ESTEK ET1117

1117
Description
The 111 7 series of positive adjustable and fixed regulators are designed
to provide 1A with high efficiency.
All internal circuitry is designed to operate down to 1.3Vinput to output differential. On-chip Trimming the
adjusts
reference voltage to 1%.
Features
1117
1
•
Dropout voltage
•
Line regulation typically at
•
3
AD J/ G N D V
OUT VIN
0.2%
1117
•
Load regulation typically at 0.4% max
Current limiting and Thermal portection
•
Adijustable output voltage or fixed
1
ADJ / G N D
3
SOT - 89
VOUT VIN
1117
1
Standard3-pin power package
Maximium input
-15V
voltage
•
Operating junction temperature
range
2
1.25V,1.5V,
1.8V,2.5V,2.85V,3.3V,
•
2
1.2V
2
3
TO - 220
•
ADJ / G ND V OUT
- 0 to + 150℃
VIN
TO - 252
Package
Internal Block Digram
BEIJING ESTEK ELECTRONICS CO.,LTD
1
1117
Absolute Maximum Ratings
•
Power Dissipation
•
Input Voltage
•
Operating Junction Temperature Range
•
Storage Temperature
12W
12V-(VO=1.5V,1.8V,2.5V,3.3V)
15V-(VO=5.0V adjustable )
- 65℃
0 to +150℃
to +150
Typical Applications
Vin
VO
1117
+ 10μF
Tantalum
10μF +
Tantalum
FIGURE 1. Fixed-Voltage Model -Basic Connections.
Vin
VO
1117
(Adj)
R1
C1
+
10μF
C3 +
10μF
+
Load
C2
10μF
R2
VO=Vref(1+R2/R1)+IadjR2
FIGURE 2.Adjustable-Voltage Model-Basic Connections
BEIJING ESTEK ELECTRONICS CO.,LTD
2
1117
Electrical Characteristics
(Tj=+25℃,unless otherwise noted)
PARAMETER
CONDITIONS
MIN
TYP
MAX
1.238
1.232
1.250
1.250
1.262
1.268
V
V
1.485
1.477
1.782
1.773
2.475
2.462
2.820
2.807
3.270
3.250
4.950
4.925
1.500
1.500
1.800
1.800
2.500
2.500
2.850
2.850
3.300
3.300
5.000
5.000
1.515
1.522
1.818
1.827
2.525
2.538
2.880
2.893
3.330
3.350
5.050
5.075
V
V
V
V
V
V
V
V
V
V
V
V
1.225
1.470
1.764
2.450
2.790
3.240
4.900
1.250
1.500
1.800
2.500
2.850
3.300
5.000
1.280
1.530
1.836
2.550
2.910
3.360
5.100
V
V
V
V
V
V
V
IO=10mA,Vin-VO=1.5 to 13.75V
IO=0,Vin=3.0V to 12V
IO=0,Vin=3.3V to 12V
IO=0,Vin=4.0V to 12V
IO=0,Vin=4.4V to 12V
IO=0,Vin=4.8V to 12V
IO=0,Vin=6.5V to 15V
0.1
2
2
2
2
3
4
0.2
7
7
7
7
7
10
%
mV
mV
mV
mV
mV
mV
IO=10mA to 1A,Vin-VO=2V
IO=1 to 1A,Vin=3.5V
IO=1 to 1A,Vin=3.8V
IO=1 to 1A,Vin=4.5V
IO=1 to 1A,Vin=4.85V
IO=1 to 1A,Vin=5.3V
IO=1 to 1A,Vin=7.0V
0.2
3
3
3
3
4
5
0.4
10
10
10
10
12
15
%
mV
mV
mV
mV
mV
mV
UNITS
1117(Adjustable)
1117-1.5
1117-1.8
1117-2.5
1117-2.85
1117-3.3
1117-5.0
OUTPUT VOLTAGE
1117(Adjustable)
1117-1.5
1117-1.8
1117-2.5
1117-2.85
1117-3.3
1117-5.0
LINE REGULATION
117(Adjustable)
1117-1.5
1117-1.8
1117-2.5
1117-2.85
1117-3.3
1117-5.0
LOAD REGULATION
1117(Adjustable)(1)
1117-1.5
1117-1.8
1117-2.5
1117-2.85
1117-3.3
1117-5.0
IO=10mA,Vin -VO=2V
IO=10mA to1A,
Vin-VO=1.5 to 13.75V
IO=10mA,Vin=3.5V
IO=0 to 1A,Vin =3.0V to 12V
IO=10mA,Vin=3.8V
IO=0 to 1A,Vin =3.3V to 12V
IO=10mA,Vin=4.5V
IO=0 to 1A,Vin =4.0V to 12V
IO=10mA,Vin=4.85V
IO=0 to 1A,Vin =4.4V to 12V
IO=10mA,Vin=5.3V
IO=0 to 1A,Vin =4.8V to 12V
IO=10mA,Vin=7V
IO=0 to 1A,Vin =6.5V to 15V
Tj=0℃ to +125℃
IO=10mAto1A,Vin-VO=1.5to13.75V
IO=0 to 1A,Vin=3.0V to 12V
IO=0 to 1A,Vin=3.3V to 12V
IO=0 to 1A,Vin=4.0V to 12V
IO=0 to 1A,Vin=4.4V to 12V
IO=0 to 1A,Vin=4.8V to 12V
IO=0 to 1A,Vin=6.5V to 15V
BEIJING ESTEK ELECTRONICS CO.,LTD
3
1117
DROPOUT VOLTAGE (2)
All Models
CURRENT LIMIT
MINIMUM LOAD
CURRENT Adjustable
QUIESCENT CURRENT
Adjust PIN Current vs
Load Current, 1117
TEMPERATURE DRIFT
IO=800mA
IO=1A
IO=1A(Tj=0℃ to +125
Vin -VO=5V
Vin-VO=12V
Vin -VO=5V
IO=10mA, Vin-VO=1.5V to 12V
IO=10mAto1A,Vin-VO=1.5Vto12V
Tj=0℃to+125℃
1000
1.10
1.2
1.2
1250
5
1.20
1.30
1.48
1600
10
V
V
V
mA
mA
5.2
50
0.5
0.5
10
120
5
MA
uA
uA
%
Ordering Information
P ACK AGE
O RDERING NUM BER
1117
TO -220 / SOT- 89 / TO - 252
Address :
M ARKING
ET1117
6A06--6A07
Rm 6A07,Changyin Office Building ,No.88,Yong Ding Road,Hai Dian District ,Beijing
Postalcode:100039
Tel: 86-010-58895780 / 81 / 82 / 83 / 84
Fax : 010-58895793
Http://www.estek.com.cn
Email:[email protected]
REV No:01-060809
BEIJING ESTEK ELECTRONICS CO.,LTD
4