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PDF AP2126 Data sheet ( Hoja de datos )
| Número de pieza | AP2126 | |
| Descripción | 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
AP2126
The AP2126 is a 300mA, positive Voltage regulator
ICs fabricated by CMOS process.
Each of AP2126 is equipped with a voltage reference,
an error amplifier, a resistor network for setting output
www.DataSheet4U.vcoomltage, a chip enable circuit, a current limit circuit and
OSTD (over temperature shut down) circuit to prevent
the IC from over current and over temperature.
The AP2126 has features of high ripple rejection, low
dropout voltage, low noise, high output voltage
accuracy, and low current consumption which make it
ideal for use in various battery-powered apparatus.
AP2126 has 3.3V fixed voltage version. It is available
in SOT-23-5 Package.
· Low Dropout Voltage: 170mV@300mA
· High Output Voltage Accuracy: ±2%
· High Ripple Rejection:
65dB@ f=1kHz, 45dB@ f=10kHz
· Low Standby Current: 0.1µA
· Low Quiescent Current: 60µA Typical
· Low Output Noise: 60µVrms
· Short Current Limit: 50mA
· Over Temperature Protection
· Compatible with Low ESR Ceramic Capacitor:
1µF for CIN and COUT
· Excellent Line/Load Regulation
· Soft Start Time: 50µs
· Auto Discharge Resistance: RDS(ON)=60Ω
Applications
· Datacom
· Notebook Computers
· Mother Board
Jun. 2008 Rev. 1.1
SOT-23-5
Figure 1. Package Type of AP2126
BCD Semiconductor Manufacturing Limited
1
1 page  
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
Electrical Characteristics (Continued)
(AP2126-3.3V, CIN=1µF, COUT=1µF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.)
AP2126
Parameter
Output Voltage
www.DataSheet4U.cIonmput Voltage
Maximum Output Current
Load Regulation
Line Regulation
Dropout Voltage
Quiescent Current
Standby Current
Power Supply
Rejection Ratio
Output Voltage
Temperature Coefficient
Output Current Limit
Short Current Limit
Soft Start Time
RMS Output Noise
Shutdown "High" Voltage
Symbol
VOUT
VIN
IOUT(MAX)
∆VOUT
/(∆IOUT*VOUT)
∆VOUT
/(∆VIN*VOUT)
VDROP
IQ
ISTD
PSRR
(∆VOUT/VOUT)
/∆T
ILIMIT
ISHORT
tUP
VNOISE
Conditions
VIN=VOUT+1V
1mA≤IOUT≤300mA
VIN-VOUT=1V,
1mA≤IOUT≤300mA
VOUT+0.5V≤VIN≤6V
IOUT=30mA
VOUT=3.3V, IOUT=300mA
VIN=VOUT+1V, IOUT=0mA
VIN=VOUT+1V,
VSHUTDOWN in off mode
Ripple 1Vp-p
VIN=VOUT+1V
f=100Hz
f=1KHz
f=10KHz
IOUT=30mA, -40oC≤TJ≤85oC
VIN-VOUT=1V,
VOUT=0.98*VOUT
VOUT=0V
TA=25oC, 10Hz ≤f≤100kHz
Shutdown input voltage "High"
Shutdown "Low" Voltage
VOUT Discharge MOSFET
RDS(ON)
Shutdown Pull Down Resis-
tance
Shutdown input voltage "Low"
Shutdown input voltage "Low"
Thermal Shutdown
Thermal Shutdown Hysteresis
Min
98%*
VOUT
1.5
0
Typ
450
170
60
0.1
65
65
45
±100
400
50
50
60
60
3
165
30
Max
102%*
VOUT
6
Unit
V
V
mA
0.6 %/A
0.06 %/V
300 mV
90 µA
1.0 µA
dB
dB
dB
ppm/oC
mA
mA
µs
µVrms
6V
0.4 V
Ω
MΩ
oC
oC
Jun. 2008 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
5
5 Page 
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
Mechanical Dimensions
AP2126
SOT-23-5
Unit: mm(inch)
www.DataSheet4U.com
2.820(0.111)
3.020(0.119)
0.100(0.004)
0.200(0.008)
0.950(0.037)
TYP
1.800(0.071)
2.000(0.079)
0.200(0.008)
0.700(0.028)
REF
0.300(0.012)
0.400(0.016)
0°
8°
0.000(0.000)
0.100(0.004)
1.050(0.041)
1.150(0.045)
Jun. 2008 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AP2126.PDF ] | |
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