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UC3527B
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Category:ACDC- and -DCDC-power supply
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Product Name:Regulated pulse width modulator
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Manufacturers:TI
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Production Batch Number:08+
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Encapsulation:16PDIP
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Stock Status:There is stock
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Stock Quantity:6000
- Minimum order quantity: 1
- Details:
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The pulse width modulator UC1525B/1527B series of integrated circuits is designed to provide higher performance and reduce the number of external components in the design of switching power supplies for all types of use. The on-chip 5.1 V reference buried Zener trimmed to ± 0.75% and the input common-mode error amplifier ranges from the reference voltage without the need for external resistors. Synchronizing the input to the oscillator allows multiple units to be synchronized to an external system clock as slave or one unit. Between CT and a resistor discharge termination, a dead time adjustment range is provided. These devices also have built-in soft-start and only one external timing circuit capacitance requirement.
characteristic
- 8 to 35V operation
- Bury Zener reference 5.1V ± 0.75% tuned to
- The range of oscillators from 100Hz to 500kHz
- Independent oscillator synchronization terminal
- Adjustable dead time control
- Internal soft start
- Pulse by pulse shutdown
- Input undervoltage lockout and hysteresis
- Locked PWM pulses to prevent duplication
- Dual source/receiver output drivers
- The output stage has low cross-conduction
- Stricter reference specifications
parameter
| |
UC3527B |
| topology |
Boost, flyback, forward, full bridge, half bridge, push and pull |
| Control method |
Voltage mode |
| Duty cycle (max.) (%) |
50 |
| Frequency (max) (khertz) |
450 |
| On/Off of Undervoltage Lockout Threshold (5) |
7/6.8 |
| Pins/Packets |
16PDIP |
| (#) Regulated output |
2 |
| Operating temperature range(°C) |
0 to 70 |
andUC3527BRelated ICs are:
| Model |
Manufacturers |
lot number |
encapsulation |
illustrate |
| UC3527B |
TI |
08+ |
16PDIP |
Regulated pulse width modulator |
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