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TPS826745 Datasheet(PDF) 8 Page - Texas Instruments

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Part # TPS826745
Description  600-mA, High-Efficiency MicroSiP Step-Down Converter (Profile <1.0mm)
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS826745 Datasheet(HTML) 8 Page - Texas Instruments

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0
40
300 m
250 m
200 m
150 m
100 m
50 m
5 n
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
0
10
3.5 m
3 m
2.5 m
2 m
1.5 m
1 m
500 m
50 n
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
I
= 10 mA
PFM Operation
O
I
= 400 mA
PWM Operation
O
I
= 150 mA
PWM Operation
O
V -InputVoltage-V
I
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
I = 150 mA
O
I = 500 mA
O
I = 400 mA
O
I = 300 mA
O
8
TPS82670, TPS82671, TPS82672, TPS82673, TPS82674, TPS82675, TPS82676
TPS82677, TPS826711, TPS826716, TPS826721, TPS826745, TPS826765, TPS8267195
SLVSAI0J – OCTOBER 2010 – REVISED MAY 2016
www.ti.com
Product Folder Links: TPS82670 TPS82671 TPS82672 TPS82673 TPS82674 TPS82675 TPS82676 TPS82677
TPS826711 TPS826716 TPS826721 TPS826745 TPS826765 TPS8267195
Submit Documentation Feedback
Copyright © 2010–2016, Texas Instruments Incorporated
8.6 Typical Characteristics
Figure 1. Quiescent Current vs. Input Voltage
VO = 1.8 V
Figure 2. PWM Switching Frequency vs. Input Voltage
VI = 3.6 V
VO = 1.8 V
(TPS82671)
Figure 3. Power Supply Rejection Ratio vs. Frequency
VO = 1.8 V
RL = 150 Ω
(TPS82671)
Figure 4. Spurious Output Noise (PFM Mode) vs. Frequency
VO = 1.8 V
RL = 12 Ω
(TPS82671)
Figure 5. Spurious Output Noise (PWM Mode) vs. Frequency
VI = 3.6 V
VO = 1.8 V
(TPS82671)
Figure 6. Output Spectral Noise Density vs. Frequency


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