參數(shù)資料
型號： PT78HT208S
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 2 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, SMA3
封裝： ROHS COMPLIANT, SMD-3
文件頁數(shù)： 2/3頁
文件大?。?/td> 477K
代理商： PT78HT208S
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
Typical Characteristics
Note A:
All characteristic data has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.
Note B:
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 @Vin =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)
Efficiency
-
%
9.0V
10.0V
15.0V
VIN
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)
Ambient
Temperature
(°C)
200LFM
120LFM
Nat conv
Airflow
Efficiency vs Output Current
Ripple vs Output Current
Power Dissipation vs Output Current
Safe Operating Area @Vin =15V (Note B)
Efficiency vs Output Current
Ripple vs Output Current
Power Dissipation vs Output Current
Safe Operating Area @Vin =15V (Note B)
50
60
70
80
90
100
0
0.4
0.8
1.2
1.6
2
Iout (A)
Efficiency
-
%
9.0V
12.0V
15.0V
18.0V
24.0V
28.0V
VIN
0
25
50
75
100
125
0
0.4
0.8
1.2
1.6
2
Iout (A)
Ripple
-
mV
28.0V
24.0V
18.0V
15.0V
12.0V
9.0V
VIN
0
0.5
1
1.5
2
2.5
0
0.4
0.8
1.2
1.6
2
Iout (A)
Pd
-
Watts
28.0V
24.0V
18.0V
15.0V
12.0V
9.0V
VIN
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)
Ambient
Temperature
(
°C)
200LFM
120LFM
Nat conv
Airflow
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)
Ambient
Temperature
(
°C)
200LFM
120LFM
Nat conv
Airflow
50
60
70
80
90
100
0
0.4
0.8
1.2
1.6
2
Iout (A)
Efficiency
-
%
12.0V
15.0V
20.0V
28.0V
VIN
0
25
50
75
100
125
0
0.4
0.8
1.2
1.6
2
Iout (A)
Ripple
-
mV
28.0V
20.0V
15.0V
12.0V
VIN
0
0.5
1
1.5
2
2.5
0
0.4
0.8
1.2
1.6
2
Iout (A)
Pd
-
Watts
28.0V
20.0V
15.0V
12.0V
VIN
0
0.5
1
1.5
2
2.5
0
0.4
0.8
1.2
1.6
2
Iout (A)
Pd
-
Watts
15.0V
10.0V
9.0V
VIN
0
25
50
75
100
125
0
0.4
0.8
1.2
1.6
2
Iout (A)
Ripple
-
mV
15.0V
10.0V
9.0V
VIN
相關(guān)PDF資料
PDF描述
PT78HT208H 2 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, SMA3
PT78HT205ST 2 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, SMA3
PT78HT233S 2 A SWITCHING REGULATOR, 1050 kHz SWITCHING FREQ-MAX, SMA3
PT78NR106S 0.8 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, SMA3
PT78NR112V 0.4 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, SMA3
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PT78HT208V 功能描述:DC/DC轉(zhuǎn)換器 8Vout 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:
PT78HT233 制造商:未知廠家 制造商全稱:未知廠家 功能描述:3.3Vout 2Amp Wide-Input Positive Step-Down ISR
PT78HT233H 功能描述:DC/DC轉(zhuǎn)換器 3.3Vout 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:
PT78HT233S 功能描述:DC/DC轉(zhuǎn)換器 3.3Vout 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:
PT78HT233S 制造商:POWER TRENDS 功能描述:IC ISR +3.3V SMD 78HT233
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