AXElite AX3304
The AX3304/A integrates Pulse-Width-Modulation (PWM) control circuit into a single chip, mainly designs for power-supply regulator. This device features an internal 100KHz oscillator (300KHz for "A" version), the UVLO makes sure that the outputs are off until the internal circuit operates normally.| Part No. | AX3304 |
|---|---|
| Datasheet | AX3304 Download |
| Manufacturer |  AXElite |
| Description | PWM Control Controller |
| Buy | Stock & Price |
GENERAL DESCRIPTION
All the functions include an error amplifier, a soft-start, UVLO, OVP, SCP, TSD circuitry. FEATURES
- Input voltage：8V to 40V - Duty ratio：0% to 100% PWM control - Oscillation frequency：100K/300KHz Thermal Shutdown function. Short Circuit Protect (SCP). External SW P-channel MOS. €●yÑb External OVP setting function. R ` w m VÛm Current mode non-synchronous PWMo converter - External current limit setting. tech fo - Under voltage Lockout. .go ww - SOP-8L Pb-Free w package. .c 1/12 Axelite Confidential Materials, do not copy or distribute without written consent. Rev.1.3 Jun.26, 2012 AX3304 BLOCK DIAGRAM EN/CT VCC CURRENT SOURCE BIAS 1.23V REFERENCE 2.5 V REGULATOR START-UP and Auto restart control 1.00V OSC. + AMP _ + COMP . Current limit COMP . 115 mV _ + VSENSE FB CONTROL + DRIVER OVP 1.10V _ AMP + + AMP _ OVP 0.4V SCP PIN ASSIGNMENT The package of AX3304/A is SOP-8L; the pin assignment is given by: ( Top View ) EN/CT GND VGATE VCC 1 V AX3304/A
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