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EC49121 Arkusz danych(PDF) 1 Page - E-CMOS Corporation

Numer części EC49121
Szczegółowy opis  600mA LDO with Fast Enable And Fast Discharge Function
Download  13 Pages
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Producent  E-CMOS [E-CMOS Corporation]
Strona internetowa  http://www.ecmos.com.tw/
Logo E-CMOS - E-CMOS Corporation

EC49121 Arkusz danych(HTML) 1 Page - E-CMOS Corporation

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EC49121
600mA LDO with Fast Enable
And Fast Discharge Function
E-CMOS Corp. (www.ecmos.com.tw)
Page 1 of 13
2009/01/12-2
Description
The EC49121 series is a Low dropout linear
regulator with ON/OFF control and EC49121 can
discharge output capacitor charge fast. The device
operates in the input voltage range from +2.4V to
+7.0V and delivers 600mA output current.
The EC49121 is available in two types, fixed output
voltage type and adjustable output voltage type. The
fixed output voltage type is preset at an internally
trimmed voltage 1.8V, 2.5V, or 3.3V. Other options
1.2V, 1.5V, 2.85V, 3.0V and 3.6V are available by
special order only. The output voltage range of the
adjustable type is from 1.2V to 5V.
The EC49121 (ADJ type) consists of a 1.175V
band gap reference, an error amplifier, and a
P-channel pass transistor. Other features include
short-circuit
protection
and
thermal
shutdown
protection
The EC49121 (Fixed type) consists of a 0.95V
band gap reference, an error amplifier, and a
P-channel pass transistor. Other features include
short-circuit
protection
and
thermal
shutdown
protection, the fixed type version has fast respond and
discharge feature.
The EC49121 series devices are available in
SOT-23-5L,TSOT-23-5L, SC-70-5L packages.
Features
Operating Voltage Range:+2.4V to +7.0V
Output Voltages:+1.0V to +5.0V (0.1V
Step)(Fixed), +1.2V to +5.0V(ADJ Type)
Dropout Voltage:500mV @ 600mA(Fixed)
Fast Response in Turn-on Transient: 35μS
(Type.)
Low Current Consumption 60μA (Type.)
Shutdown Current:0.7μA (Type.)
±2% Output Voltage Accuracy (special ±1%
highly accurate)
Low ESR Capacitor Compatible
High Ripple Rejection:65 dB (Type.)
Output Current Limit Protection 1.0A (Type.)
Short Circuit Protection: 200mA (Type).
Thermal Overload Shutdown Protection
Control Output ON/OFF Function
SOT23-5L ‘TSOT23-5L and SC-70-5L Packages
100% Lead (Pb)-Free and Green (Halogen Free
With Commercial Standard)
Application
Battery-Powered Equipments
Graphic Card.
Peripheral Card.
PCMCIA & New Card
Mini PCI & PCI-Express Cards.
Digital Still Camera
CDMA/GSM Cellular Handsets.
Laptop, Palmtops, Notebook Computers
Portable Information Application.


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