參數(shù)資料
型號(hào): TPS65014RGZ
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC48
封裝: 7 X 7 MM, GREEN, PLASTIC, VQFN-48
文件頁數(shù): 5/57頁
文件大?。?/td> 1289K
代理商: TPS65014RGZ
www.ti.com
TYPICAL CHARACTERISTICS
Table of Graphs
0
10
20
30
40
50
60
70
80
90
100
0.01
0.10
1
10
100
1 k
10 k
VO = 3.3 V
VO = 2.5 V
Efficiency
%
IO Output Current mA
Main:
VI = 3.8 V,
TA = 25°C,
PFWM = 1
0
10
20
30
40
50
60
70
80
90
100
0.01
0.10
1
10
100
1 k
10 k
VO = 3.3 V
VO = 2.5 V
Main:
VI = 3.8 V,
TA = 25°C,
FPWM = 0
IO - Output Current - mA
Efficiency
-
%
0
10
20
30
40
50
60
70
80
90
100
0.01
0.10
1
10
100
1 k
Core:
VI = 3.8 V,
TA = 25°C,
FPWM = 0
IO - Output Current - mA
Efficiency
-
%
VO = 0.85 V
VO = 1.6 V
VO = 1.2 V
TPS65014
SLVS551 – DECEMBER 2004
FIGURE
Efficiency
vs Output current
1-4
Quiescent current
vs Input voltage
5
Switching frequency
vs Temperature
6
LDO1 Output voltage
vs Output current
7, 8, 9
LDO2 Output voltage
vs Output current
10
Line transient response (main)
11
Line transient response (core)
12
Line transient response (LDO1)
13
Line transient response (LDO2)
14
Load transient response (main)
15
Load transient response (core)
16
Load transient response (LDO1)
17
Load transient response (LDO2)
18
Output voltage ripple (PFM)
19
Output voltage ripple (PWM)
20
Start-up timing
21
Dropout voltage
vs Output current
22, 23
PSRR (LDO1 and LDO2)
vs Frequency
24
EFFICIENCY
vs
OUTPUT CURRENT
Figure 1.
Figure 2.
Figure 3.
13
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