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AP1117IDG-13 Equivalent & Substitute Parts
Part Overview
The AP1117IDG-13 is a linear voltage regulator IC with positive adjustable output, rated for 1A maximum output current in a TO-252-3 surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AP1117IDG-13 |
| Manufacturer | Diodes Incorporated |
| Category | Power Management (PMIC) |
| Package / Case | TO-252-3, DPAK (2 Leads + Tab), SC-63 |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Voltage - Input (Max) | 18V |
| Voltage - Output (Min/Fixed) | 1.25V |
| Voltage - Output (Max) | 5V |
| Current - Output | 1A |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution for the AP1117IDG-13 is determined by the following critical parameters:
- Identical package type: TO-252-3 (DPAK)
- Matching output configuration: Positive adjustable
- Compatible voltage specifications: Input maximum and output range
- Equivalent current rating: 1A output
- Surface mount mounting type
- RoHS3 compliance
The substitute parts AZ1117D-ADJTRE1 and AZ1117CD-ADJTRG1 maintain functional equivalence within these constraints, though with variations in maximum input voltage, dropout voltage, and quiescent current specifications.
Parameter Comparison
| Parameter | AP1117IDG-13 | AZ1117D-ADJTRE1 | AZ1117CD-ADJTRG1 |
|---|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Product Status | Obsolete | Active | Active |
| Package / Case | TO-252-3 | TO-252-3 | TO-252-3 |
| Output Configuration | Positive | Positive | Positive |
| Output Type | Adjustable | Adjustable | Adjustable |
| Voltage - Input (Max) | 18V | 15V | 15V |
| Voltage - Output (Min/Fixed) | 1.25V | 1.25V | 1.25V |
| Voltage - Output (Max) | 5V | 13.75V | 13.6V |
| Voltage Dropout (Max) | 1.4V @ 1A | 1.25V @ 1A | 1.4V @ 800mA |
| Current - Output | 1A | 1A | 1A |
| Current - Quiescent (Iq) | 10 mA | 10 mA | 5 mA |
| PSRR | 60dB (180Hz) | 75dB (120Hz) | 70dB (120Hz) |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -20°C ~ 125°C (TJ) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 3 (168 Hours) | 1 (Unlimited) |
Engineering Selection Recommendations
Both AZ1117D-ADJTRE1 and AZ1117CD-ADJTRG1 are active product alternatives to the obsolete AP1117IDG-13. Selection between these substitutes depends on application-specific requirements:
AZ1117D-ADJTRE1 is suitable for applications requiring maximum input voltage up to 15V and output voltage up to 13.75V, with improved PSRR performance at 75dB. This part carries MSL-3 moisture sensitivity, requiring controlled storage conditions.
AZ1117CD-ADJTRG1 is recommended for applications with lower minimum operating temperature requirements (-20°C minimum) and reduced quiescent current consumption (5 mA versus 10 mA). This part maintains MSL-1 moisture sensitivity classification, matching the original AP1117IDG-13 specification.
Both substitutes are RoHS3 compliant and maintain identical package geometry and pinout compatibility with the original part.
Frequently Asked Questions (FAQ)
Q: Can AZ1117D-ADJTRE1 or AZ1117CD-ADJTRG1 be used as direct replacements for AP1117IDG-13?
A: Both parts are functionally equivalent within the TO-252-3 package and maintain positive adjustable output configuration. However, verify that your application's maximum input voltage does not exceed 15V, as both substitutes have a lower maximum input rating (15V) compared to the original part (18V).
Q: What is the primary difference between the two substitute parts?
A: AZ1117CD-ADJTRG1 offers lower quiescent current (5 mA versus 10 mA) and maintains MSL-1 moisture sensitivity, while AZ1117D-ADJTRE1 provides higher maximum output voltage capability (13.75V versus 13.6V) and improved PSRR performance.
Q: Are there any temperature range limitations with the substitutes?
A: AZ1117CD-ADJTRG1 has a minimum operating temperature of -20°C, compared to -40°C for both the original part and AZ1117D-ADJTRE1. Confirm your application's minimum temperature requirement before selection.
Q: Do the substitute parts require different handling or storage procedures?
A: AZ1117D-ADJTRE1 carries MSL-3 classification, requiring storage at controlled humidity levels (≤60% RH) for up to 168 hours. AZ1117CD-ADJTRG1 maintains MSL-1 classification with unlimited storage life, matching the original part's handling requirements.
Q: Is the package footprint identical across all three parts?
A: Yes. All three parts use the TO-252-3 (DPAK) package with identical pinout and mechanical dimensions, enabling direct PCB layout compatibility.
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