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PDF L6401 Data sheet ( Hoja de datos )
| Número de pieza | L6401 | |
| Descripción | HIGH SPEED LOW DROPOUT MIDDLE CURRENT VOLTAGE REGULATORS | |
| Fabricantes | LRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de L6401 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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LESHAN RADIO COMPANY, LTD.
HIGH SPEED LOW DROPOUT
MIDDLE CURRENT VOLTAGE REGULATORS
Dual 300mA High Speed Low Dropout CMOS Voltage Regulators
L6401 Series
DESCRIPTION
The L6401 series are highly accurate, Dual , low noise, CMOS LDO voltage regulators.
Performance features of the series includes low output noise, high ripple rejection ratio, low dropout and
very fast turn-on times.
The L6401 includes a reference voltage source, error amplifiers, driver transistors, current limiters
and phase compensators internally. The L6401’s current limiter’s foldback circuit also operates as a
short protect for the output current limiter. The output voltage for each regulator is set independently by
laser trimming. Voltages are selectable in 50mV steps within a range of 1.3V to 5.0V.
The EN function allows the output of each regulator to be turned off independently, resulting in
greatly reduced power consumption. The L6401 series is available in the SOT-26 and USP-6B.
FEATURES
z Output Voltage Range
1.3V to 6.0V (selectable in 50mV steps)
z Highly Accurate
± 2%
z Dropout Voltage
200mV @ 100mA (3.0V type)
z High Ripple Rejection
70dB (1 kHz)
z Low Power Consumption
25μA (TYP.)
z Maximum Output Current
300mA
z Standby Current
less than 0.1μA
z Internal protector
current limiter and short protector
z Small packages
SOT-26 and other required
APPLICATIONS
z Mobile phones
z Portable games
z Cordless phones and radio communication
z Portable AV equipment
equipment
z PDAs
z Cameras, Video cameras
PACKAGE
z SOT-26
z USP-6B
BLOCK DIAGRAM
EN1
VIN
VSS
EN2
ON/OFF
Control
VR1
each
circuit
-
Error
Amp1
+
VR2
each
circuit
ON/OFF
Control
Voltage
Reference
-
Error
Amp2
+
Current
Limit
Current
Limit
V OUT1
R11
R12
V OUT2
R21
R22
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1 page  
LESHAN RADIO COMPANY, LTD.
L6401 Series
Ordering Information
L6401①②③④⑤⑥⑦⑧
DESIGNATOR
DESCRIPTION
Regulator1
①
EN type
②
③④
⑤⑥
⑦
⑧
Regulator2
EN type
Regulator1 Output Voltage
Regulator2 Output Voltage
Packaging Types
Device Orientation
SYMBOL
E
F
G
H
E
F
G
H
13～50
13～50
M
R
L
DESCRIPTION
Active 'High' (pull-down resistor built in)
Active 'High' (no pull-down resistor built in)
Active 'Low' (pull-up resistor built in)
Active 'Low' (no pull-up resistor built in)
Active 'High' (pull-down resistor built in)
Active 'High' (no pull-down resistor built in)
Active 'Low' (pull-up resistor built in)
Active 'Low' (no pull-up resistor built in)
eg. 30 represents 3.0V
eg. 30 represents 3.0V
SOT26
Embossed tape: Standard feed
Embossed tape: Reverse feed
MARKING
①Represents the product name
SYMBOL
1
PRODUCT NAME
L6401◆◆◆◆◆◆◆◆
②③Represents internally set sequential number
Include the output voltage and enable pin type information.
④Represents the assembly lot no.
0 to 9，A to Z, reversed character of 0 to 9 and A to Z repeated(G,I,J,O,Q W excepted)
5/7
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet L6401.PDF ] | |
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