ABLIC S-8366ABAAA-I6T1U2

The S-8365/8366 Series is a CMOS step-up switching regulator controller which mainly consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a timer latch short-circuit protection circuit, a PWM control circuit (S-8365 Series) and a PWM / PFM switching control circuit (S-8366 Series). With an external low-ON-resistance Nch Power MOS FET, this product is ideal for applications requiring high efficiency and a high output current. During light-load, the S-8366 Series switches its operation to the PFM control by the PWM / PFM switching control circuit. Ceramic capacitors can be used for output capacitor. Small packages SNT-6A, SOT-23-5 and SOT-23-6 enable high-density mounting.

• Low operation voltage
• Input voltage range: Start at 1.1 V (1 mA) guaranteed (in the product without UVLO function), 1.8 V to 5.5 V
• Oscillation frequency: 1.2 MHz, 600 kHz
• Reference voltage: 0.6 V ±2.0%
• Soft start function: 7 ms typ.
• Low current consumption: 70 μA typ. at switching off, 1.0 μA max. at shutdown
• Duty ratio: 28% to 85% (1.2 MHz product), 28% to 90% (600 kHz product)
• Built-in PWM / PFM switching control circuit (S-8366 Series)
• Selectable with / without short-circuit protection circuit for each product
• Settable delay time by external capacitor (in the product with short-circuit protection)
• Selectable with / without UVLO for each product
• Shutdown function
• External parts: Inductor, diode, capacitor, transistor
• Timer latch short-circuit protection circuit
• UVLO (under-voltage lockout) function
• Lead-free, Sn 100%, halogen-free

• MP3 players, digital audio players
• Digital cameras, GPS, wireless transceiver
• Portable devices