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参数资料
| 型号： | TPS40222DRPTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 3.5 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 3 X 3 MM, GREEN, PLASTIC, VSON-6 |
| 文件页数： | 10/27页 |
| 文件大小： | 662K |
| 代理商： | TPS40222DRPTG4 |
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APPLICATION CURVES
1.408
1.406
1.410
1.404
1.402
1.400
5.5
6.0
7.0
4.0
5.0
4.5
6.5
V
O
U
T
Output
V
oltage
V
VIN Input Voltage V
IOUT = 1.5 A
IOUT = 1.0 A
IOUT = 0.5 A
No Load
0
0.2
0.4
0.6
0.8
1.0
60
70
100
1.2
1.4
1.6
80
90
65
95
75
85
ILOAD Load Current A
η
Efficiency
%
VIN = 5 V
VOUT = 1.25 V
VOUT = 3.3 V
SLUS642A – OCTOBER 2005 – REVISED JANUARY 2006
Table 3. List of Materials
REFERENCE
VENDOR PART
QTY
DESCRIPTION
VENDOR
NOTES
DESIGNATOR
NUMBER
C1A, C1B
2
Capacitor, 22 F ceramic, 1206
Input bypass
High-frequency bypass, mount
C1D
1
Capacitor, 0.1 F ceramic, 0805
near VCC
C2
1
Capacitor, 33 nF ceramic, 0805
Bootstrap
C3A, C3B
2
Capacitor, 22 F ceramic, 1206
Output capacitors
Snubber (optional - open if not
C4
1
Capacitor, 680 pF ceramic, 0805
used)
Device input voltage filter
C5
1
Capacitor, 1 F ceramic, 0805
capacitor
D1
1
Diode, Schottky, 1 A
RSX501L-20
ROHM
Catch diode
L1
1
Inductor, 3.3 H
ELL6PV3R3N
Panasonic
Filter inductor
R1
1
Resistor, 5620
, 1%, SMD, 0603
Voltage setting resistor
R2
1
Resistor, 10 k
, 1%, SMD, 0603
Voltage setting resistor
Snubber (optional - open if not
R3
1
Resistor, 10
, 10%, SMD, 0805
used)
Device input voltage filter (optional
R4
1
Resistor, 10
, 10%, SMD, 0603
- short if not used)
Output pre-load (optional - open if
R5
1
Resistor, 120
, 10%, SMD, 0805
not used)
Texas
U1
1
PWM converter device
TPS40222
Instruments
OUTPUT VOLTAGE
EFFICIENCY
vs
INPUT VOLTAGE AT LOAD CURRENT
LOAD CURRENT
Figure 16.
Figure 17.
18
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS40222EVM-001 | 功能描述:电源管理IC开发工具 Non-Sync Buck Conv Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS40-23 | 制造商:TOTAL-POWER 制造商全称:TOTAL-POWER 功能描述:40 WATT OPEN - FRAME SWITCHING POWER SUPPLY |
| TPS40-24 | 制造商:TOTAL-POWER 制造商全称:TOTAL-POWER 功能描述:40 WATT OPEN - FRAME SWITCHING POWER SUPPLY |
| TPS40-25 | 制造商:TOTAL-POWER 制造商全称:TOTAL-POWER 功能描述:40 WATT OPEN - FRAME SWITCHING POWER SUPPLY |
| TPS40-30 | 制造商:TOTAL-POWER 制造商全称:TOTAL-POWER 功能描述:40 WATT OPEN - FRAME SWITCHING POWER SUPPLY |
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