S-8333ACEC-T8T1G Equivalent & Substitute Parts

Part Overview

The S-8333ACEC-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 power management applications with a single positive output phase. The part is classified as Not For New Designs, making identification of active equivalent alternatives essential for ongoing production and design updates.

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 Range (Vcc/Vdd)	1.8V ~ 6V
Switching Frequency Range	280kHz ~ 1.08MHz
Maximum Duty Cycle	89%
Control Features	Current Limit, Frequency Control
Operating Temperature Range	-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-8333ACEC-T8T1G is determined by strict parametric equivalence across the following criteria:

Primary Equivalence Parameters:

Boost regulator topology with positive output configuration
Transistor driver output type
Single output phase architecture
Supply voltage range: 1.8V ~ 6V
Switching frequency range: 280kHz ~ 1.08MHz (or compatible overlap)
Maximum duty cycle: 89%
Control features: Current Limit and Frequency Control
Operating temperature: -40°C ~ 85°C
Package: 8-TSSOP surface mount
RoHS3 compliance and MSL Level 1

Packaging Variants: Substitutes include both Tape & Reel (TR) and Cut Tape (CT) packaging options. Packaging format does not affect electrical equivalence but may impact procurement and assembly workflows.

Product Status Consideration: The main part (S-8333ACEC-T8T1G) carries Not For New Designs status. All listed substitutes maintain Active product status, making them suitable for new designs and ongoing production.

Parameter Comparison

Part Number	Manufacturer	Packaging	Product Status	Vcc/Vdd Range	Switching Frequency	Duty Cycle (Max)	Control Features	Operating Temp	Package Type	Inventory (Pcs)
S-8333ACEC-T8T1G	ABLIC Inc.	TR	Not For New Designs	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	-40°C ~ 85°C	8-TSSOP	744
S-8333CBDA-T8T1U	ABLIC Inc.	TR	Active	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	-40°C ~ 85°C	8-TSSOP	974
S-8333CCBC-T8T1U	ABLIC Inc.	CT	Active	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	-40°C ~ 85°C	8-TSSOP	728
S-8333TCDA-T8T1U	ABLIC Inc.	TR	Active	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	-40°C ~ 85°C	8-TSSOP	1053
S-8333TCDB-T8T1U	ABLIC Inc.	TR	Active	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	-40°C ~ 85°C	8-TSSOP	1002
S-8333TCDC-T8T1U	ABLIC Inc.	TR	Active	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	-40°C ~ 85°C	8-TSSOP	935
S-8333TCIA-T8T1U	ABLIC Inc.	TR	Active	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	-40°C ~ 85°C	8-TSSOP	1069
S-8333TCIB-T8T1U	ABLIC Inc.	TR	Active	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	-40°C ~ 85°C	8-TSSOP	733
S-8333TCIC-T8T1U	ABLIC Inc.	TR	Active	1.8V ~ 6V	280kHz ~ 1.08MHz	89%	Current Limit, Frequency Control	-40°C ~ 85°C	8-TSSOP	1059
S-8337ABIA-T8T1U	ABLIC Inc.	CT	Active	1.8V ~ 6V	257.4kHz ~ 1.134MHz	89%	Current Limit, Enable, Frequency Control	-40°C ~ 85°C	8-TSSOP	760

Engineering Selection Recommendations

All substitute parts listed maintain ROHS3 compliance and MSL Level 1 rating, matching the environmental and regulatory requirements of the original S-8333ACEC-T8T1G. The primary distinction between substitutes is product status: the original part is Not For New Designs, while all alternatives carry Active status.

For new design implementations, select from the Active-status alternatives. S-8333TCDA-T8T1U, S-8333TCDB-T8T1U, S-8333TCIA-T8T1U, and S-8333TCIC-T8T1U offer the highest inventory levels (1053, 1002, 1069, and 1059 units respectively) in Tape & Reel packaging, supporting high-volume production workflows.

S-8337ABIA-T8T1U introduces an additional Enable control feature beyond the standard Current Limit and Frequency Control, with a slightly extended switching frequency range (257.4kHz ~ 1.134MHz). This part is available in Cut Tape packaging and represents a functional enhancement option where the Enable feature provides design flexibility.

Frequently Asked Questions (FAQ)

Q: Can S-8333ACEC-T8T1G be directly replaced with any of the listed substitutes?

A: Yes, all listed parts are parametrically equivalent boost regulator controllers with identical electrical specifications (1.8V ~ 6V supply, 280kHz ~ 1.08MHz switching frequency, 89% maximum duty cycle, and 8-TSSOP packaging). Direct pin-for-pin substitution is supported. However, S-8337ABIA-T8T1U includes an additional Enable control feature not present in the original part.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Both packaging formats contain electrically identical components in 8-TSSOP configuration. Tape & Reel packaging is optimized for automated assembly lines with continuous reel feeding. Cut Tape packaging provides individual tape segments, suitable for lower-volume or manual assembly processes. Selection depends on production methodology rather than electrical performance.

Q: Why is the original part marked "Not For New Designs"?

A: This designation indicates the part has reached end-of-life status within ABLIC's product portfolio. All listed substitutes maintain Active status, making them the appropriate choice for new product development and ongoing production support.

Q: Does S-8337ABIA-T8T1U's extended switching frequency range affect compatibility?

A: S-8337ABIA-T8T1U operates within 257.4kHz ~ 1.134MHz, which encompasses the original part's 280kHz ~ 1.08MHz range. The extended frequency capability does not compromise compatibility and may provide additional design margin in frequency-sensitive applications. The additional Enable control feature offers enhanced power management flexibility.

Q: Are all substitutes RoHS3 compliant?

A: Yes, all listed substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the environmental and regulatory specifications of the original S-8333ACEC-T8T1G.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message