參數(shù)資料
型號： TPS62691YFFT
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 0.6 A SWITCHING REGULATOR, 4400 kHz SWITCHING FREQ-MAX, BGA6
封裝： DSBGA-6
文件頁數(shù)： 25/27頁
文件大小： 870K
代理商： TPS62691YFFT
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
V = 3 V
PFM/PWM Operation
I
- Load Current - mA
O
Efficiency
-
%
V = 3.2 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
V
= 2.85 V
O
1
10
100
1000
0
10
20
30
40
50
60
70
80
90
100
Efficiency
-
%
I
- Load Current - mA
O
V = 3.2 V
Forced PWM
I
V
= 2.85 V
O
V = 3.6 V
Forced PWM
I
V = 4.2 V
Forced PWM
I
V = 3 V
Forced PWM
I
SLVS965
– MARCH 2011
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
Load transient response
11, 12, 13, 14
AC load transient response
15, 16, 17, 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
Start-up
29, 30
PSRR
Power supply rejection ratio
vs. Frequency
31
Spurious output noise (PFM mode)
vs. Frequency
32
Spurious output noise (PWM mode)
vs. Frequency
33
Output spectral noise density
vs. Frequency
34
EFFICIENCY
vs
LOAD CURRENT
Figure 3.
Figure 4.
2011, Texas Instruments Incorporated
7
Product Folder Link(s) :TPS62690 TPS62691
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