参数资料
型号: TPS65023QRSBRQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC40
封装: 5 X 5 MM, GREEN, PLASTIC, WQFN-40
文件页数: 6/54页
文件大小: 1546K
代理商: TPS65023QRSBRQ1
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1k
10k
I
-OutputCurrent-mA
O
E
fficiency-%
T =25°C
V
=1.2V
PWM/PFMMode
A
O
V =4.2V
I
V =2.5V
I
V =3.6V
I
V =5V
I
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1k
10k
I
-OutputCurrent-mA
O
Efficiency-%
T =25°C
V
=1.2V
PWMMode
A
O
V =4.2V
I
V =2.5V
I
V =3.6V
I
V =5V
I
SLVS927C – MARCH 2009 – REVISED MAY 2010
www.ti.com
TYPICAL CHARACTERISTICS
Graphs were taken using the EVM with the following inductor/output capacitor combinations:
CONVERTER
INDUCTOR
OUTPUT CAPACITOR
OUTPUT CAPACITOR VALUE
VDCDC1
VLCF4020-2R2
C2012X5R0J106M
2 × 10 mF
VDCDC2
VLCF4020-2R2
C2012X5R0J106M
2 × 10 mF
VDCDC3
VLF4012AT-2R2M1R5
C2012X5R0J106M
2 × 10 mF
Table 1. Table of Graphs
FIGURE
h
Efficiency
vs Output current
1, 2, 3, 4, 5, 6
Output voltage
vs Output current @ 85°C
7, 8
Line transient response
9, 10, 11
Load transient response
12, 13, 14
VDCDC2 PFM operation
15
VDCDC2 low ripple PFM operation
16
VDCDC2 PWM operation
17
Startup VDCDC1, VDCDC2 and VDCDC3
18
Startup LDO1 and LDO2
19
Line transient response
20, 21, 22
Load transient response
23, 24, 25
DCDC1: EFFICIENCY
vs
OUTPUT CURRENT
Figure 1.
Figure 2.
14
Copyright 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS65023-Q1
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