AP1690MTR-G1 Equivalent & Substitute Parts

Part Overview

The AP1690MTR-G1 is an LED Driver IC manufactured by Diodes Incorporated, designed for AC DC offline switcher applications using flyback topology with a single output. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates across a supply voltage range of 9V to 21V and is housed in an 8-SO surface mount package, suitable for lighting applications requiring offline LED driver functionality.

Key Parameters

Parameter	Value
Manufacturer Part Number	AP1690MTR-G1
Manufacturer	Diodes Incorporated
Category	Power Management (PMIC)
Product Status	Obsolete
Type	AC DC Offline Switcher
Topology	Flyback
Number of Outputs	1
Voltage - Supply (Min)	9V
Voltage - Supply (Max)	21V
Internal Switch(s)	No
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 105°C (TA)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution for the AP1690MTR-G1 is determined by the following critical parameters:

Type & Topology: AC DC Offline Switcher with Flyback topology
Number of Outputs: Single output configuration
Supply Voltage Range: Compatibility within or overlapping 9V to 21V range
Package Type: Surface mount packages (8-SOIC preferred for direct replacement)
Internal Switch Configuration: Presence or absence of internal switching elements
Dimming Capability: Dimming method (PWM, Triac, Analog, or none)
Compliance: ROHS3 compliance and RoHS certification status

The substitute parts listed below maintain core AC DC offline switcher functionality with flyback topology and single-output design. Variations in supply voltage ranges, package types, dimming methods, and internal switch configurations are noted to enable proper selection based on specific application requirements.

Parameter Comparison

Parameter	AP1690MTR-G1	TPS92010D	TPS92310DGSR/NOPB	LNK417EG	LM3497MM/NOPB	LM3450MT/NOPB	LM3447MT/NOPB	LYT2003D-TL	NCL30030B2DR2G
Manufacturer	Diodes Inc.	Texas Instruments	Texas Instruments	Power Integrations	Texas Instruments	Texas Instruments	Texas Instruments	Power Integrations	onsemi
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active
Type	AC DC Offline Switcher	AC DC Offline Switcher	AC DC Offline Switcher	AC DC Offline Switcher	AC DC Offline Switcher	AC DC Offline Switcher	AC DC Offline Switcher	Offline Switcher	AC DC Offline Switcher
Topology	Flyback	Flyback	Flyback	Flyback	Step-Down (Buck)	Flyback, Step-Up (Boost)	Flyback	Flyback	Flyback
Number of Outputs	1	1	1	1	1	1	1	1	1
Voltage - Supply (Min)	9V	—	13V	36V	8V	8.5V	7.5V	—	9V
Voltage - Supply (Max)	21V	21V	36V	725V	12V	20V	17.5V	725V	30V
Internal Switch(s)	No	Yes	No	Yes	No	Yes	No	Yes	No
Package / Case	8-SOIC	8-SOIC	10-VSSOP	eSIP-7C	10-VSSOP	16-TSSOP	14-TSSOP	8-SOIC	16-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Through Hole	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 125°C	-40°C ~ 150°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 150°C	-40°C ~ 125°C
Dimming	—	—	—	PWM	Triac	Analog	Triac	—	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Package Replacement (8-SOIC): TPS92010D and LYT2003D-TL maintain the same 8-SOIC package as the AP1690MTR-G1, enabling direct PCB footprint compatibility. Both are active products with current manufacturing support. TPS92010D operates within the original supply voltage range (maximum 21V) and maintains the same operating temperature floor (-40°C). LYT2003D-TL extends operating temperature to 150°C and supports higher supply voltages (up to 725V), suitable for applications requiring extended thermal performance.

Voltage Range Compatibility: NCL30030B2DR2G provides the closest supply voltage envelope (9V to 30V), encompassing the original 9V to 21V range with additional headroom. LM3447MT/NOPB operates within 7.5V to 17.5V, slightly overlapping the lower end of the original specification. TPS92310DGSR/NOPB requires minimum 13V supply, making it suitable only for applications where input voltage remains above this threshold.

Topology & Switching Considerations: Parts without internal switches (TPS92310DGSR/NOPB, LM3497MM/NOPB, NCL30030B2DR2G, LM3447MT/NOPB) maintain the external switching architecture of the original AP1690MTR-G1. Parts with internal switches (TPS92010D, LNK417EG, LM3450MT/NOPB, LYT2003D-TL) integrate switching functionality, reducing external component count but requiring design verification for control signal compatibility.

Compliance & Certification: All substitute parts maintain ROHS3 or RoHS compliance, meeting environmental regulatory requirements. All parts carry REACH Unaffected or REACH Compliant status, ensuring supply chain continuity.

Dimming Capability Variations: The original AP1690MTR-G1 does not specify dimming capability. Substitute parts offer optional dimming methods: PWM (LNK417EG), Triac (LM3497MM/NOPB, LM3447MT/NOPB), and Analog (LM3450MT/NOPB). Selection depends on application-specific dimming requirements.

Frequently Asked Questions (FAQ)

Q: Can TPS92010D directly replace AP1690MTR-G1 on the PCB? A: Yes. Both use 8-SOIC packaging with identical footprint dimensions (0.154" width, 3.90mm). Pin-to-pin compatibility requires verification against detailed datasheets, but package compatibility is confirmed.

Q: What is the key difference between LM3447MT/NOPB and LM3450MT/NOPB? A: LM3447MT/NOPB uses Flyback topology with Triac dimming in 14-TSSOP package. LM3450MT/NOPB combines Flyback and Step-Up (Boost) topologies with Analog dimming in 16-TSSOP package. Selection depends on required dimming method and output voltage requirements.

Q: Why does LNK417EG have a much higher supply voltage range (36V to 725V)? A: LNK417EG is designed for high-voltage AC input applications using LinkSwitch-PH technology. It is suitable for direct AC mains input designs, whereas AP1690MTR-G1 targets lower voltage DC supplies (9V to 21V). Application requirements determine suitability.

Q: Is LYT2003D-TL suitable for the same applications as AP1690MTR-G1? A: LYT2003D-TL maintains 8-SOIC packaging and Flyback topology but operates at higher supply voltages (up to 725V) and temperatures (up to 150°C). It is suitable for applications requiring extended thermal performance or higher input voltage tolerance, but design verification is required for lower voltage applications.

Q: What does "Internal Switch(s): No" mean for substitution? A: Parts without internal switches require external switching transistors and control circuitry. Parts with internal switches integrate these functions. Designs using parts without internal switches cannot be directly replaced with parts containing internal switches without circuit redesign.

Q: Are all substitute parts in active production status? A: Yes. All listed substitute parts carry Active product status, ensuring long-term availability and manufacturing support. The original AP1690MTR-G1 is obsolete, making active substitutes necessary for new designs and production continuity.

Q: Does package size affect substitution eligibility? A: Package size affects PCB layout compatibility. 8-SOIC parts (TPS92010D, LYT2003D-TL) provide direct footprint replacement. Larger packages (14-TSSOP, 16-TSSOP, 16-SOIC) require PCB redesign. Through-hole packages (LNK417EG eSIP-7C) require different assembly processes.

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