參數(shù)資料
型號: 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): 6/57頁
文件大?。?/td> 1289K
代理商: TPS65014RGZ
www.ti.com
Quiescent
Current
-
TA = 85°C
TA = -40°C
0
10
20
30
40
50
60
70
2.5
3
3.5
4
4.5
5
5.5
6
A
VI - Input Voltage - V
VCC, + Vcore,+ Vmain
TA = 25°C
0
10
20
30
40
50
60
70
80
90
100
0.01
0.10
1
10
100
1 k
Efficiency
%
IO Output Current mA
Core:
VI = 3.8 V,
TA = 25°C,
PFWM = 1
VO = 0.85 V
VO = 1.2 V
VO = 1.6 V
1.195
1.200
1.205
1.210
1.215
1.220
1.225
1.230
-40 -30 -20 -10 0
10 20 30 40 50 60 70 80 85
VI = 4.2 V
VI = 3.3 V
f-
Switching
Frequency
-
MHz
TA - Free-Air Temperature - °C
3.201
3.221
3.241
3.261
3.281
3.301
3.321
3.341
3.361
3.381
3.401
0
10
1 k
10 k
100 k
IO Output Current mA
LDO1
Output
V
oltage
V
O
TA = 25°C
100
VI = 6 V
VI = 5 V
VI = 3.3 V
VI = 3.6 V
VI = 4.2 V
1.552
1.562
1.572
1.582
1.592
1.602
1.612
1.622
1.632
1.642
1.652
0
10
1 k
10 k
100 k
IO Output Current mA
LDO1
Output
V
oltage
V
O
TA = 25°C
100
VI = 6 V
VI = 5 V
VI = 3.3 V
VI = 3.6 V
VI = 4.2 V
2
2.10
2.20
2.30
2.40
2.50
2.60
2.70
2.80
2.90
3
0.01
0.1
1
10
100
1000
VO = 2.5 V
VO = 2.8 V
IO Output Current - mA
-LDO1
Output
V
oltage
-
V
O
VI LDO1 = 3.8 V
TA = 25°C
VI = 3.6 to 4.2 V, VO = 3.3 V,
IL = 500 mA TA = 25°C
CH2 = VO
CH1 = VI
500
mV/div
50
mV/div
500
s/div
CH1 = VI
CH2 = VO
VI = 3.6 V to 4.2 V, VO = 1.6 V,
IL = 400 mA, TA = 25°C
500
mV/div
50
mV/div
500
s/div
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
0.01
0.1
1
10
100
1000
VO = 3 V
VO = 1.8 V
IO - Output Current - mA
-LDO2
Output
V
oltage
-
V
VOLDO2 = 3.8 V
TA = 25°C
V
O
TPS65014
SLVS551 – DECEMBER 2004
EFFICIENCY
QUIESCENT CURRENT
SWITCHING FREQUENCY
vs
OUTPUT CURRENT
INPUT VOLTAGE
TEMPERATURE
Figure 4.
Figure 5.
Figure 6.
LD01 OUTPUT VOLTAGE
LDO1 OUTPUT VOLTAGE
vs
OUTPUT CURRENT
Figure 7.
Figure 8.
Figure 9.
LDO2 OUTPUT VOLTAGE
vs
LINE TRANSIENT RESPONSE
OUTPUT CURRENT
(MAIN)
(CORE)
Figure 10.
Figure 11.
Figure 12.
14
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