LX8117 Microsemi Corporation, LX8117 Datasheet - Page 4

• Manufacturer Part Number: LX8117
• Description: 0.8, 1 & 1.2a Low Dropout Positive Regulators
• Manufacturer: Microsemi Corporation

LX8117-xx/8117A-xx/8117B-xx
4
LX8117-25 / 8117A-25 / 8117B-25 (2.5V Fixed)
LX8117-28 / 8117A-28 / 8117B-28 (2.8V Fixed)
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
Output Voltage
Line Regulation (Note 3)
Load Regulation (Note 3)
Dropout Voltage
Current Limit
Quiescent Current
Thermal Regulation
Ripple Rejection
Temperature Stability
Long Term Stability
RMS Output Noise (% of V
Output Voltage
Line Regulation (Note 3)
Load Regulation (Note 3)
Dropout Voltage
Current Limit
Quiescent Current
Thermal Regulation
Ripple Rejection
Temperature Stability
Long Term Stability
RMS Output Noise (% of V
(Note 4)
(Note 4)
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
5. Minimum load current is defined as the minimum output current required to maintain regulation.
temperature by low duty cycle pulse testing.
at the specified output current. Test points and limits are also shown on the Dropout Voltage Curve.
Parameter
Parameter
LX8117-25
LX8117A/B-25
LX8117-25
LX8117A-25
LX8117B-25
LX8117-28
LX8117A/B-28
LX8117-28
LX8117A-28
LX8117B-28
OUT
OUT
)
)
0.8, 1 & 1.2A L
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
E L E C T R I C A L C H A R A C T E R I S T I C S
Symbol
Symbol
V
V
I
I
V
V
OUT (MAX)
V
V
V
OUT (MAX)
V
V
V
V
OUT (RMS)
V
OUT (RMS)
OUT
OUT
OUT
OUT
V
OUT
OUT
V
OUT
OUT
OUT
OUT
I
I
OUT
OUT
Q
Q
(Pwr)
(Pwr)
V
V
(V
(I
(V
(I
P
OUT
(T)
(t) T
OUT
(T)
(t) T
IN
IN
) I
)
) I
)
R O D U C T I O N
I
0mA
V
I
I
I
I
(V
(V
(V
V
T
f
10Hz
I
0mA
0mA
V
I
I
I
I
(V
(V
(V
V
T
f
10Hz
OUT
OUT
OUT
OUT
OUT
OUT
RIPPLE
OUT
OUT
OUT
OUT
OUT
OUT
RIPPLE
A
A
A
A
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 25°C, 30ms pulse
= 125°C, 1000 hours
= 25°C, 30ms pulse
= 125°C, 1000 hours
= 4.25V, 0mA
= 4.25V, 0mA
= 10mA, V
= 0mA, 4.25V V
= 100mA
= 500mA
= I
= I
= 10mA, V
= 0mA, 4.25V V
= 100mA
= 500mA
= I
= I
- V
- V
- V
- V
- V
- V
10V
=120Hz, (V
10V
=120Hz, (V
OUT (MAX)
OUT (MAX)
OUT (MAX)
OUT (MAX)
OUT
OUT
OUT
OUT
OUT
OUT
O W
I
I
I
OUT
OUT
OUT
f 10kHz
f 10kHz
) = 5V, T
) = 5V, T
) = 5V, T
) = 5V, T
) = 5V, T
) = 5V, T
I
I
500mA, V
D
OUT (MAX)
OUT (MAX)
IN
IN
R O P O U T
= 5V, T
= 4.85V, T
IN
IN
J
J
J
J
J
J
- V
- V
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C
I
I
OUT
OUT
, 4.75V
, 4.25V
OUT
OUT
IN
IN
Test Conditions
Test Conditions
IN
A
) = 3V, V
) = 3V, V
= 25°C
= 3.95V
D
10V
I
10V
I
OUT (MAX)
OUT (MAX)
A
= 25°C
P
A T A
O S I T I V E
V
V
IN
IN
RIPPLE
RIPPLE
10V
10V
= 1Vp-p
= 1Vp-p
S
H E E T
R
E G U L AT O R S
(continued)
LX8117 / 17A / 17B-25
LX8117 / 17A / 17B-28
2.475
2.450
2.820
2.790
2.790
1000
1200
1000
1200
Min.
800
Min.
800
60
60
2.500
2.500
0.003
2.850
2.850
2.850
0.003
1200
1500
1200
1500
Typ.
0.97
1.00
1.05
1.15
0.08
Typ.
0.97
1.00
1.05
1.15
0.08
950
950
4.5
0.5
0.3
4.5
0.5
0.3
75
75
1
2
1
2
2.525
2.550
2.880
2.910
2.910
Max.
1.10
1.15
1.20
1.30
Max.
1.10
1.15
1.20
1.30
0.2
0.2
10
10
10
10
6
6
Copyright © 1999
Rev. 1.4
Units
Units
%/W
%/W
mA
mA
mA
mA
mA
mA
mA
mA
mV
mV
mV
mV
dB
dB
%
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
3/99