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UCC2802-Q1
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所属类别：ACDC-和-DCDC-电源
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产品名称：汽车类低功耗 BiCMOS 电流模式 PWM
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厂商：TI
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生产批号：10+
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封装：8SOIC
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库存状态：有库存
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库存量：6000
- 最低订购量：1
- 详细资料：
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The high-speed, low-power integrated circuit contains all the control and driver components needed for off-line and DC-to-DC fixed-frequency current-mode switching power supplies for UCC2800/1/2/3/4/5 homes with minimal parts.
These devices feature the same pinout configuration as the UC2842/3/4/5 series, but also offer internal full-cycle soft-start and internally leading current-sense input blanking value-added capabilities.
This UCC2800/1/2/3/4/5 home offers a choice of maximum duty cycle and voltage level is essential. For example UCC2803 with UCC2805 reference parts are best used in battery-powered systems, while higher reference and UCC2802 with higher UVLO hysteresis UCC2804 are ideal for use in offline power supplies.
characteristic
- Qualified automotive applications
- Electrostatic protection over 200 V using machine models (C=200 pF, R=0)
- 100μA typical supply current start-up
- Typical operating current of 500μA
- Operates up to 1MHz
- Internal soft start
- Internal soft start failure
- Built-in current sense signal with cutting-edge blanking
- 1 amp totem pole output
- Typical gate drive output response from 70 ns current-sensed
- 1.5% tolerance voltage reference
- The same pin is the sum UC3842A of UC3842
parameter
| |
UCC2802 - 1 season |
| Control method |
Current mode |
| Duty Cycle (Max) (%) |
100 |
| Frequency (max) (kHz) |
1000 |
| On/off of undervoltage lockout threshold (5) |
12.5/8.3 |
| Pin/Pack |
8SOIC |
| (#) Regulated output |
One |
| Operating Temperature Range (°C) |
-40 to 125 |
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