Request Quote
(Ships tomorrow)
S-8338ABEC-T8T1G Equivalent & Substitute Parts
Part Overview
The S-8338ABEC-T8T1G is a Boost Regulator Positive Output Step-Up DC-DC Controller IC manufactured by ABLIC Inc. in 8-TSSOP surface mount packaging. This part operates as a transistor driver for step-up topology applications with a single output phase, supporting input voltage ranges from 1.8V to 6V and switching frequencies between 257.4kHz and 1.134MHz. The device includes current limit, enable, and frequency control features for flexible boost converter implementations.
The S-8338ABEC-T8T1G carries a "Not For New Designs" product status. Identifying equivalent substitute parts ensures design continuity and supply chain flexibility for existing applications or when transitioning to actively supported alternatives.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | ABLIC Inc. |
| Category | Power Management (PMIC) |
| Function | Step-Up (Boost) |
| Output Type | Transistor Driver |
| Output Configuration | Positive |
| Number of Outputs | 1 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 6V |
| Frequency - Switching | 257.4kHz ~ 1.134MHz |
| Duty Cycle (Max) | 88.5% |
| Control Features | Current Limit, Enable, Frequency Control |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the S-8338ABEC-T8T1G are grouped based on the following substitution criteria:
Primary Equivalence Parameters:
- Manufacturer: ABLIC Inc.
- Function: Step-Up (Boost) topology
- Output Type: Transistor Driver
- Output Configuration: Positive
- Package / Case: 8-TSSOP (0.173", 4.40mm Width)
- Voltage - Supply (Vcc/Vdd): 1.8V ~ 6V
- Operating Temperature: -40°C ~ 85°C (TA)
- Mounting Type: Surface Mount
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level (MSL): 1 (Unlimited)
Substitution Groups:
Group A - S-8333 Series (Active Status): Parts S-8333CBDA-T8T1U, S-8333CCBC-T8T1U, S-8333TCDA-T8T1U, S-8333TCDB-T8T1U, S-8333TCDC-T8T1U, S-8333TCIA-T8T1U, and S-8333TCIB-T8T1U share identical core electrical parameters with the main part. These devices operate within the same supply voltage range (1.8V ~ 6V) and temperature range (-40°C ~ 85°C). The switching frequency range differs slightly (280kHz ~ 1.08MHz versus 257.4kHz ~ 1.134MHz), and maximum duty cycle is 89% versus 88.5%. Control features include Current Limit and Frequency Control, with Enable function absent in this series. Packaging options include both Tape & Reel (TR) and Cut Tape (CT) formats.
Group B - S-8337ABIA-T8T1U (Active Status): This part maintains identical electrical specifications to the main part, including switching frequency range (257.4kHz ~ 1.134MHz) and maximum duty cycle (89%). It includes the same control features: Current Limit, Enable, and Frequency Control. Packaging is Cut Tape (CT) format.
Group C - S-8338ACIA-T8T1U (Active Status): This variant shares the base S-8338 series designation with the main part and maintains identical electrical specifications, including switching frequency range (257.4kHz ~ 1.134MHz) and maximum duty cycle (88.5%). Control features match the main part: Current Limit, Enable, and Frequency Control. Packaging is Cut Tape (CT) format.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Packaging | Voltage - Supply (Vcc/Vdd) | Frequency - Switching | Duty Cycle (Max) | Control Features | Operating Temperature | Package / Case | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|
| S-8338ABEC-T8T1G | ABLIC Inc. | Not For New Designs | Tape & Reel (TR) | 1.8V ~ 6V | 257.4kHz ~ 1.134MHz | 88.5% | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | 8-TSSOP (0.173", 4.40mm Width) | 1012 |
| S-8333CBDA-T8T1U | ABLIC Inc. | Active | Tape & Reel (TR) | 1.8V ~ 6V | 280kHz ~ 1.08MHz | 89% | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | 8-TSSOP (0.173", 4.40mm Width) | 974 |
| S-8333CCBC-T8T1U | ABLIC Inc. | Active | Cut Tape (CT) | 1.8V ~ 6V | 280kHz ~ 1.08MHz | 89% | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | 8-TSSOP (0.173", 4.40mm Width) | 728 |
| S-8333TCDA-T8T1U | ABLIC Inc. | Active | Tape & Reel (TR) | 1.8V ~ 6V | 280kHz ~ 1.08MHz | 89% | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | 8-TSSOP (0.173", 4.40mm Width) | 1053 |
| S-8333TCDB-T8T1U | ABLIC Inc. | Active | Tape & Reel (TR) | 1.8V ~ 6V | 280kHz ~ 1.08MHz | 89% | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | 8-TSSOP (0.173", 4.40mm Width) | 1002 |
| S-8333TCDC-T8T1U | ABLIC Inc. | Active | Tape & Reel (TR) | 1.8V ~ 6V | 280kHz ~ 1.08MHz | 89% | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | 8-TSSOP (0.173", 4.40mm Width) | 935 |
