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