参数资料
型号: TPS54225PWPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 4.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO14
封装: GREEN, PLASTIC, HTSSOP-14
文件页数: 2/23页
文件大小: 733K
代理商: TPS54225PWPR
V
-50mV/div
OUT
I
-2 A/div
OUT
100
s/div
m
1
1.025
1.05
1.075
1.1
0
5
10
15
20
V
-InputVoltage-V
IN
V
-OutputV
oltage-V
O
U
T
I
=1 A
O
I
=0 A
O
EN-10V/div
V
-0.5V/div
OUT
PG-5V/div
400
s/div
m
40
50
60
70
80
90
100
0
0.5
1
1.5
2
I
-OutputCurrent- A
OUT
Efficiency-%
V
=3.3V
O
V
=2.5V
O
V
=1.8V
O
SLVSA15C
– OCTOBER 2009 – REVISED FEBRUARY 2011
TYPICAL CHARACTERISTICS (continued)
Figure 5. 1.05-V OUTPUT VOLTAGE vs INPUT VOLTAGE
Figure 6. 1.05-V, 0-A TO 2-A-LOAD TRANSIENT
RESPONSE
Figure 7. START-UP WAVEFORM
Figure 8. EFFICIENCY vs. OUTPUT CURRENT
10
2009–2011, Texas Instruments Incorporated
Product Folder Link(s): TPS54225
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