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부품번호 A6110 기능
기능 LOW DROPOUT VOLTAGE REGULATOR
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A6110 데이터시트, 핀배열, 회로
AiT Semiconductor Inc.
www.ait-ic.com
A6110
LOW DROPOUT VOLTAGE REGULATOR
1A CMOS, LOW CONSUMPTION
DESCRIPTION
The A6110 is a low-dropout regulator that operates
the input voltage from 2.5V to 6V and delivers 1 A load
current. The A6110 is available in two types, either
fixed or adjustable output voltage. The output voltage
of the fixed types is preset at an internally trimmed
voltage 1V, 1.2V, 1.3V, 1.5V, 1.8V, 2.5V, 2.7V, 2.8V,
2.85V, 3.0V, 3.2V, 3.3V, 5V or can be made with
options of the output range from 1V to 5V in 50mV
increments. The output range of adjustable types is
from 1V to 5V. The adjustable output voltage is only
available in SOT-89-5 package.
The A6110 consists of a voltage reference unit, an
error amplifier, resistor net for setting output voltage, a
current limit circuit for over-current and a
thermal-shutdown circuit.
A standby mode with ultra low supply current can be
realized with the chip enable function.
The A6110 is available in DFN-6, SOT-89-5,
SOT-89-3, SOT-223-5, SOT-223-3, TO-263-3,
TO-220-3, TO-252-3 and TO-252-5 packages.
FEATURES
Up to 1A Output Current
65uA Operating Supply Current
Excellent Line Regulation: 0.05%/V
Low Dropout: 300mV@1A(VOUT=3.3V)
High Power Supply Rejection Ratio
Wide Operating Voltage Range: 2.5V to 6.0V
High Accuracy:±2%
Built-in Auto Discharge Function
500mA in-rush Current Limit
Fold-back Current Limit Protection
Thermal Shutdown Protection
Available in DFN-6, SOT-89-5, SOT-89-3,
SOT-223-5, SOT-223-3, TO-263-3, TO-220-3,
TO-252-3 and TO-252-5 packages.
ORERING INFORMATION
Package Type
Part Number
DFN-6
J6
A6110J6R-XX
A6110J6VR-XX
SOT-89-5
K5
A6110K5R-XXZ
A6110K5VR-XXZ
SOT-89-3
K3
A6110K3R-XXZ
A6110K3VR-XXZ
SOT-223-5
N5
A6110N5R-XX
A6110N5VR-XX
SOT-223-3
N
A6110NR-XXZ
A6110NVR-XXZ
TO-263-3
S3
A6110S3R-XXZ
A6110S3VR-XXZ
TO-220-3
T3
A6110T3U-XX
A6110T3VU-XX
TO-252-3
D3
A6110D3R-XXZ
A6110D3VR-XXZ
TO-252-5
D5
A6110D5R-XX
A6110D5VR-XX
XX: Output Voltage
25=2.5V, 33=3.3V
Note
V: Green Package
Z: Package Type
see pin description
R: Tape & Reel
AiT provides all Pb free products
Suffix “ V “ means Green Package
APPLICATION
Portable Communication Equipment
Battery-Powered Equipment
Laptop, Palmtops, Notebook Computers
Hand-Held Instruments
PCMCIA Cards and Wireless LAN
Cameras & VCRs
TYPICAL APPLICATION
A6110 in Fixed Output Voltage Version
REV1.3
- OCT 2010 RELEASED, MAY 2011 REVISED -
-1-




A6110 pdf, 반도체, 판매, 대치품
AiT Semiconductor Inc.
www.ait-ic.com
A6110
LOW DROPOUT VOLTAGE REGULATOR
1A CMOS, LOW CONSUMPTION
Top View
Top View
TO-220-3
2
1
-
3
Top View
Pin Number
TO-252-5
1
2,3
4
5
TO-252-3
A
2
1
B
3
2
--
31
Top View
Symbol
Functions
VOUT
GND
CE
VDD
Output Pin
Ground Pin
Chip Enable Pin
(High active)
Input Pin
REV1.3
- OCT 2010 RELEASED, MAY 2011 REVISED -
-4-

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A6110 전자부품, 판매, 대치품
AiT Semiconductor Inc.
www.ait-ic.com
A6110
LOW DROPOUT VOLTAGE REGULATOR
1A CMOS, LOW CONSUMPTION
ELECTRICAL CHARACTERISTICS
VDD=VOUT+1V, if VOUT<1.5V, VDD=2.5V, CE=VDD, CIN=2.2µF, COUT=2.2µF, TA=25°C, unless otherwise specified.
Parameter
Input Voltage
Output Voltage
Symbol
VDD
-
Conditions
Min Typ Max
2.5 -
6
1-5
Units
V
V
Current Limit
ILIM
- 1.0 -
A
Short Circuit Current
ISCC
VOUT=0
- 250 -
Quiescent Current
IQ VCE>1.2V, IOUT=0mA
- 65 120
Standby Current
ISTBY VCE=GND, Shutdown
- 0.01 1
Dropout Voltage
VDROP
IOUT=300mA, VOUT=3.3V
IOUT=1A, VOUT=3.3V
- 90 -
- 300 -
Line Regulation NOTE1
VLINE
VDD=VOUT+0.5V to 6.0V
IOUT=100mA
- 0.05 0.2
Load Regulation NOTE2
VLOAD VDD=VOUT+0.3V, 1mA≤IOUT≤1A - 20 -
Output Voltage NOTE3
Temperature Coefficient
TCVOUT IOUT=100mA, -40°C≤T≤85°C
- ±100 -
CE Input
Logic Low
VIL VDD=3V to 5.5V, Shutdown
- - 0.4
Threshold Logic High
VIH VDD=3V to 5.5V, Start up
1.0 -
-
CE Pull-down Resistance
RCE
-5-
Output Noise Voltage
eNO 10Hz to100KHz, IOUT=1mA
- 45 -
Power
Supply
Rejection
Ratio
f=1kHz
(VOUT≤3.3V)
f=1kHz
(VOUT>3.3V)
PSRR 0.2VP-P Ripple, IOUT=100mA
- 70 -
- 60 -
Thermal Shutdown
Temperature
TSD Shutdown, Temp increasing
- 165 -
Thermal Shutdown
Hysteresis
TSDHY
- 30 -
Output Discharge
Resistance
RDSC
- 50
NOTE1: Line regulation is calculated by DVLINE = VLINE = [(VOUT1 – VOUT2)/ (VDD X VOUT)] X 100
Where VOUT1 is the output voltage when VDD1=6.0V, and VOUT2 is the output voltage when VDD2=VOUT+0.5V,
VDD=VDD1-VDD2. VOUT is the normal output voltage, e.g. VOUT=2.8V for 2.8V fixed output version.
NOTE2: Load regulation is calculated by VLOAD = VOUT1 – VOUT2
Where VOUT1 is the output voltage when IOUT1=1mA, and VOUT2 is the output voltage when IOUT2=1A.
NOTE3: The temperature coefficient is calculated by TCVOUT = VOUT/ (T X VOUT)
-
mA
µA
µA
mV
%/V
mV
ppm/°C
V
V
MΩ
µVRMS
dB
°C
°C
Ω
REV1.3
- OCT 2010 RELEASED, MAY 2011 REVISED -
-7-

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