SMD Type
Integrate Circuit
IC
1A Low Dropout Positive Adjustable
or Fixed-Mode Regulator
KMB1117
(LMB1117)
TO
-
263
Unit: mm
+0.1
1.27
-0.1
+0.2
4.57
-0.2
Features
1.4V maximum dropout at full load current
Fast transient response
+0.2
8.7
-0.2
+0.1
1.27
-0.1
Output current limiting
Built-in thermal shutdown
Good noise rejection
3-Terminal Adjustable or Fixed 1.5V, 1.8V, 1.9V,2.5V, 3.3V, 5.0V
+0.1
1.27
-0.1
0.1max
+0.1
0.81
-0.1
+0.2
5.28
-0.2
2.54
+0.2
-0.2
+0.1
5.08
-0.1
+0.2
2.54
-0.2
+0.2
15.25
-0.2
2.54
+0.2
0.4
-0.2
Absolute Maximum Ratings Ta = 25
Parameter
DC Supply Voltage
Power Dissipation
Thermal Resistance Junction-to-Ambient
Thermal Resistance Junction-to-Case *
Operating Junction Temperature Range
Storage Temperature
* Control Circuitry/Power Transistor
Symbol
V
in
P
D
JA
JC
Rating
-0.3 to 12
Internally Limited
85
0.65/2.7
0 to +150
-65 to +150
Unit
V
/W
/W
T
OP
T
ST
Block Diagram
5.60
1 Adj(GND)
2 Vout
3 Vin
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SMD Type
KMB1117
(LMB1117)
Electrical Characteristics Ta = 25
Parameter
Reference Voltage
KMB1117-ADJ T
J
=25
KMB1117-1.5
KMB1117-1.8
Output Voltage
KMB1117-1.9
KMB1117-2.5
KMB1117-3.3
KMB1117-5.0
Line Regulation
Testconditons
,(V
IN
-O
UT
)=1.5V,I
O
=10mA
, 3V
, 3.3V
, 3.3V
, 4V
, 4.8V
, 6.5V
V
IN
12V
V
IN
12V
V
IN
12V
V
IN
12V
V
IN
12V
V
IN
12V
IC
Integrate Circuit
Min
1.225
1.470
1.764
1.862
2.450
3.235
4.900
Typ
1.250
1.500
1.800
1.900
2.500
3.300
5.000
Max
1.275
1.530
1.836
1.938
2.550
3.365
5.100
0.2
1
Unit
V
V
V
V
V
V
V
%
%
mV
mV
mV
mV
mV
mV
V
A
I
OUT
= 10mA, T
J
= 25
I
OUT
= 10mA, T
J
= 25
I
OUT
= 10mA, T
J
= 25
I
OUT
= 10mA, T
J
= 25
I
OUT
= 10mA, T
J
= 25
I
OUT
= 10mA, T
J
= 25
KMB1117-XXX I
O
=10mA,V
OUT
+1.5V
KMB1117-ADJ V
IN
=3.3V,V
adj
=0,0mA
KMB1117-1.5
KMB1117-1.8
V
IN
=3V,0mA
V
IN
=3.3V,0mA
V
IN
=3.3V,0mA
V
IN
=4V,0mA
V
IN
=5V,0mA
V
IN
=8V,0mA
I
o
I
o
I
o
I
o
I
o
I
o
V
IN
12V, T
J
=25
I
o
1A,T
J
=25
12
15
16
20
26
40
1.3
1. 1
5
0.008
1A,T
J
=25
1A,T
J
=25
1A,T
J
=25
1A,T
J
=25
1A,T
J
=25
1A,T
J
=25
15
18
19
25
33
50
1.4
Load Regulation
KMB1117-1.9
KMB1117-2.5
KMB1117-3.3
KMB1117-5.0
Dropout Voltage (V
IN
-V
OUT
)
Current Limit
Minimum Load Current
Thermal Regulation
Ripple Rejection
Temperature Stability
KMB1117-XXX I
OUT
= 1A ,
V
OUT
=0.1%V
OUT
KMB1117-XXX (V
IN
-V
OUT
) = 5V
KMB1117-XXX 0
Tj
125
, 30ms pulse
10
0.04
mA
%/W
T
A
=25
F=120Hz,C
OUT
=25uF Tantalum, I
OUT
=1A
KMB1117-XXX V
IN
=V
OUT
+3V
I
O
=10mA
60
0.5
70
dB
%
2
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SMD Type
KMB1117
(LMB1117)
Typical Characteristics
IC
Integrate Circuit
Fig.1 Dropout Voltage vs Output Current
Fig.2 Load Regulation vs Temperature
Fig.3 Percent Change in Output Voltage vs Temperature
Fig.4 Line Regulation
Fig.5 Line Transient Response
Fig.6 Load Transient Response
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