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S-8337AAAA-P8T1G
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Product Detailed Parameters
- Description：IC REG CTRLR BOOST 8SON
- Series：-
- Mfr：ABLIC Inc.
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Up
- Output Configuration：Positive
- Topology：Boost
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 6V
- Frequency - Switching：257.4kHz ~ 1.134MHz
- Duty Cycle (Max)：89%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Frequency Control
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SMD, Flat Leads
- Supplier Device Package：8-SON (A) (2.9x2.8)
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Overview
The S-8337AAAA-P8T1G is a CMOS step-up switching regulator controller from the S-8337 series, manufactured by ABLIC Inc. It operates within an input voltage range of 1.8 V to 6 V and supports a maximum oscillation frequency of 1.134 MHz via an external resistor. The device utilizes pulse width modulation (PWM) control with a maximum duty ratio of 0.89. It features integrated under-voltage lockout (UVLO) and timer latch short-circuit protection circuits. The component is housed in an 8-SON package measuring 2.9 x 2.8 mm and is rated for operation between -40°C and 85°C.
Feature Summary
- Integrates UVLO and timer latch short-circuit protection circuits for enhanced system reliability.
- Supports high-frequency PWM control with an internal oscillator adjustable up to 1.134 MHz.
- Features a low minimum operating voltage of 1.8 V suitable for portable systems.
Applications
- Power supply units for LCD displays
- Portable electronic systems requiring low voltage operation
Procurement Notes
Verify the specific suffix against official documentation to confirm pinout and electrical characteristics. Confirm RoHS compliance status as indicated in current datasheets. Check for obsolescence notices or design-in restrictions before finalizing procurement plans.
Selection Notes
Select this component when designing boost converters requiring a wide input voltage range and compact footprint. Ensure the external inductor and capacitor values are calculated to support the desired output voltage and load current while maintaining stability at the selected switching frequency.
Part Context
This part belongs to the S-8337/8338 series of high-frequency PWM control switching regulator controllers. These devices are designed to provide efficient power conversion for battery-operated applications where space and power efficiency are critical constraints.
Replacement Considerations
Consult official substitution lists for equivalent parts within the S-8337 family. Verify that any alternative components match the required package dimensions and thermal performance specifications.
