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PDF AP2125 Data sheet ( Hoja de datos )
| Número de pieza | AP2125 | |
| Descripción | 300mA HIGH SPEED EXTREMELY LOW NOISE CMOS LDO REGULATOR | |
| Fabricantes | BCD | |
| Logotipo |  |
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Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
General Description
Features
AP2125
The AP2125 series are 300mA, positive voltage regu-
lator ICs fabricated by CMOS process.
Each of these ICs is equipped with a voltage reference,
an error amplifier, a resistor network for setting output
voltage, a chip enable circuit, a current limit circuit and
OTSD (over temperature shut down) circuit to prevent
the IC from over current and over temperature.
The AP2125 series have features of high ripple rejec-
tion, low dropout voltage, low noise, high output volt-
age accuracy and low current consumption which
make them ideal for use in various battery-powered
apparatus.
· Excellent Ripple Rejection: 70dB Typical (1.8V
Version)
· Low Dropout Voltage: 65mV (IOUT=100mA,
3.3V Version)
· Low Standby Current: 0.01µA Typical
· Low Quiescent Current: 60µA Typical
· Extremely Low Noise: 50µVrms Typical
· Maximum Output Current: 300mA (Min.)
· High Output Voltage Accuracy: ±2%
· Compatible with Low ESR Ceramic Capacitor
· Excellent Line/Load Regulation
Applications
The AP2125 have 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.15V
and 4.2V fixed voltage versions.
· CDMA/GSM Cellular Handsets
· Battery-powered Equipments
These ICs are available in tiny SC-70-5 and SC-82 · Laptops, Palmtops, Notebook Computers
packages as well as industry standard SOT-23-3 and · Hand-held Instruments
SOT-23-5 packages.
· PCMCIA Cards
· Portable Information Appliances
SOT-23-3
Sep. 2012 Rev. 1. 5
SOT-23-5
SC-70-5
SC-82
Figure 1. Package Types of AP2125
BCD Semiconductor Manufacturing Limited
1
1 page  
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
Absolute Maximum Ratings (Note 1)
AP2125
Parameter
Input Voltage
Enable Input Voltage
Output Current
Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10sec)
Thermal Resistance
ESD (Human Body Model)
ESD (Machine Model)
Symbol
VIN
VCE
IOUT
TJ
TSTG
TLEAD
θJA
ESD
ESD
Value
6.5
-0.3 to VIN+0.3
450
150
-65 to 150
260
SOT-23-3
SOT-23-5
200
200
SC-70-5
300
SC-82
300
6000
400
Unit
V
V
mA
oC
oC
oC
oC/W
V
V
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device.
These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated
under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods
may affect device reliability.
Recommended Operating Conditions
Parameter
Input Voltage
Operating Ambient Temperature Range
Symbol
VIN
TA
Min
VOUT+0.5V
-40
Max
6
85
Unit
V
oC
Sep. 2012 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
5
5 Page 
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2125
Electrical Characteristics (Continued)
AP2125-4.15 Electrical Characteristics
(VIN=5.15V, TA=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.)
Parameter
Output Voltage
Input Voltage
Maximum Output Current
Load Regulation
Line Regulation
Dropout Voltage
Quiescent Current
Symbol
VOUT
VIN
IOUT(MAX)
VRLOAD
VRLINE
VDROP
IQ
Conditions
VIN=5.15V
1mA≤IOUT≤30mA
VIN-VOUT=1V, VOUT=4.06V
VIN=5.15V
1mA≤IOUT≤300mA
5.15V≤VIN≤6V
IOUT=30mA
IOUT=10mA
IOUT=100mA
IOUT=300mA
VIN=5.15V, IOUT=0mA
Min
4.067
300
Typ Max Unit
4.15 4.233 V
6V
360 mA
13 15 mV
1 15 mV
6.5 10
65 100
200 300
mV
60 90 μA
Standby Current
Power Supply
Rejection Ratio
ISTD
PSRR
VIN=5.15V
VCE in OFF mode
Ripple 0.5Vp-p f=100Hz
VIN=5.15V
f=1KHz
Output Voltage
Temperature Coefficient
(ΔVOUT/VOUT)/ΔT IOUT=30mA
Short Current Limit
RMS Output Noise
CE "High" Voltage
ISHORT
VNOISE
VOUT=0V
10Hz ≤f≤100kHz
CE input voltage "High"
CE "Low" Voltage
CE input voltage "Low"
Thermal Shutdown
Thermal Shutdown Hyster-
esis
0.01 1.0 μA
65 dB
65 dB
±100
ppm/oC
50 mA
50 μVrms
1.5 V
0.4 V
160 oC
25 oC
Sep. 2012 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
11
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| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet AP2125.PDF ] | |
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