参数资料
型号: TPS2501DRCT
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 6 A SWITCHING REGULATOR, 1075 kHz SWITCHING FREQ-MAX, PDSO10
封装: 3 X 3 MM, 0.90 MM HEIGHT, PLASTIC, SON-10
文件页数: 20/41页
文件大小: 1641K
代理商: TPS2501DRCT
www.ti.com
SLVS886C – OCTOBER 2008 – REVISED AUGUST 2010
ADDITIONAL DESIGN EXAMPLE
Specific Application Examples
The Table 4 outlines several specific applications and component recommendations for the given electrical
specifications.
Table 4. Component Recommendations
Application Example
Electrical Specifications
Component Values
# of
AUX
VIN min
VIN max
IAUX max IUSB max
ITOTAL
Inductor
CIN
CAUX
CUSB
Description
USB
Load
RILIM (k)
(V)
(mA)
(mH)
(mF)(1)
(mF)(2)
Ports
(mA)
Single-cell
lithium ion
1
100
2.7
4.2
100
550
650
3.3
10
22
150
30.9
battery or
3.3-V bus
Single-cell
lithium ion
2
0
2.7
4.2
0
1100
2.2
10
22
150
18.2
battery or
3.3-V bus
Two-cell NiMH
1
0
1.8
2.4
0
550
2.2
10
22
150
35.7
battery
Single-cell
lithium ion
2
0
2.7
5.25
0
1100
2.2
10
22
150
18.2
battery ORed
with 5-V bus
Single-cell
lithium ion
1
200
2.7
5.25
200
550
750
3.3
10
22
150
26.1
battery ORed
with 5-V bus
(1)
Use low-ESR, X5R or X7R ceramic capacitors.
(2)
Not required for operation, only required to meet USB 2.0 standard
Copyright 2008–2010, Texas Instruments Incorporated
27
Product Folder Link(s): TPS2500 TPS2501
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