Converters | MC33167
概览
MC34167、MC33167 系列为高性能固定频率电源降压/升压/逆向/开关稳压器，包含了 DC-DC 转换器所需的主要功能。此系列专门为集成在步降和电压逆向配置中而设计，外部部件数量极少。此类器件由内部温度补偿参考、带片上计时部件的固定频率振荡器、用于单脉冲计量的锁存脉宽调制器、高增益误差放大器和高电流输出开关组成。保护功能包括按周期电流限制、欠压锁定和高温关断。另外还包括会将电源电流降至 36 µA 的低功耗待机模式。
- Digital TV (LCD, PDP)
- Efficient system pre-regulator for linear voltage regulators
- Battery chargers
- Output Switch Current in Excess of 5.0 A
- Fixed Frequency Oscillator (72 kHz) with On-Chip Timing
- Provides 5.05 V Output without External Resistor Divider
- Precision 2% Reference
- 0% to 95% Output Duty Cycle
- Cycle-by-Cycle Current Limiting
- Undervoltage Lockout with Hysteresis
- Internal Thermal Shutdown
- Operation from 7.5 V to 40 V
- Standby Mode Reduces Power Supply Current to 36 µA
- Economical 5-Lead TO-220 Package with Two Optional Leadforms
- Also Available in Surface Mount D2 PAK Package
- Moisture Sensitivity Level (MSL) Equals 1
- Pb-Free Packages are Available
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Last Shipments
Pb
A
H
P
D2PAK-5
1
260
TUBE
50
N
Step-Up/Step-Down
Voltage Mode
7.5
40
40
5
80
72
Price N/A
More Details
Last Shipments
Pb
A
H
P
D2PAK-5
1
260
REEL
800
N
Step-Up/Step-Down
Voltage Mode
7.5
40
40
5
80
72
Price N/A
More Details
MC33167TVG
Active
Pb
A
H
P
TO-220-5
NA
0
TUBE
50
N
Step-Up/Step-Down
Voltage Mode
7.5
40
40
5
80
72
$1.6224
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