参数资料
型号: TPS62623YFFT
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.2 A SWITCHING REGULATOR, 6600 kHz SWITCHING FREQ-MAX, BGA6
封装: GREEN, DSBGA-6
文件页数: 27/30页
文件大小: 968K
代理商: TPS62623YFFT
0.1
1
10
100
1000
I
-LoadCurrent-mA
O
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
V
=1.82V
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
10
20
30
40
50
60
70
80
90
100
Efficiency-%
0.1
1
10
100
1000
I
-LoadCurrent-mA
O
V =2.7V
PFM/PWMOperation
I
V =3.6V
PFM/PWMOperation
I
V =4.2V
PFM/PWMOperation
I
V =3.6V
ForcedPWMOperation
I
V
=1.2V
O
SLVS848B – JULY 2009 – REVISED DECEMBER 2009
www.ti.com
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
vs Load current
3, 4, 5, 6
η
Efficiency
vs Input voltage
7
Peak-to-peak output ripple voltage
vs Load current
8, 9
Combined line/load transient
10, 11
response
12, 13, 14, 15
Load transient response
16, 17, 18, 19, 20, 21
AC load transient response
22, 23
VO
DC output voltage
vs Load current
24, 25
PFM/PWM boundaries
26, 27
IQ
Quiescent current
vs Input voltage
28
fs
PWM Switching frequency
vs Input voltage
29
P-channel MOSFET rDS(on)
vs Input voltage
30
rDS(on)
N-channel MOSFET rDS(on)
vs Input voltage
31
PWM operation
32
Power-save mode operation
33
Mode change response
34, 35
Over-current fault operation
36
Start-up
37
Shutdown
38
EFFICIENCY
vs
LOAD CURRENT
Figure 3.
Figure 4.
6
Copyright 2009, Texas Instruments Incorporated
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