| S-8333TCIA-T8T1U | ABLIC Inc. | Active | Tape & Reel (TR) | 1.8V ~ 6V | 280kHz ~ 1.08MHz | 89% | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | 8-TSSOP (0.173", 4.40mm Width) | 1069 |
| S-8333TCIB-T8T1U | ABLIC Inc. | Active | Tape & Reel (TR) | 1.8V ~ 6V | 280kHz ~ 1.08MHz | 89% | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | 8-TSSOP (0.173", 4.40mm Width) | 733 |
| S-8333TCIC-T8T1U | ABLIC Inc. | Active | Tape & Reel (TR) | 1.8V ~ 6V | 280kHz ~ 1.08MHz | 89% | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | 8-TSSOP (0.173", 4.40mm Width) | 1059 |
| S-8337ABIA-T8T1U | ABLIC Inc. | Active | Cut Tape (CT) | 1.8V ~ 6V | 257.4kHz ~ 1.134MHz | 89% | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | 8-TSSOP (0.173", 4.40mm Width) | 760 |
| S-8338ACIA-T8T1U | ABLIC Inc. | Active | Cut Tape (CT) | 1.8V ~ 6V | 257.4kHz ~ 1.134MHz | 88.5% | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | 8-TSSOP (0.173", 4.40mm Width) | 801 |
Engineering Selection Recommendations
For Direct Electrical Equivalence: S-8337ABIA-T8T1U and S-8338ACIA-T8T1U provide the closest electrical match to the S-8338ABEC-T8T1G. Both maintain identical switching frequency range (257.4kHz ~ 1.134MHz), duty cycle specifications (88.5% for S-8338ACIA-T8T1U, 89% for S-8337ABIA-T8T1U), and control feature sets including Enable function. Both parts carry Active product status and ROHS3 compliance. The primary difference is packaging format: S-8337ABIA-T8T1U and S-8338ACIA-T8T1U are supplied in Cut Tape (CT) format, while the main part is Tape & Reel (TR).
For Active Product Status with Tape & Reel Packaging: The S-8333 series variants (S-8333CBDA-T8T1U, S-8333TCDA-T8T1U, S-8333TCDB-T8T1U, S-8333TCDC-T8T1U, S-8333TCIA-T8T1U, S-8333TCIB-T8T1U, S-8333TCIC-T8T1U) offer Active product status with Tape & Reel packaging. These parts operate within the same supply voltage and temperature ranges. The switching frequency range is narrower (280kHz ~ 1.08MHz) and maximum duty cycle is slightly higher (89%). The Enable control feature is not present in the S-8333 series. These parts are suitable for applications where Enable functionality is not required.
Compliance and Regulatory Considerations: All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited), and ECCN EAR99 classification, matching the regulatory profile of the main part. REACH status is unaffected for all parts.
Frequently Asked Questions (FAQ)
Q: Can S-8333 series parts directly replace the S-8338ABEC-T8T1G? A: S-8333 series parts are electrically compatible for boost converter applications within the specified voltage and temperature ranges. The primary functional difference is the absence of the Enable control feature in the S-8333 series. If your design does not utilize the Enable pin, S-8333 variants are suitable substitutes. If Enable functionality is required, use S-8337ABIA-T8T1U or S-8338ACIA-T8T1U instead.
Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging? A: Tape & Reel packaging is supplied on continuous tape wound on reels, suitable for high-volume automated assembly. Cut Tape packaging is supplied as individual tape segments, typically used for lower-volume orders or manual assembly. Both formats contain identical components in the same 8-TSSOP package. Selection depends on assembly process requirements and order quantities.
Q: Are there switching frequency differences between substitute parts? A: Yes. The S-8338ABEC-T8T1G and its closest electrical equivalents (S-8337ABIA-T8T1U and S-8338ACIA-T8T1U) operate at 257.4kHz ~ 1.134MHz. The S-8333 series operates at 280kHz ~ 1.08MHz. This difference affects output ripple characteristics and component selection for external inductors and capacitors. Verify that your circuit design accommodates the switching frequency range of the selected substitute.
Q: Why is the S-8338ABEC-T8T1G marked "Not For New Designs"? A: This designation indicates the part is in mature or end-of-life status. ABLIC Inc. recommends using Active alternatives for new designs. S-8337ABIA-T8T1U and S-8338ACIA-T8T1U are the recommended Active alternatives with equivalent electrical specifications.
Q: Do all substitute parts have the same maximum duty cycle? A: No. The S-8338ABEC-T8T1G and S-8338ACIA-T8T1U specify 88.5% maximum duty cycle. The S-8333 series and S-8337ABIA-T8T1U specify 89% maximum duty cycle. This difference is minor and typically does not affect circuit performance, but verify your design does not depend on the specific duty cycle limit.
Q: Are all parts RoHS compliant? A: Yes. All listed parts are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage practices.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts