Datasheet

10
1
0.1
0.01
0.001
0.1 1 10 100 1000
f - Frequency - kHz
V = 3.6 V
IN
V = 1.8 V (TPS82671)
OUT
I = 10 mA (PFM Mode)
OUT
I = 150 mA (PWM Mode)
OUT
Output Spectral Noise Density - HzµV/V
0 10
3.5 m
3 m
2.5 m
2 m
1.5 m
1 m
500 m
50 n
Spurious Output Noise (PFM Mode) - V
f - Frequency - MHz
Span = 1 MHz
5 m
4.5 m
5 m
V = 1.8 V (TPS82671),
R = 150
O
L
Ω
V = 3.6 V
I
V = 2.7 V
I
V = 4.2 V
I
0 40
300 m
250 m
200 m
150 m
100 m
50 m
5 n
Spurious Output Noise (PWM Mode) - V
f - Frequency - MHz
Span = 4 MHz
350 m
400 m
450 m
V = 1.8 V (TPS82671),
R = 12
O
L
Ω
500 m
V = 2.7 V
I
V = 4.2 V
I
V = 3.6 V
I
TPS82670, TPS82671, TPS82672, TPS82673, TPS82674
TPS82675, TPS82676, TPS82677, TPS826711, TPS826745, TPS826765
SLVSAI0F –OCTOBER 2010–REVISED NOVEMBER 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
SPURIOUS OUTPUT NOISE (PFM MODE) SPURIOUS OUTPUT NOISE (PWM MODE)
vs vs
FREQUENCY FREQUENCY
Figure 37. Figure 38.
OUTPUT SPECTRAL NOISE DENSITY
vs
FREQUENCY
Figure 39.
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Product Folder Links: TPS82670 TPS82671 TPS82672 TPS82673 TPS82674 TPS82675 TPS82676 TPS82677
TPS826711 TPS826745 TPS826765