-Saving SOT23-3 & SOT23-5 Package
RoHS Compliant and 100% Lead (Pb)-Free
Cellular Phones
Camera Modules
PDA and Palmtop Computers
Consumer/Personal Electronics
OUT
≥ 1.5V, or 2.2µF when V
EUP7913/A
OUT
<1.5V

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EUP7913 Summary of contents

Page 1

... Low-Noise LDO DESCRIPTION The EUP7913 efficient CMOS low dropout (LDO) voltage regulator optimized for ultra-low-noise applications. It offers high output accuracy, extremely low dropout voltage, low ground current and fast start-up time. The EUP7913/A provides a very low noise output without a bypass capacitor, ideal for RF applications where a clean supply voltage source is required ...

Page 2

... Typical Application Circuit Figure 2. EUP7913 Fixed-Voltage Regulator Figure 3. EUP7913A Fixed-Voltage LDO Regulator DS7913/A Ver1.1 Dec. 2008 EUP7913/A 2 ...

Page 3

... OUT DS7913/A Ver1.1 Dec. 2008 Package Type SOT23-5 DESCRIPTION Active chip for logic high. When EN turns logic low, the devices goes shutdown. Ground pin Output voltage of the LDO Input voltage of the LDO No connected 3 EUP7913/A Pin Configurations (Top View) ...

Page 4

... SOT23-5 EUP7913A-18VIR1 SOT23-5 EUP7913A-25VIR1 SOT23-5 EUP7913A-28VIR1 SOT23-5 EUP7913A-285VIR1 SOT23-5 EUP7913A-30VIR1 SOT23-5 EUP7913A-33VIR1 SOT23-5 EUP7913A-475VIR1 SOT23-5 EUP7913/A- □□□ □ □ □ □ DS7913/A Ver1.1 Dec. 2008 Marking DT xxxx DC xxxx DD xxxx DB xxxx DE xxxx DF xxxx DG xxxx DH xxxx xxxxx AF1T xxxxx AF1C xxxxx ...

Page 5

... OUT LOAD V =(V +1V) f=100kHz, IN OUT I =10mA LOAD f=10Hz~100kHz, V =1.5V, OUT No Load R =50Ω,T =+25℃ LOAD A V =2.5V to 5.5V (EUP7913A =2.5V to 5.5V (EUP7913A =5.5V 5.5V (EUP7913A =0,V =3. (EUP7913A when V is 100mV below the value OUT OUT to reach 90% of final value. 5 EUP7913/A -0 ...

Page 6

... Typical Characteristics ( DS7913/A Ver1.1 Dec. 2008 =2.2µF) OUT 6 EUP7913/A ...

Page 7

... Typical Characteristics (continued) Time (100µs/div) Time (40µs/div) DS7913/A Ver1.1 Dec. 2008 EUP7913/A Time (200µs/div) Time (200µs/div) 7 ...

Page 8

... Typical Characteristics (continued) Time (100µs/div) DS7913/A Ver1.1 Dec. 2008 EUP7913/A Time (100µs/div) 8 ...

Page 9

... On/Off Input Operation The EUP7913A is turned off by pulling the EN pin low, and turned on by pulling it high. If this pin is floating, the regulator will always be on .To assure proper operation, the signal source used to drive the V to swing above and below the specified turn-on/off voltage thresholds listed in the Electrical Characteristics. ...

Page 10

... Packaging Information SYMBOLS DS7913/A Ver1.1 Dec. 2008 SOT23-3 MILLIMETERS MIN. MAX. - 1.30 0.00 0.15 2.90 1.60 2.60 3.00 0.30 0.60 0.30 0.50 0.95 10 EUP7913/A INCHES MIN. MAX. - 0.052 0.000 0.006 0.114 0.063 0.102 0.118 0.012 0.024 0.012 0.020 0.037 ...

Page 11

... SYMBOLS DS7913/A Ver1.1 Dec. 2008 SOT23-5 MILLIMETERS MIN. MAX. - 1.30 0.00 0.15 2.90 1.60 2.60 3.00 0.30 0.60 0.30 0.50 0.95 11 EUP7913/A INCHES MIN. MAX. - 0.052 0.000 0.006 0.114 0.063 0.102 0.118 0.012 0.024 0.012 0.020 0.037 ...

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