Request Quote
(Ships tomorrow)
AP8800AWT-7 LED Driver IC Equivalent & Substitute Parts
Part Overview
The AP8800AWT-7 is a LED Driver IC manufactured by Diodes Incorporated, classified as a Power Management (PMIC) device. This single-output DC-DC regulator features step-down (buck) topology with integrated switching capability, designed for LED driver applications requiring analog and PWM dimming control. The device operates across an 8V to 28V supply range with 370mA switch current output and 600kHz switching frequency.
The AP8800AWT-7 is currently listed as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or maintenance of systems utilizing this component.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AP8800AWT-7 |
| Manufacturer | Diodes Incorporated |
| Product Category | Power Management (PMIC) |
| Device Type | DC DC Regulator |
| Topology | Step-Down (Buck) |
| Package / Case | SOT-23-5 Thin (TSOT-25) |
| Voltage Supply Range | 8V to 28V |
| Current Output / Channel | 370mA (Switch) |
| Switching Frequency | 600kHz |
| Dimming Capability | Analog, PWM |
| Operating Temperature Range | -40°C to 105°C (TA) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the AP8800AWT-7 are selected based on strict alignment with the following critical parameters:
Primary Substitution Criteria:
- Device Type: DC DC Regulator with step-down (buck) topology
- Internal Switch: Yes (integrated switching element required)
- Number of Outputs: Single output configuration
- Dimming Control: Analog and/or PWM dimming capability
- Supply Voltage Compatibility: Minimum 8V input support
- Current Output Capability: Minimum 370mA switch current
- Mounting Type: Surface mount
- Package Compatibility: TSOT-23-5 or equivalent small-form-factor packages acceptable for board-level substitution
- Compliance: ROHS3 compliant, REACH unaffected
Substitution Logic: Parts are grouped into two categories based on package form factor and current rating:
-
Direct Package Equivalents (TSOT-23-5 / SOT-23-5): AL8860WT-7 and IS31LT3353-STLS4-TR maintain the same compact package footprint, enabling direct PCB layout compatibility with minimal or no redesign.
-
Functional Equivalents (Larger Packages): A6217KLJTR-1-T, IS31LT3352-V1GRLS2-TR, IS31LT3360-SDLS4-TR, LM3404MRX/NOPB, LM3405AXMY/NOPB, LM3405XMK/NOPB, LM3406HVMHX/NOPB, and LM3406MH/NOPB provide equivalent or superior electrical performance but require PCB layout modifications due to different package geometries.
All substitute parts maintain ROHS3 compliance and operate within the required temperature range or exceed it.
Parameter Comparison
| Parameter | AP8800AWT-7 | AL8860WT-7 | A6217KLJTR-1-T | IS31LT3352-V1GRLS2-TR | IS31LT3353-STLS4-TR | IS31LT3360-SDLS4-TR | LM3404MRX/NOPB | LM3405AXMY/NOPB | LM3405XMK/NOPB | LM3406HVMHX/NOPB | LM3406MH/NOPB |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Diodes Inc. | Diodes Inc. | Allegro | Lumissil | Lumissil | Lumissil | TI | TI | TI | TI | TI |
| Device Type | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator |
| Topology | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) |
| Internal Switch | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage Supply Min | 8V | 4.5V | 6V | 6V | 6V | 6V | 6V | 3V | 3V | 6V | 6V |
| Voltage Supply Max | 28V | 40V | 48V | 40V | 40V | 40V | 42V | 22V | 15V | 75V | 42V |
| Current Output / Channel | 370mA | 1A | 1.5A | 750mA | 1A | 1.2A | 1A | 1A | 1A | 1.5A | 1.5A |
| Switching Frequency | 600kHz | 1MHz | — | 1MHz | 1MHz | 1MHz | 1MHz | 1.6MHz | 1.6MHz | 10kHz–1MHz | 10kHz–1MHz |
| Dimming | Analog, PWM | Analog, PWM | PWM | Analog, PWM | Analog, PWM | Analog, PWM | PWM | PWM | PWM | PWM | PWM |
| Operating Temperature | -40°C to 105°C | -40°C to 105°C | -40°C to 125°C | -40°C to 85°C | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C |
| Package / Case | SOT-23-5 (TSOT-25) | SOT-23-5 (TSOT-25) | 8-SOIC-EP | 8-SOIC | SOT-23-5 (TSOT-23-5) | SOT-89-5 | 8-PowerSOIC | 8-HVSSOP | SOT-23-6 (TSOT-23-6) | 14-HTSSOP | 14-HTSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Recommended Primary Substitute: AL8860WT-7
AL8860WT-7 is the manufacturer-recommended substitute from Diodes Incorporated. It maintains identical package geometry (SOT-23-5 TSOT-25), enabling direct PCB layout compatibility without redesign. The device is active in production with 30,100 units in stock. It exceeds the AP8800AWT-7 in supply voltage range (4.5V to 40V versus 8V to 28V), output current (1A versus 370mA), and switching frequency (1MHz versus 600kHz). Both devices support analog and PWM dimming, operate across -40°C to 105°C, maintain ROHS3 compliance, and feature MSL 1 moisture sensitivity. This substitute provides superior performance headroom with zero layout risk.
Recommended Secondary Substitute: IS31LT3353-STLS4-TR
IS31LT3353-STLS4-TR from Lumissil Microsystems maintains the same SOT-23-5 package footprint and supports both analog and PWM dimming. It is active in production with 657 units in stock. The device operates across 6V to 40V supply range with 1A output current and 1MHz switching frequency. Operating temperature extends to 125°C (versus 105°C for AP8800AWT-7). MSL rating is 3 (168 hours), requiring controlled storage conditions. This substitute offers package compatibility with enhanced thermal performance.
