Anterwell Technology Ltd.
| Payment Terms | T/T, Western Union,PayPal |
| Supply Ability | 4390PCS |
| Delivery Time | 1 Day |
| Packaging Details | REEL |
| Temperature Range | -65 to +150 °C |
| Payment Term | T/T, Paypal, Western Union |
| Voltage | 40V |
| Current | 5mA |
| Package | SOP-16 |
| Factory Package | REEL |
| Brand Name | TI |
| Model Number | UC3525ADW |
| Certification | Original Factory Pack |
| Place of Origin | PHILIPPINES |
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Product Specification
| Payment Terms | T/T, Western Union,PayPal | Supply Ability | 4390PCS |
| Delivery Time | 1 Day | Packaging Details | REEL |
| Temperature Range | -65 to +150 °C | Payment Term | T/T, Paypal, Western Union |
| Voltage | 40V | Current | 5mA |
| Package | SOP-16 | Factory Package | REEL |
| Brand Name | TI | Model Number | UC3525ADW |
| Certification | Original Factory Pack | Place of Origin | PHILIPPINES |
| High Light | circuit board ic ，electronic components ic | ||
UC1525A/27A UC2525A/27A UC3525A/27A Regulating Pulse Width Modulators • 8 to 35V Operation
• 5.1V Reference Trimmed to ±1%
• 100Hz to 500kHz Oscillator Range
• Separate Oscillator Sync Terminal
• Adjustable Deadtime Control
• Internal Soft-Start
• Pulse-by-Pulse Shutdown
• Input Undervoltage Lockout with Hysteresis
• Latching PWM to Prevent Multiple Pulses
• Dual Source/Sink Output Drivers
APPLICATIONS
• Applications Using DSPs, Microcontrollers, or Microprocessors
• Wireless Communication Systems
• Portable/Battery-Powered Equipment
• Programmable Controls
• Intelligent Instruments
• Industrial Equipment
• Notebook/Desktop Computers
• Automotive Systems
DESCRIPTION
The UC1525A/1527A series of pulse width modulator integrated circuits are designed to offer improved performance and lowered external parts count when used in designing all types of switching power supplies.
The on-chip +5.1V reference is trimmed to ±1% and the input common-mode range of the error amplifier includes the reference voltage, eliminating external resistors.
A sync input to the oscillator allows multiple units to be slaved or a single unit to be synchronized to an external system clock.
A single resistor between the CT and the discharge terminals provides a wide range of dead-time adjustment.
These devices also feature built-in soft-start circuitry with only an external timing capacitor required. A shutdown terminal controls both the soft-start circuitry and the output stages, providing instantaneous turn off through the PWM latch with pulsed shutdown, as well as soft-start recycle with longer shutdown commands.
These functions are also controlled by an undervoltage lockout which keeps the outputs off and the soft-start capacitor discharged for sub-normal input voltages.
This lockout circuitry includes approximately 500mV of hysteresis for jitter-free operation. Another feature of these PWM circuits is a latch following the comparator.
Once a PWM pulse has been terminated for any reason, the outputs will remain off for the duration of the period.
The latch is reset with each clock pulse. The output stages are totem-pole designs capable of sourcing or sinking in excess of 200mA.
The UC1525A output stage features NOR logic, giving a LOW output for an OFF state. The UC1527A utilizes OR logic which results in a HIGH output level when OFF
| ABSOLUTE MAXIMUM RATINGS(1) |
| Supply Voltage, (+VIN). . . . . . . . . . . . . . . . . . . . +40V Collector Supply Voltage (VC)...................... +40V Logic Inputs ............................ –0.3V to +5.5V Analog Inputs ............................ –0.3V to +VIN Output Current, Source or Sink ................... 500mA Reference Output Current ........................ 50mA Oscillator Charging Current . . . . . . . . . . . . . . . . . . . . . . . . 5mA Power Dissipation at TA = +25°C (Note 2).......... 1000mW Power Dissipation at TC = +25°C (Note 2) ......... 2000mW Operating Junction Temperature .......... –55°C to +150°C Storage Temperature Range ............. –65°C to +150°C Lead Temperature (Soldering, 10 seconds) ......... +300°C Note 1: Values beyond which damage may occur. Note 2: Consult packaging Section of Databook for thermal limitations and considerations of package. |
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Company Details
Business Type:
Distributor/Wholesaler,Trading Company
Year Established:
2004
Total Annual:
500000-1000000
Employee Number:
20~30
Ecer Certification：
Site Member
King--- Originator of ANTERWELL, engaged in the IC electronics industry in 1998 and establish ANTERWELL in 2004. The company is located in Shenzhen Huaqiang North, the largest electronic center in Asia. Our main business is the technical development and ... King--- Originator of ANTERWELL, engaged in the IC electronics industry in 1998 and establish ANTERWELL in 2004. The company is located in Shenzhen Huaqiang North, the largest electronic center in Asia. Our main business is the technical development and ...
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