S-8337ABCC-T8T1G Equivalent & Substitute Parts

Part Overview

The S-8337ABCC-T8T1G is a Boost Regulator Positive Output Step-Up DC-DC Controller IC manufactured by ABLIC Inc. in 8-TSSOP surface mount packaging. This device functions as a transistor driver for step-up (boost) topology applications with a single output phase, operating across a 1.8V to 6V supply voltage range. The part is classified as Not For New Designs, indicating its legacy status in the product lifecycle. Equivalent substitute parts are available from ABLIC Inc.'s active product lines, offering functional compatibility with improved availability and active product support.

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
Duty Cycle (Max)	89%
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

Substitution eligibility for the S-8337ABCC-T8T1G is determined by strict alignment across the following critical parameters:

Mandatory Matching Parameters:

Topology: Boost (Step-Up)
Output Type: Transistor Driver
Output Configuration: Positive
Number of Outputs: 1
Voltage - Supply Range: 1.8V ~ 6V
Duty Cycle (Max): 89%
Operating Temperature: -40°C ~ 85°C
Package / Case: 8-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

Frequency - Switching: 280kHz ~ 1.08MHz (substitute range) vs. 257.4kHz ~ 1.134MHz (main part)
Control Features: Current Limit, Frequency Control (substitute) vs. Current Limit, Enable, Frequency Control (main part)
Packaging Format: Tape & Reel (TR) or Cut Tape (CT)
Product Status: Active (substitutes) vs. Not For New Designs (main part)

All substitute parts listed below meet these criteria and are manufactured by ABLIC Inc. in the same 8-TSSOP package with identical electrical operating parameters.

Parameter Comparison

Part Number	Manufacturer	Packaging	Product Status	Frequency - Switching	Control Features	Inventory (Pcs)
S-8337ABCC-T8T1G	ABLIC Inc.	Tape & Reel (TR)	Not For New Designs	257.4kHz ~ 1.134MHz	Current Limit, Enable, Frequency Control	875
S-8333CBDA-T8T1U	ABLIC Inc.	Tape & Reel (TR)	Active	280kHz ~ 1.08MHz	Current Limit, Frequency Control	974
S-8333CCBC-T8T1U	ABLIC Inc.	Cut Tape (CT)	Active	280kHz ~ 1.08MHz	Current Limit, Frequency Control	728
S-8333TCDA-T8T1U	ABLIC Inc.	Tape & Reel (TR)	Active	280kHz ~ 1.08MHz	Current Limit, Frequency Control	1053
S-8333TCDB-T8T1U	ABLIC Inc.	Tape & Reel (TR)	Active	280kHz ~ 1.08MHz	Current Limit, Frequency Control	1002
S-8333TCDC-T8T1U	ABLIC Inc.	Tape & Reel (TR)	Active	280kHz ~ 1.08MHz	Current Limit, Frequency Control	935
S-8333TCIA-T8T1U	ABLIC Inc.	Tape & Reel (TR)	Active	280kHz ~ 1.08MHz	Current Limit, Frequency Control	1069
S-8333TCIB-T8T1U	ABLIC Inc.	Tape & Reel (TR)	Active	280kHz ~ 1.08MHz	Current Limit, Frequency Control	733
S-8333TCIC-T8T1U	ABLIC Inc.	Tape & Reel (TR)	Active	280kHz ~ 1.08MHz	Current Limit, Frequency Control	1059
S-8337ABIA-T8T1U	ABLIC Inc.	Cut Tape (CT)	Active	257.4kHz ~ 1.134MHz	Current Limit, Enable, Frequency Control	760

Engineering Selection Recommendations

Primary Recommendation: S-8337ABIA-T8T1U

The S-8337ABIA-T8T1U is the closest functional equivalent to the S-8337ABCC-T8T1G. Both parts share identical switching frequency ranges (257.4kHz ~ 1.134MHz) and control feature sets (Current Limit, Enable, Frequency Control). The S-8337ABIA-T8T1U carries Active product status with ROHS3 compliance and unlimited moisture sensitivity rating. The only difference is packaging format (Cut Tape vs. Tape & Reel), which does not affect electrical performance. This part is suitable for new designs and provides the highest compatibility level.

Secondary Recommendation: S-8333 Series (S-8333CBDA-T8T1U, S-8333TCDA-T8T1U, S-8333TCDB-T8T1U, S-8333TCDC-T8T1U, S-8333TCIA-T8T1U, S-8333TCIB-T8T1U, S-8333TCIC-T8T1U)

All S-8333 series parts are Active products with ROHS3 compliance and identical electrical operating parameters to the main part. These substitutes operate within a slightly narrower switching frequency range (280kHz ~ 1.08MHz) and omit the Enable control feature, retaining Current Limit and Frequency Control functionality. These parts are suitable for applications where the Enable pin is not required. Tape & Reel packaging is available across multiple part numbers, providing supply flexibility.

Tertiary Recommendation: S-8333CCBC-T8T1U

The S-8333CCBC-T8T1U is functionally equivalent to the S-8333 series but supplied in Cut Tape packaging. This part is appropriate for lower-volume applications or where tape format is not required.

All substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity rating, ensuring regulatory and environmental compatibility with the original part.

Frequently Asked Questions (FAQ)

Q: Can I use S-8333 series parts as direct replacements for the S-8337ABCC-T8T1G?

A: Yes, with one functional consideration. The S-8333 series lacks the Enable control feature present in the S-8337ABCC-T8T1G. If your application does not utilize the Enable pin, the S-8333 series provides full electrical compatibility. If the Enable function is required, use S-8337ABIA-T8T1U instead.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Both formats contain identical components. Tape & Reel packaging is supplied on continuous tape for automated assembly equipment. Cut Tape is supplied in individual tape segments for manual or lower-volume assembly. Electrical performance is identical; selection depends on assembly process requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the environmental standards of the original S-8337ABCC-T8T1G.

Q: Why is the S-8337ABCC-T8T1G marked as Not For New Designs?

A: This designation indicates the part has reached end-of-life status in ABLIC Inc.'s product portfolio. Active substitutes are available with equivalent or superior specifications. For new designs, select from the Active product status alternatives listed.

Q: What is the switching frequency difference between the main part and S-8333 substitutes?

A: The S-8337ABCC-T8T1G operates at 257.4kHz ~ 1.134MHz, while S-8333 series parts operate at 280kHz ~ 1.08MHz. Both ranges overlap significantly (280kHz ~ 1.08MHz), ensuring functional compatibility for most boost regulator applications. The S-8337ABIA-T8T1U maintains the identical frequency range of the original part.

Q: Which substitute offers the best inventory availability?

A: S-8333TCIA-T8T1U has the highest inventory level at 1,069 pieces, followed by S-8333TCDA-T8T1U at 1,053 pieces. Both are Tape & Reel format and Active products.

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