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Teilenummer | EC50117EBG |
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Beschreibung | 1A Positive Voltage Regulators | |
Hersteller | E-CMOS | |
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Gesamt 10 Seiten 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
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, 3.0V≤Vin≤8V
10mA≤Io≤1A, TA =25°C, 3.0V≤Vin≤8V
1.470
1.455
1.5
1.5
EC50117B , Io=10mA, TA =25°C, 3.3V≤Vin≤8V
10mA≤Io≤1A, TA =25°C, 3.3V≤Vin≤8V
1.764
1.746
1.8
1.8
VO Output Voltage (1)
EC50117C , Io=10mA, TA =25°C, 4.0V≤Vin≤8V
10mA≤Io≤1A, TA =25°C, 4.0V≤Vin≤8V
2.450
2.425
2.5
2.5
EC50117E , Io=10mA, TA =25°C, 4.2V≤Vin≤8V
10mA≤Io≤1A, TA =25°C, 4.2V≤Vin≤8V
2.646
2.619
2.7
2.7
VREF
Reference Voltage(1)
(ADJ. Voltage Version)
EC50117H , Io=10mA, TA =25°C, 4.5V≤Vin≤8V
10mA≤Io≤1A, TA =25°C, 4.5V≤Vin≤8V
EC50117K , Io=10mA, TA =25°C, 4.75V≤Vin≤8V
10mA≤Io≤1A, TA =25°C, 4.75V≤Vin≤8V
EC50117ADJ, (VIN-VOUT)=1.5V, IOUT=10mA
10mA≤Io≤1A,1.8V≤ VIN≤8V,
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
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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
6 Page | ||
Seiten | Gesamt 10 Seiten | |
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