参数资料
型号: TPS82678SIP
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 0.6 A SWITCHING REGULATOR, 6000 kHz SWITCHING FREQ-MAX, BGA8
封装: 2.30 X 2.90 MM, 1 MM HEIGHT, LEAD FREE, USIP-8
文件页数: 25/28页
文件大小: 943K
代理商: TPS82678SIP
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
100
1000
I - Load Current - mA
O
Efficiency
-
%
V = 1.8 V
O
V = 2.7 V
PFM/PWM Operation
I
V = 3.6 V
PFM/PWM Operation
I
V = 4.2 V
PFM/PWM Operation
I
V = 3.6 V
Forced PWM Operation
I
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
100
1000
I - Load Current - mA
O
Efficiency
-
%
V = 1.2 V
O
V = 2.7 V
PFM/PWM Operation
I
V = 3.6 V
PFM/PWM Operation
I
V = 4.2 V
PFM/PWM Operation
I
V = 3.6 V
Forced PWM Operation
I
SLVSAI0A
– OCTOBER 2010 – REVISED APRIL 2011
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
vs Load current
3, 4
η
Efficiency
vs Input voltage
5
Peak-to-peak output ripple voltage
vs Load current
6, 7, 8
VO
DC output voltage
vs Load current
9, 10, 11
Combined line/load transient
12, 13
response
14, 15, 16, 17
Load transient response
18, 19, 20
AC load transient response
21
22, 23, 24, 25
Load transient response
26, 27, 28
AC load transient response
29
PFM/PWM boundaries
vs Input voltage
30, 31
IQ
Quiescent current
vs Input voltage
32
fs
PWM switching frequency
vs Input voltage
33
Start-up
34, 35
PSRR
Power supply rejection ratio
vs. Frequency
36
Spurious output noise (PFM mode)
vs. Frequency
37
Spurious output noise (PWM mode)
vs. Frequency
38
Output spectral noise density
vs. Frequency
39
EFFICIENCY
vs
LOAD CURRENT
Figure 3.
Figure 4.
6
Copyright
2010–2011, Texas Instruments Incorporated
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