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TPS62730 Datasheet(PDF) 13 Page - Texas Instruments

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Part # TPS62730
Description  Step Down Converter with Bypass Mode for Ultra Low Power Wireless
PDF  25 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62730 Datasheet(HTML) 13 Page - Texas Instruments

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TPS62730
V
= 2.1 V
OUT
ON/BYP = V
IN
R
I
= 26mA
L = 2.2 H
C
= 2.2 F
Load
OUT
OUT
= 82W
m
m
V = 3.6V
IN
V = 3.0V
IN
V = 2.7V
IN
V = 2.3V
IN
Ref. Lev. 1mV
RBW 30kHz
VBW 20kHz
SWT 42ms
1m
900m
800m
700m
600m
500m
400m
300m
200m
100m
10n
Start 0Hz
Stop 10 MHz
1MHz/Div
Frequency
I
With TPS62730
BAT
15
17
19
21
23
25
27
29
2
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
3.8
Battery Voltage - V
BAT
Battery Current
Reduction @
CC2540
0dBm CW TX
Power
Battery Current Reduction of CC2540
2.4GHz Bluetooth Low Energy
System-On-Chip Solution
I
NO TPS62730
BAT
Status Output
ON/BYP
DC/DC Operation
Bypass Operation
50mA/Div
TPS62730
V = 2.3V
IN
I
L = 2.2 H
C
= 2.2 F
C
= 3.6 F
OUT
OUT
Load
= 1mA to 50mA
m
m
m
TPS62730
www.ti.com
SLVSAC3
– MAY 2011
TYPICAL CHARACTERISTICS (continued)
Figure 25. Spurious Output Noise TPS62730 IOUT 26mA
Figure 26. Battery Current Reduction vs Battery Voltage
Figure 27. Mode Transition ON/BYP Behavior
Copyright
© 2011, Texas Instruments Incorporated
13



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