參數(shù)資料
型號(hào): TPS62679ZYFMR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.15 A SWITCHING REGULATOR, 6000 kHz SWITCHING FREQ-MAX, PBGA6
封裝: 0.40 MM HEIGHT, GREEN, DSBGA-6
文件頁(yè)數(shù): 32/34頁(yè)
文件大?。?/td> 1129K
代理商: TPS62679ZYFMR
V
= 1.2 V
O
V = 2.7 V
PFM/PWM Operation
I
V = 4.2 V
PFM/PWM Operation
I
V = 3.6 V
PFM/PWM Operation
I
V = 3.6 V
Forced PWM
I
0.1
1
10
100
1000
I
- Load Current - mA
O
0
10
20
30
40
50
60
70
80
90
100
Efficiency
-
%
0.1
1
10
100
1000
I
- Load Current - mA
O
0
10
20
30
40
50
60
70
80
90
100
Efficiency
-
%
V
= 1.8 V
O
V = 4.2 V
PFM/PWM Operation
I
V = 2.7 V
PFM/PWM Operation
I
V = 3.6 V
PFM/PWM Operation
I
V = 3.6 V
Forced PWM
I
SLVS952C
– APRIL 2010 – REVISED APRIL 2011
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, 16,
Load transient response
17, 18, 19, 20, 21
AC load transient response
22, 23
VO
DC output voltage
vs Load current
24, 25, 26
PFM/PWM boundaries
vs Input voltage
27, 28
IQ
Quiescent current
vs Input voltage
29
PWM switching frequency
vs Input voltage
30, 31
fs
PFM switching frequency
vs Input voltage
32
PWM operation
33, 34
Power-save mode operation
35
Start-up
36, 37, 38, 40
Shutdown
39, 41
PSRR
Power supply rejection ratio
vs. Frequency
42
Spurious output noise (PWM mode)
vs. Frequency
43, 44, 46
Spurious output noise (PFM mode)
vs. Frequency
45
Output spectral noise density
vs. Frequency
47
EFFICIENCY
vs
LOAD CURRENT
Figure 3.
Figure 4.
Copyright
2010–2011, Texas Instruments Incorporated
7
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