Functional Equivalents for Higher Current Applications:
For designs requiring higher output current or extended supply voltage range, the following active parts provide functional equivalence with package modifications:
- A6217KLJTR-1-T (Allegro): 1.5A output, 6V to 48V supply, 8-SOIC-EP package, automotive-qualified (AEC-Q100), MSL 3
- IS31LT3352-V1GRLS2-TR (Lumissil): 750mA output, 6V to 40V supply, 8-SOIC package, analog/PWM dimming, MSL 3
- IS31LT3360-SDLS4-TR (Lumissil): 1.2A output, 6V to 40V supply, SOT-89-5 package, automotive-qualified, MSL 3
- LM3404MRX/NOPB (Texas Instruments): 1A output, 6V to 42V supply, 8-PowerSOIC package, automotive-qualified, MSL 3
- LM3405AXMY/NOPB (Texas Instruments): 1A output, 3V to 22V supply, 8-HVSSOP package, MSL 1
- LM3405XMK/NOPB (Texas Instruments): 1A output, 3V to 15V supply, SOT-23-6 package, MSL 1
- LM3406HVMHX/NOPB (Texas Instruments): 1.5A output, 6V to 75V supply, 14-HTSSOP package, automotive-qualified, MSL 1
- LM3406MH/NOPB (Texas Instruments): 1.5A output, 6V to 42V supply, 14-HTSSOP package, automotive-qualified, MSL 1
All substitute parts are ROHS3 compliant and REACH unaffected. Automotive-qualified parts (A6217KLJTR-1-T, IS31LT3360-SDLS4-TR, LM3406HVMHX/NOPB, LM3406MH/NOPB) meet AEC-Q100 standards and are suitable for automotive lighting applications.
Frequently Asked Questions (FAQ)
Q: Can AL8860WT-7 be used as a direct replacement for AP8800AWT-7 without PCB modifications?
A: Yes. AL8860WT-7 maintains identical SOT-23-5 (TSOT-25) package geometry, pin count, and pinout compatibility. No PCB layout changes are required. The device is the manufacturer-recommended substitute from Diodes Incorporated.
Q: What is the key difference between AP8800AWT-7 and AL8860WT-7?
A: AL8860WT-7 provides higher performance specifications: 1A output current (versus 370mA), 1MHz switching frequency (versus 600kHz), and extended supply voltage range to 40V (versus 28V maximum). Both support analog and PWM dimming and operate across -40°C to 105°C. AL8860WT-7 is active in production with significantly higher inventory availability.
Q: Are there package-compatible alternatives to AL8860WT-7?
A: IS31LT3353-STLS4-TR from Lumissil Microsystems also uses the SOT-23-5 package and provides equivalent functionality with 1A output current, 1MHz switching frequency, and analog/PWM dimming support. Operating temperature extends to 125°C. Moisture sensitivity level is 3 (168 hours), requiring controlled storage.
Q: Which substitutes are suitable for automotive applications?
A: A6217KLJTR-1-T, IS31LT3360-SDLS4-TR, LM3406HVMHX/NOPB, and LM3406MH/NOPB are automotive-qualified to AEC-Q100 standards. These parts are suitable for automotive lighting, signage, and related applications requiring automotive-grade reliability.
Q: What does MSL 1 (Unlimited) versus MSL 3 (168 Hours) mean for component handling?
A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions and can be stored indefinitely without special environmental controls. MSL 3 (168 Hours) requires the component to be used within 168 hours of package opening if stored outside controlled humidity conditions (typically 30% to 60% relative humidity at 23°C). MSL 3 components require desiccant packaging and may require baking before reflow soldering if storage limits are exceeded.
Q: Can I use LM3405AXMY/NOPB if my design operates at 3V input?
A: Yes. LM3405AXMY/NOPB supports 3V to 22V supply range, making it suitable for lower-voltage designs. However, the AP8800AWT-7 specifies 8V minimum input. If your original design operates at 8V or higher, verify that the lower minimum voltage of LM3405AXMY/NOPB does not introduce unintended circuit behavior. The device uses 8-HVSSOP package, requiring PCB layout modifications.
Q: What is the difference between PWM-only dimming and Analog/PWM dimming?
A: Analog dimming adjusts LED brightness by varying the output voltage or current through an analog control signal. PWM dimming switches the output on and off at high frequency, with brightness controlled by the duty cycle. Devices supporting both Analog and PWM dimming offer greater design flexibility. AP8800AWT-7 and AL8860WT-7 support both modes. Some substitutes (A6217KLJTR-1-T, LM3404MRX/NOPB, LM3405AXMY/NOPB, LM3405XMK/NOPB, LM3406HVMHX/NOPB, LM3406MH/NOPB) support PWM dimming only, which may limit design compatibility if analog dimming is required.
Q: Which substitute offers the highest supply voltage range?
A: LM3406HVMHX/NOPB supports 6V to 75V supply range, the widest among all substitutes. This device is suitable for high-voltage LED driver applications. It uses 14-HTSSOP package and is automotive-qualified.
Q: Is IS31LT3352-V1GRLS2-TR suitable if I need 750mA output current?
A: IS31LT3352-V1GRLS2-TR provides exactly 750mA output current, which exceeds the AP8800AWT-7 specification of 370mA. The device operates across 6V to 40V supply range with 1MHz switching frequency and supports analog/PWM dimming. It uses 8-SOIC package, requiring PCB layout modifications. Moisture sensitivity is MSL 3 (168 hours).
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