EC8811 Datasheet PDF - E-CMOS
| Part Number | EC8811 | |
| Description | 1A Adjustable & Fixed Voltage LDO Linear Regulator | |
| Manufacturers | E-CMOS | |
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EC8811
1A Adjustable & Fixed Voltage LDO Linear Regulator
Features
General Description
z Operating Voltage Range +2.3V to +7.0V
The EC8811 series is a low-dropout linear regulator
that operates in the input voltage range from +2.3V
z Output Voltages +1.0V to +5.0V (0.1V Step) to +7.0V and delivers 1.0A output current.
(Fixed), +1.25V to +5.0V (ADJ Type)
z Maximum Output Current 1A
The EC8811 is available in two types, fixed
output voltage type and adjustable output voltage
z Dropout Voltage 700mV @ 1000mA (Fixed) type. The fixed output voltage type is preset at an
internally trimmed voltage 1.0V,1.2V,1.8V, 2.5V, or
z Fast Response in Power-on
3.3V. Other options 1.2V, 1.5V, 2.85V, 3.0V and
(Fixed Voltage Only)
z Low Current Consumption 60µA (Typ.)
3.6V are available by special order only. The output
voltage range of the adjustable type is from 1.25V
to 5V.
z ±2% Output Voltage Accuracy (special ±1% The EC8811 (ADJ type) consists of a 1.25V
band-gap reference, an error amplifier, and a
highly accurate), VOUT 1.8V
P-channel pass transistor. Other features include
z Low ESR Capacitor Compatible
z High Ripple Rejection 55 dB (Typ.)
short-circuit protection and thermal shutdown
protection.
The EC8811 (Fixed type) consists of a 0.95V
z Output Current Limit Protection 1.3A (Typ.) band-gap reference, an error amplifier, and a
P-channel pass transistor. Other features include
z Short Circuit Protection 600mA (Typ.)
short-circuit protection and thermal shutdown
z Thermal Overload Shutdown Protection
z SOT-223, TO-252, TO-263 Packages
protection. The EC8811 series devices are
available in SOT-223, TO-252, TO-263 packages.
z RoHS Compliant and 100% Lead (Pb)-Free
and Green (Halogen Free with Commercial
Standard)
Applications
● Active SCSI Terminators
● Low Voltage Micro-Controllers
● High Efficiency Linear Regulators
● Post Regulator for Switching Power
● Monitor Microprocessors
Simplified Application Circuit
E-CMOS Corp. (www.ecmos.com.tw)
Page: 1/16
2009/05/04-3
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EC8811
1A Adjustable & Fixed Voltage LDO Linear Regulator
Electrical Characteristics
(VIN=5V, TA=25 , unless otherwise noted.)
Symbol
Parameter
Test Conditions
Min Typ Max Unit
VIN Input Voltage
VOUT Output Voltage
IMAX
Output Current
(see note *1)
2.3 7.0
Fixed
Voltage
Type
VIN = VOUT+1.0V, IOUT=1mA,
VOUT 1.8V
-1%
-2%
VIN = VOUT+1.0V, IOUT=1mA,
VOUT 1.8V, VIN 2.4V
-35
VOUT
+1%
+2%
+35
Adjustable
Voltage
Type
VIN = VOUT+1.2V, IOUT=1mA,
VOUT 1.8V
-1%
-2%
VIN = VOUT+1.2V, IOUT=1mA,
VOUT 1.8V, VIN 2.4V
-50
VOUT
-1%
-2%
+50
V
V
mV
V
mV
1.0 A
ILIMIT
VDROP
Current Limit
Dropout Voltage
( For Fixed Voltage)
Dropout Voltage
( For ADJ Voltage)
IOUT=100mA, VOUT 3.0V
IOUT=500mA, VOUT 3.0V
IOUT=1000mA, VOUT 3.0V
IOUT=1000mA, VOUT 3.0V
1.3
50
300
700
1100
A
mV
mV
mV
mV
∆VLINE Line Regulation
VOUT+1.0V VIN 7.0V, IOUT=1mA
For Fixed Voltage Type
VOUT+1.2V VIN 7.0V, IOUT=1mA,
VIN 2.8V
For Adjustable Voltage Type
0.2 0.3 %/V
0.2 %/V
∆VLOAD Load Regulation
VIN=VOUT+1V, 1mA IOUT 100mA
0.01 0.02 %/mA
IQ Ground Pin Current ILOAD=0mA to 1A, VIN = VOUT+1.0V
60 µA
IADJ ADJ Pin Current
ILOAD=0mA to 1A, VIN = VOUT+1.0V
60 µA
ISC Short Circuit Current
600 mA
PSRR Ripple Rejection
IOUT=30mA, F=1KHz, COUT=10uF
55 dB
eN
TSD
THYS
Output Noise
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
IOUT=100mA , F=1KHz, COUT=10uF
40
155
µV(rms)
°C
20 °C
Note
*1) Measured using a double sided board with 1” x 2” square inches of copper area connected to the GND pins
for “heat spreading”.
E-CMOS Corp. (www.ecmos.com.tw)
Page: 5/16
2009/05/04-3
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for EC8811 electronic component. |
| Information | Total 16 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ EC8811.PDF Datasheet ] | |
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