Datasheet

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PARAMETER MEASUREMENT INFORMATION
SWN
TPS65120
D1
L1
10
C1
F
V
IN
2.7 V to 5.5 V
V
GL
down to −18 V/2 mA
C3
220 nF
R4
R3
SWP
FBL
VMAIN
FBM
C5
220 nF
R6
R5
V
MAIN
3.0 V to 5.3 V/20 mA
C4
1
BOOT
VGH
C2
220 nF
V
GH
up to 20 V/2 mA
PGND
AGND
FBH
RUN
V
AUX
3.3 V/20 mA
EN
VIN
A
A
GATE
LDOIN
LDOOUT
C6
220 nF
R2
R1
List of Components:
U
1
= TPS6512x
L
1
= EPCOS SIMID1812-C
D
1
= ZETEX ZUMD54C
C
X
= X5R/X7R
2.2  
F
H
TYPICAL CHARACTERISTICS
TPS65120, TPS65121, TPS65123, TPS65124
SLVS531A – JUNE 2004 – REVISED MARCH 2005
Table of Graphs
FIGURE
η Core converter efficiency vs Load current 3
vs Input voltage 4
Main output efficiency vs Load current 5
vs Input voltage 6
V
MAIN
Output ripple voltage 7
DC output voltage vs Load current 8
Load transient response 9
V
GH
, V
GL
Positive, negative output ripple voltage 10, 11
V
GH
DC output voltage vs Load current 12
V
GL
DC output voltage vs Load current 13
f
s
Switching frequency vs Load current 14
I
Q
No load quiescent current vs Input voltage 15
Power-Up Sequencing (TPS65120) 16
Power-Down Sequencing (TPS65120) 17
9