R E C O M M E N D E D O P E R AT I N G C O N D I T I O N S
Parameter
Input Voltage
Operating Voltage
Symbol
Recommended Operating Conditions
Min.
Typ.
Max.
15
12
10
125
Units
LX8117(A/B)-00 / 8117(A/B)-05
LX8117(A/B)-25 / -28 / -33
Input-Output Differential
LX8117(A/B)-00
Operating Ambient Temperature Range
Note 2. Range over which the device is functional.
0
V
V
V
°C
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified: 0°C
≤
T
J
≤
125°C, I
MAX
= 0.8A for the LX8117-xx, I
MAX
= 1.0A for the LX8117A-xx, and I
MAX
= 1.2A for the LX8117B-xx.)
LX8117-00 / 8117A-00 / 8117B-00
(Adjustable)
Parameter
Reference Voltage
Line Regulation (Note 3)
Load Regulation (Note 3)
Dropout Voltage
(Note 4)
LX8117-00
LX8117A/B-00
Current Limit
LX8117-00
LX8117A-00
LX8117B-00
Minimum Load Current (Note 5)
Thermal Regulation
Ripple Rejection
Adjust Pin Current
Adjust Pin Current Change
Temperature Stability
Long Term Stability
RMS Output Noise (% of V
OUT
)
Symbol
V
REF
Test Conditions
LX8117 / 17A / 17B-00
Min. Typ.
Max.
1.238
1.225
1.250
1.250
0.05
0.15
0.97
1.00
1.05
1.15
950
1200
1500
0.5
0.08
75
45
0.2
0.5
0.3
0.003
1.262
1.270
0.2
0.4
1.10
1.15
1.20
1.30
Units
V
V
%
%
V
V
V
V
mA
mA
mA
mA
%/W
dB
µA
µA
%
%
%
I
OUT
= 10mA, (V
IN
- V
OUT
) = 2V, T
J
= 25°C
10mA
≤
I
OUT
≤
I
OUT (MAX)
, 1.4V
≤
(V
IN
- V
OUT
)
≤
10V
∆V
REF
(V
IN
) I
OUT
= 10mA, 1.5V
≤
(V
IN
- V
OUT
)
≤
7V
∆V
REF
(I
OUT
) (V
IN
- V
OUT
) = 3V, 10mA
≤
I
OUT
≤
I
OUT (MAX)
∆V
I
OUT
= 100mA
I
OUT
= 500mA
I
OUT
= I
OUT (MAX)
I
OUT
= I
OUT (MAX)
I
OUT (MAX)
(V
IN
- V
OUT
) = 5V, T
J
= 25°C
(V
IN
- V
OUT
) = 5V, T
J
= 25°C
(V
IN
- V
OUT
) = 5V, T
J
= 25°C
I
OUT (MIN)
V
IN
≤
10V
∆V
OUT
(Pwr)
T
A
= 25°C, 30ms pulse
f
RIPPLE
=120Hz, (V
IN
- V
OUT
) = 3V, V
RIPPLE
= 1Vp-p
I
ADJ
∆I
ADJ
10mA
≤
I
OUT
≤
I
OUT (MAX)
, 1.4V
≤
(V
IN
- V
OUT
)
≤
10V
∆V
OUT
(T)
∆V
OUT
(t) T
A
= 125°C, 1000 hours
V
OUT (RMS)
10Hz
≤
f
≤
10kHz
800
1000
1200
5
0.2
100
5
60
Notes: 3. See thermal regulation specification for changes in output voltage due to heating effects. Load regulation and line regulation are measured at a constant junction
temperature by low duty cycle pulse testing.
4. Dropout voltage is specified over the full output current range of the device. Dropout voltage is defined as the minimum input/output differential measured
at the specified output current. Test points and limits are also shown on the Dropout Voltage Curve.
5. Minimum load current is defined as the minimum output current required to maintain regulation.
Notes: 3. See thermal regulation specification for changes in output voltage due to heating effects. Load regulation and line regulation are measured at a constant junction
temperature by low duty cycle pulse testing.
4. Dropout voltage is specified over the full output current range of the device. Dropout voltage is defined as the minimum input/output differential measured
at the specified output current. Test points and limits are also shown on the Dropout Voltage Curve.
5. Minimum load current is defined as the minimum output current required to maintain regulation.
Notes: 3. See thermal regulation specification for changes in output voltage due to heating effects. Load regulation and line regulation are measured at a constant junction
temperature by low duty cycle pulse testing.
4. Dropout voltage is specified over the full output current range of the device. Dropout voltage is defined as the minimum input/output differential measured
at the specified output current. Test points and limits are also shown on the Dropout Voltage Curve.
5. Minimum load current is defined as the minimum output current required to maintain regulation.
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