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S-8338AAFC-T8T1G
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Product Detailed Parameters
- Description：IC REG CTRLR BOOST 8TSSOP
- 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)：88.50%
- 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-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：8-TSSOP
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Overview
The S-8338AAFC-T8T1G is a CMOS step-up switching regulator controller from the S-8338 series by ABLIC Inc. It operates within an input voltage range of 1.8 V to 6 V and utilizes pulse width modulation (PWM) control. The internal oscillation frequency is adjustable up to 1.133 MHz via an external resistor on the ROSC pin. The device features a fixed maximum duty ratio of 88% and includes under-voltage lockout (UVLO) and timer latch short-circuit protection circuits. It is housed in an 8-pin TSSOP package.
Feature Summary
- Integrates reference voltage, oscillator, error amplifier, and PWM controller for efficient step-up regulation.
- Supports low-voltage operation starting at 1.8 V, suitable for portable systems.
- Includes built-in under-voltage lockout and short-circuit protection mechanisms.
Applications
- Power supply for LCD modules
- Portable electronic devices operating on low voltage
Procurement Notes
Verify the specific suffix AAFC against official datasheets to confirm exact electrical characteristics, as variations exist within the S-8338 family. Confirm RoHS compliance status and packaging details directly with the manufacturer or authorized distributors before procurement.
Selection Notes
Select this component when a fixed 88% maximum duty ratio is required for the boost converter topology. Ensure the application design accommodates the adjustable frequency range up to 1.133 MHz and fits within the -40°C to 85°C operating temperature range specified for the series.
Part Context
This part belongs to the S-8337/8338 Series of high-frequency PWM control switching regulator controllers. The S-8338 variant is distinguished by its fixed maximum duty ratio, unlike the S-8337 series which allows duty ratio adjustment via an external resistor. Both share similar core architectures and protection features.
Replacement Considerations
S-8338ABEC-T8T1G and S-8338ACCB-T8T1G are documented members of the same S-8338 series with identical functional descriptions regarding the fixed duty ratio and PWM control architecture.
