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参数资料
| 型号： | PT6641E |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 4 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, SMA14 |
| 封装： | SMD-14 |
| 文件页数： | 2/8页 |
| 文件大小： | 149K |
| 代理商： | PT6641E |
TYPICAL
CHARACTERISTICS
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
Specifications (continued)
Characteristics
PT6640 SERIES
(T
a = 25°C unless noted)
Symbols
Conditions
Min
Typ
Max
Units
Switching Frequency
o
+9V
≤ Vin ≤ Vinmax
500
550
600
kHz
Over Io range
Absolute Maximum
Ta
Over Vin range
-40
—
+85
(2)
°C
Operating Temperature Range
Storage Temperature
Ts
—
-40
—
+125
°C
Mechanical Shock
—
Per Mil-STD-883D, Method 2002.3
—
500
—
G’s
Mechanical Vibration
—
Per Mil-STD-883D, Method 2007.2,
—
7.5
—
G’s
20-2000 Hz, soldered in a PC board
Weight
—
14
—
grams
Notes:
(1) The PT6640 Series requires a 330F(output) and 560F(input) electrolytic capacitors for proper operation in all applications.
(2) See Safe Operating Area curves or call the factory for guidance on thermal derating.
Efficiency vs Output Current
Characteristic Curves @12.0V Vin (See Note A)
Safe Operating Area Curves (See Note B)
Power Dissipation vs Output Current
Ripple vs Output Current
Note A:
Characteristic data has been developed from actual products tested at 25°C. This data is considered typical data for the DC-DC Converter.
Note B:
SOA curves represent operating conditions at which internal components are at or below manufacturer’s maximum rated operating temperatures.
PT6642, @Vin =12V
24W 12V Input Positive to Negative
Voltage Converter
PT6640 Series
60.0
65.0
70.0
75.0
80.0
85.0
90.0
00.5
11.5
2
2.533.5
4
Output Current (A)
Efficiency
(%)
PT6643
PT6642
PT6641
PT6646
0
25
50
75
100
125
150
00.511.522.533.5
4
Output Current (A)
Ripple
(mV)
PT6645
PT6643
PT6644
PT6642
PT6641
PT6646
0
1
2
3
4
5
6
00.5
11.522.5
33.5
4
Output Current (A)
PDiss
(Watts)
PT6645
PT6643
PT6644
PT6642
PT6641
PT6646
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Output Current (A)
Ambient
Temperature
(
C
)
200LFM
120LFM
60LFM
Nat conv
Airflow
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| PT6644P | 2.5 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, SMA14 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PT6641P | 功能描述:DC/DC转换器 (-)3.3Vout 12V-In13W Adj + to - Voltage RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PT6642 | 制造商:TI 制造商全称:Texas Instruments 功能描述:24W 12V Input Positive to Negative Voltage Converter |
| PT6642D | 功能描述:DC/DC转换器 (-)5Vout 12V-Input 20W Adj + to - Vltg RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PT6642E | 功能描述:DC/DC转换器 (-)5Vout 12V-Input 20W Adj + to - Vltg RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PT6642G | 功能描述:DC/DC转换器 (-)5Vout 12V-Input 20W Adj + to - Vltg RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
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