參數(shù)資料
型號(hào)： PT78HT253
英文描述： Half Bridge Driver, LO In Phase with RT, Programmable Oscillating Frequency, 1.2us Deadtime in a 8-lead SOIC package
中文描述： 5.25Vout 2Amp寬輸入正降壓ISR的
文件頁數(shù)： 2/3頁
文件大小： 122K
代理商： PT78HT253
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
Typical Characteristics
Note A:
Note B:
All characteristic data has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.
SOA curves represent operating conditions at which internal components are at or below manufacturer’s maximum rated operating temperatures.
PT78HT205 5.0 VDC
(See Note A)
PT78HT233 3.3 VDC
(See Note A)
Efficiency vs Output Current
Ripple vs Output Current
Safe Operating Area @V
in
=12V
(Note B)
Power Dissipation vs Output Current
2 Amp Positive Step-Down
Integrated Switching Regulator
PT78HT200 Series
PT78HT208 8.0 VDC
(See Note A)
50
60
70
80
90
100
0
0.4
0.8
1.2
1.6
2
Iout (A)
E
9.0V
10.0V
15.0V
V
IN
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
0.0
0.4
0.8
1.2
1.6
2.0
Iout (A)
A
200LFM
120LFM
Nat conv
Airflow
Efficiency vs Output Current
Ripple vs Output Current
Power Dissipation vs Output Current
Safe Operating Area @V
in
=15V
(Note B)
90.0
Efficiency vs Output Current
Ripple vs Output Current
Power Dissipation vs Output Current
Safe Operating Area @V
in
=15V
(Note B)
90.0
50
60
70
80
90
100
0
0.4
0.8
1.2
1.6
2
Iout (A)
E
9.0V
12.0V
15.0V
18.0V
24.0V
28.0V
V
IN
0
25
50
75
100
125
0
0.4
0.8
1.2
1.6
2
Iout (A)
R
28.0V
24.0V
18.0V
15.0V
12.0V
9.0V
V
IN
0
0.5
1
1.5
2
2.5
0
0.4
0.8
1.2
1.6
2
Iout (A)
P
28.0V
24.0V
18.0V
15.0V
12.0V
9.0V
V
IN
20.0
30.0
40.0
50.0
60.0
70.0
80.0
0.0
0.4
0.8
1.2
1.6
2.0
Iout (A)
A
200LFM
120LFM
Nat conv
Airflow
20.0
30.0
40.0
50.0
60.0
70.0
80.0
0.0
0.4
0.8
1.2
1.6
2.0
Iout (A)
A
200LFM
120LFM
Nat conv
Airflow
50
60
70
80
90
100
0
0.4
0.8
1.2
1.6
2
Iout (A)
E
12.0V
15.0V
20.0V
28.0V
V
IN
0
25
50
75
100
125
0
0.4
0.8
1.2
1.6
2
Iout (A)
R
28.0V
20.0V
15.0V
12.0V
V
IN
0
0.5
1
1.5
2
2.5
0
0.4
0.8
1.2
1.6
2
Iout (A)
P
28.0V
20.0V
15.0V
12.0V
V
IN
0
0.5
1
1.5
2
2.5
0
0.4
0.8
1.2
1.6
2
Iout (A)
P
15.0V
10.0V
9.0V
V
IN
0
25
50
75
100
125
0
0.4
0.8
1.2
1.6
2
Iout (A)
R
15.0V
10.0V
9.0V
V
IN
相關(guān)PDF資料
PDF描述
PT78HT265 Half Bridge Driver, LO In Phase with RT, Programmable Oscillating Frequency, 1.2us Deadtime in a 8-lead SOIC package
PT78NR212 IR2172S is not recommended for new designs.
PT78NR215 -15V. 10-12W Plus to Minus Voltage ISR
PT78NR252 Not recommended for new designs. For new designs, we recommend IR3081AM.
PT78NR103 Half Bridge Driver, LO In Phase with RT, Programmable Oscillating Frequency, 1.2us Deadtime in a 8-pin DIP package
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PT78HT253H 功能描述:DC/DC轉(zhuǎn)換器 5.25Vout 2A Wd-Inp Pos Step-Down ISR RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
PT78HT253S 功能描述:DC/DC轉(zhuǎn)換器 5.25Vout 2A Wd-Inp Pos Step-Down ISR RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
PT78HT253V 功能描述:DC/DC轉(zhuǎn)換器 5.25Vout 2A Wd-Inp Pos Step-Down ISR RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
PT78HT265 制造商:未知廠家 制造商全稱:未知廠家 功能描述:6.5Vout 2Amp Wide-Input Positive Step-Down ISR
PT78HT265H 功能描述:DC/DC轉(zhuǎn)換器 6.5Vout 2A Wide-Inpt Pos Step-Down ISR RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
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