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Low Power Consumption LDO 6209 Series


General Description 

The 6209 series are a group of positive voltage output, three –pin regulator, that provide a high current even when the input/output Voltage differential is small. Low power consumption and high accuracy is achieved through CMOS technology. They allow input voltages as high as 18V. 


Typical Application 

Cameras, video recorders

Voltage regulator for microprocessor

Voltage regulator for LAN cards

Wireless communication equipment

Audio/Video equipment 


Features

Ultra low quiescent current: 3.0uA(typ)

High input voltage (up to 18V)

Low dropout voltage :80mV@Iout=40mA(VOUT=3.3V)

Output voltage accuracy: ±2%

Maximum output current:250mA(within max.power dissipation,VOUT =3.3V)

Low temperature coefficient


Package

3-pin SOT23-3、SOT89-3、TO-92


Typical Application Circuit

cin.jpg


Pin Configuration

pin.jpg



Pin Assignment

pin n.jpg

Block Diagram

vin.jpg

Absolute Maximum Ratings

par.jpg

Electrical Characteristics

6209A40

 (VIN= VOUT+1.0V,CIN=CL=10uF,Ta=25OC, unless otherwise noted)

param-mvc.jpg

Note :

1.VOUT (T) :Specified Output Voltage 

2.VOUT (E) :Effective Output Voltage ( ie. The output voltage when “VOUT (T)+ 1.0V”is provided at the Vin pin while 

                      maintaining a certain IOUT value.) 

3.VDIF:VIN1 –VOUT (E)’ 

             VIN1:The input voltage when VOUT(E)’ appears as input voltage is gradually decreased. 

             VOUT (E)’=A voltage equal to 98% of the output voltage whenever an amply stabilized IOUT and {VOUT (T)+ 1.0V}

             is  input. 


Precautions 

1.During the test, if AC/DC power supply and the ceramic chip capacitors collocation are used, there may be serious voltage spike phenomenon instantaneously. When the power supply access to 16V, the voltage is rushed to about 30V instantaneously. Because of exceeding the limit voltage of chip, the chip is damaged. If you string a small resistance of 1 ohm in the input end during the test, the peak phenomenon can be avoided. 

2. In the test, there is serious burr phenomenon only when the AC/DC power is used with ceramic chip capacitors. But electrolytic capacitors and tantalum capacitance won't appear above phenomenon. Please be sure to pay attention to this point when you use AC/DC power.

3.In normal use, when any type of capacitor is used with battery or the supply of fire power, the above phenomenon doesn’t occur.


Type Characteristics(6209A40)

(1) Output Voltage VS. Output Current( Ta = 25 °C) (2) Output Voltage VS. Input Voltage

out.jpg

Packaging Information

● Packaging Type: SOT23-3

e.jpg

● Packaging Type: SOT89-3

d.jpg

● Packaging Type:TO-92

c.jpg


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