參數(shù)資料
型號(hào): TPS65020RHA
廠商: Texas Instruments, Inc.
英文描述: POWER MANAGEMENT IC FOR LI-ION POWERED SYSTEMS
中文描述: 電源管理IC鋰離子供電系統(tǒng)
文件頁(yè)數(shù): 13/44頁(yè)
文件大?。?/td> 3085K
代理商: TPS65020RHA
www.ti.com
TYPICAL CHARACTERISTICS
I
-OutputCurrent-mA
O
Efficiency-%
T
=25 C
V
=3.3V
A
O
o
PFM/PWMMode
V =3.8V
I
V =4.2V
I
V =5V
I
0.01
0.1
1
10
100
1k
10k
I
-OutputCurrent-mA
O
Efficiency-%
T
=25 C
V
=3.3V
A
O
o
PWMMode
V =3.8V
I
V =4.2V
I
V =5V
I
0.01
0.1
1
10
100
1k
10k
TPS65020
SLVS607–SEPTEMBER 2005
Graphs were taken using the EVM with the following inductor/output capacitor combinations:
CONVERTER
VDCDC1
VDCDC2
VDCDC3
INDUCTOR
VLCF4020-2R2
VLCF4020-2R2
VLF4012AT-2R2M1R5
OUTPUT CAPACITOR
C2012X5R0J106M
C2012X5R0J106M
C2012X5R0J106M
OUTPUT CAPACITOR VALUE
2
×
10
μ
F
2
×
10
μ
F
2
×
10
μ
F
Table 1. Table of Graphs
FIGURE
1, 2, 3, 4, 5, 6, 7
8, 9, 10
11, 12, 13
14
15
16
17
18
19, 20, 21
22, 23, 24
η
Efficiency
Line transient response
Load transient response
VDCDC2 PFM operation
VDCDC2 low ripple PFM operation
VDCDC2 PWM operation
Startup VDCDC1, VDCDC2 and VDCDC3
Startup LDO1 and LDO2
Line transient response
Load transient response
vs Output current
DCDC1: EFFICIENCY
vs
OUTPUT CURRENT
DCDC1: EFFICIENCY
vs
OUTPUT CURRENT
Figure 1.
Figure 2.
13
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