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PDF LD6911 Data sheet ( Hoja de datos )

Número de pieza LD6911
Descripción Ultra-Fast CMOS LDO Regulator
Fabricantes Leadtrend 
Logotipo Leadtrend Logotipo



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No Preview Available ! LD6911 Hoja de datos, Descripción, Manual

LD6911
300mA, Low Noise, Ultra-Fast CMOS LDO Regulator
REV: 02
General Description
The LD6911 is a micropower linear regulator, featuring
low-noise, low-dropout and high ripple rejection ratio. The
precision of feedback reference voltage is within ±2% and
output current is up to 300mA. As well, the LD6911 can be
stable with a 1μF output capacitor, which will reduce the
board space and cost.
The LD6911 is available in a space saving SOT23-5,
SC70-6 or WDFN-6L package.
+Patented
Features
z Shutdown current <1μA
z Ultra-Fast Response in Load Transient
z High PSRR@70dB@1KHz
z Thermal Shutdown and Current Limiting Protection
z VOUT Discharge Function
z Stable with 1μF Output Capacitor
z Soft Start Operation
z Output Voltage: 1.8V to 3.3V (step 0.1V)
Applications
z Battery-Powered Equipment
z Hand-Held Instruments
Typical Application
VIN
1uF/X5R
VIN
CIN
OUT
LD6911
CE
22 nF
SS
GND
COUT
1uF/X5R
VOUT
Fig.1 Typical Application Circuit
Leadtrend Technology Corporation
LD6911-DS-02, June 2009
1
www.leadtrend.com.tw

1 page




LD6911 pdf
LD6911
Electrical Characteristics
(TA = +25oC unless otherwise stated, VIN=VOUT+1V, CIN=COUT=1μF, Css=22nF)
PARAMETER
INPUT POWER
Input Voltage
Quiescent Current
Shutdown Supply Current
Dropt Voltage
Dropt Voltage
Soft Start
Soft Start Current
OUTPUT
Output Current Limit
Output Voltage Accuracy
Line Regulation
Load Regulation
Ripple Rejection
Output Noise Voltage
Discharge Current
CE
Impedance to GND
CE Input Level
THERMAL PROTECTION
Thermal Shutdown
Hysteresis
CONDITIONS
MIN
VIN>1.2V, IOUT=0mA
CE=GND
2.8
-
-
IOUT=200mA, VOUT>2.8V
IOUT=300mA, VOUT>2.8V
-
RLOAD=1Ω
IOUT=1mA
VIN=Vout+1V, to 5.5V,
IOUT=1mA
1mA<IOUT<300mA
F=120Hz, EIN=1Vrms,
IOUT=10mA
F=10KHz, EIN=1Vrms,
IOUT=10mA
VOUT=3.1V,100Hz~100KHz
IOUT=0mA
CE=High to Low
330
-2
-
-
-
-
-
-
Enable
Disable
VOUT short to GND
1.5
-
TYP
-
140
170
220
7.5
420
0.05
70
60
40
30
200
-
-
145
30
MAX
UNITS
5.5 V
200 μA
1 μA
200 mV
300 mV
- μA
- mA
+2 %
0.2 %/V
0.6 %
- dB
- dB
- μVrms
- mA
KΩ
-V
0.6 V
°C
°C
Leadtrend Technology Corporation
LD6911-DS-02, June 2009
5
www.leadtrend.com.tw

5 Page





LD6911 arduino
WDFN-6L (1.6x1.6)
LD6911
DETAIL X
THE CONFIGURATION OF THE PIN 1
IDENTIFIER IS OPTIONAL AS SHOWN
HERE.
Symbol
A
B
C
D
E
F
G
H
I
M
Dimensions in Millimeters
Min.
Max.
1.500
1.700
1.500
1.700
0.700
0.800
0.200
0.300
0.900
1.100
0.500 TYP
0.203 REF
0.500
0.700
0.000
0.050
0.200
0.300
Dimensions in Inches
Min.
Max.
0.059
0.067
0.059
0.067
0.028
0.031
0.008
0.012
0.035
0.043
0.019 TYP
0.008 REF
0.020
0.028
0.000
0.002
0.008
0.012
Important Notice
Leadtrend Technology Corp. reserves the right to make changes or corrections to its products at any time without notice.
Customers should verify the datasheets are current and complete before placing order.
Leadtrend Technology Corporation
LD6911-DS-02, June 2009
11
www.leadtrend.com.tw

11 Page







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