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EC50117BB1G Schematic ( PDF Datasheet ) - E-CMOS

Teilenummer EC50117BB1G
Beschreibung 1A Positive Voltage Regulators
Hersteller E-CMOS
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Gesamt 10 Seiten
EC50117BB1G Datasheet, Funktion
1A Positive Voltage Regulators
EC50117
Introduction
The EC50117 series of high performance low dropout
voltage regulators are designed for applications that
require efficient conversion and fast transient
response.
Applications
z Active SCSI Terminators
z High Efficiency Linear Regulators
z 5V to 3.3V Linear Regulators
z Motherboard Clock Supplies
Features
z Low Dropout Performance
z Guaranteed 1A Output Current
z Wide Input Supply Voltage Range
z Over-temperature and Over-current Protection
z Fixed or Adjustable Output Voltage
z Rugged 2KV ESD withstand capability
z Available in SOT-223 & TO-252 & SOT-89
Packages
Pin Configuration (TOP-VIEW)
Package: SOT-223
Package: SOT-223 (B1)
Package: TO-252
Package: SOT-89
E-CMOS Corp. (www.ecmos.com.tw)
Page 1 of 10
2007/09/17






EC50117BB1G Datasheet, Funktion
1A Positive Voltage Regulators
EC50117
Electrical Characteristics
VIN, MAX 8V, VIN, MIN – VOUT = 1.5V, IOUT = 10mA, CIN = 10µF, COUT = 22µF, TA = 25°C, unless otherwise specified.
Limits appearing in Boldface type apply the maximum load, 1A.
Symbol Parameter
Test Condition
Min Typ
(VIN-VOUT)=1.5V, IOUT=10mA, TA=25°C
(-2%)
EC50117A , Io=10mA, TA =25°C, 3.0VVin8V
10mAIo1A, TA =25°C, 3.0VVin8V
1.470
1.455
1.5
1.5
EC50117B , Io=10mA, TA =25°C, 3.3VVin8V
10mAIo1A, TA =25°C, 3.3VVin8V
1.764
1.746
1.8
1.8
VO Output Voltage (1)
EC50117C , Io=10mA, TA =25°C, 4.0VVin8V
10mAIo1A, TA =25°C, 4.0VVin8V
2.450
2.425
2.5
2.5
EC50117E , Io=10mA, TA =25°C, 4.2VVin8V
10mAIo1A, TA =25°C, 4.2VVin8V
2.646
2.619
2.7
2.7
VREF
Reference Voltage(1)
(ADJ. Voltage Version)
EC50117H , Io=10mA, TA =25°C, 4.5VVin8V
10mAIo1A, TA =25°C, 4.5VVin8V
EC50117K , Io=10mA, TA =25°C, 4.75VVin8V
10mAIo1A, TA =25°C, 4.75VVin8V
EC50117ADJ, (VIN-VOUT)=1.5V, IOUT=10mA
10mAIo1A,1.8VVIN8V,
2.940
2.910
3.234
3.201
1.225
1.212
3.0
3.0
3.3
3.3
1.250
1.250
IO
VSR
VLR
Output Current
Line Regulation(1)
Load Regulation(1)
(VIN-VOUT)=1.5V
IOUT=10mA
(VIN-VOUT)=1.5V, 10mA IOUT 1A
——
0.3
0.5
IQ Quiescent Current
Fixed Output Version
3.3
IADJ
Adjust Pin Current
65
IADJ
VD
Adjust Pin Current Change
Dropout Voltage(2)
10mA IOUT 1A
VREF = 2%, IOUT =1A
0.2
1.2
ID
Minmum Load Curren
4
ICL Current Limit
1.8
TC
Temperature Coefficient
0.07
OTP
Thermal Protection
175
VN RMS Output Noise
TA = 25°C, 10Hz f 10KHz
0.003
F=120Hz, COUT=22uF(Tantalum),
RA Ripple Rejection Ratio
(VIN-VOUT)=3V,IOUT=1A
35
Notes:
1. Low duty cycle pulse testing with which TJ remains unchanged.
2. VOUT, VREF = 2%.
Max
(+2%)
1.530
1.545
1.836
1.854
2.550
2.575
2.754
2.781
3.060
3.090
3.366
3.399
1.275
1.287
1
Unit
V
V
A
%
%
mA
uA
uA
V
mA
A
%/°C
°C
%VO
dB
E-CMOS Corp. (www.ecmos.com.tw)
Page 6 of 10
2007/09/17

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