Datasheet

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
500 m
V = 2.7 V
I
V = 4.2 V
I
V = 3.6 V
I
10
1
0.1
0.01
0.001
0.1 1 10 100 1000
f - Frequency - kHz
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 = 3.6 V
I
V = 2.7 V
I
V = 4.2 V
I
0.01 0.1 1 10 100 1000
f - Frequency - kHz
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
PSRR - Power Supply Rejection Ratio - dB
I = 10 mA
PFM Operation
O
I = 400 mA
PWM Operation
O
I = 150 mA
PWM Operation
O
V -InputVoltage-V
I
I -QuiescentCurrent- A
Q
m
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
2.7 3 3.3 3.6 3.9 4.2 4.5 4.8
T =85°C
A
T =25°C
A
T =-40°C
A
6
5.5
5
4.5
4
3.5
3
2.5
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5
V - Input Voltage - V
I
f - Switching Frequency - MHz
S
I = 150 mA
O
I = 500 mA
O
I = 400 mA
O
I = 300 mA
O
TPS82670 , TPS82671 , TPS82672 , TPS82673 , TPS82674 , TPS82675
TPS82676 , TPS82677 , TPS826711 , TPS826721 , TPS826745 , TPS826765
SLVSAI0H –OCTOBER 2010–REVISED OCTOBER 2014 www.ti.com
8.6 Typical Characteristics
V
O
= 1.8 V
Figure 2. PWM Switching Frequency vs. Input Voltage
Figure 1. Quiescent Current vs. Input Voltage
V
I
= 3.6 V V
O
= 1.8 V (TPS82671)
V
O
= 1.8 V R
L
= 150 Ω (TPS82671)
Figure 3. Power Supply Rejection Ratio vs. Frequency
Figure 4. Spurious Output Noise (PFM Mode) vs. Frequency
V
I
= 3.6 V V
O
= 1.8 V (TPS82671)
V
O
= 1.8 V R
L
= 12 Ω (TPS82671)
Figure 6. Output Spectral Noise Density vs. Frequency
Figure 5. Spurious Output Noise (PWM Mode) vs. Frequency
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Product Folder Links: TPS82670 TPS82671 TPS82672 TPS82673 TPS82674 TPS82675 TPS82676 TPS82677
TPS826711 TPS826721 TPS826745 TPS826765