LP5910 Datasheet, PDF (8/29 Pages) Texas Instruments – LP5910 300-mA Ultra-Low-Noise LDO for RF and Analog Circuits - Requires No Bypass Capacitor

LP5910
SNVSA91C – SEPTEMBER 2015 – REVISED JUNE 2016
www.ti.com
Typical Characteristics (continued)
Unless otherwise stated: V_OUT = 1.8 V, V_IN = V_OUT + 0.5 V, V_EN = V_IN, I_OUT = 1 mA, C_IN = 1 µF, C_OUT = 1 µF, T_J = 25°C.
25
25
125°C
125°C
85°C
85°C
20
25°C
20
25°C
-40°C
-40°C
15
15
10
10
5
5
0
0
0.5
1
V_OUT = 0.8 V
1.5
2
2.5
V_IN (V)
V_EN = V_IN
Figure 7. I_Q vs V_IN
25
20
15
3
3.5
D007
No load
125°C
85°C
25°C
-40°C
0
0
0.5
1
V_OUT = 1.2 V
1.5
2
2.5
V_IN (V)
V_EN = V_IN
Figure 8. I_Q vs V_IN
25
20
15
3
3.5
D008
No load
125°C
85°C
25°C
-40°C
10
10
5
5
0
0
0.5
1
V_OUT = 1.8 V
1.5
2
2.5
V_IN (V)
V_EN = V_IN
3
3.5
D009
No load
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
10
100
V_OUT = 0.8 V
Figure 9. I_Q vs V_IN
1k
10k
100k
Frequency (Hz)
V_IN = 1.3 V
1M
10M
D011
I_OUT = 20 mA
Figure 11. PSRR vs Frequency
0
0
0.5
1
V_OUT = 2.3 V
1.5
2
2.5
V_IN (V)
V_EN = V_IN
3
3.5
D010
No load
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
10
100
V_OUT = 1.8 V
Figure 10. I_Q vs V_IN
1k
10k
100k
Frequency (Hz)
V_IN = 2.3 V
1M
10M
D012
I_OUT = 20 mA
Figure 12. PSRR vs Frequency
8
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