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TPS62617 Datasheet(PDF) 6 Page - Texas Instruments

Part # TPS62617
Description  350-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER IN LOW PROFILE CHIP SCALE PACKAGING (HEIGHT < 0.4mm)
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS62617 Datasheet(HTML) 6 Page - Texas Instruments

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10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
I
-LoadCurrent-mA
O
V
=1.2V
O
V =2.7V
PFM/PWMOperation
I
V =3.6V
PFM/PWMOperation
I
V =4.2V
PFM/PWMOperation
I
V =3.6V
ForcedPWMOperation
I
0.1
1
10
100
1000
I
-LoadCurrent-mA
O
10
20
30
40
50
60
70
80
90
100
V
=1.8V
O
V =2.7V
PFM/PWMOperation
I
V =3.6V
PFM/PWMOperation
I
V =4.2V
PFM/PWMOperation
I
V =3.6V
ForcedPWMOperation
I
TPS62619, TPS62612
TPS62615, TPS62616
SLVS936 – NOVEMBER 2009
www.ti.com
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
vs Load current
3, 4, 5
η
Efficiency
vs Input voltage
6
Peak-to-peak output ripple voltage
vs Load current
7, 8
Combined line/load transient
9, 10
response
11, 12, 13, 14,
Load transient response
15, 16, 17
AC load transient response
18
VO
DC output voltage
vs Load current
19, 20
PFM/PWM boundaries
vs Input voltage
21
IQ
Quiescent current
vs Input voltage
22
PWM switching frequency
vs Input voltage
23
fs
PFM switching frequency
vs Load current
24
P-channel MOSFET rDS(on)
vs Input voltage
25
rDS(on)
N-channel MOSFET rDS(on)
vs Input voltage
26
PWM operation
27
Power-save mode operation
28
Mode change response
29, 30
Start-up
31
PSRR
Power supply rejection ratio
vs. Frequency
32
Spurious output noise (PFM mode)
vs. Frequency
33
Spurious output noise (PWM mode)
vs. Frequency
34
EFFICIENCY
EFFICIENCY
vs
vs
LOAD CURRENT
LOAD CURRENT
Figure 3.
Figure 4.
6
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Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): TPS62619 TPS62612 TPS62615 TPS62616


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