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SC1592IMTRT
Semtech Corporation
IC REG LINEAR POS ADJ 3A TO263-7
1185 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Adjustable 1 Output 3A TO-263-7 (DDPAK)
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5.0 / 5.0
- (112 Ratings)
SC1592IMTRT
Product Overview
7214659
DiGi Electronics Part Number
SC1592IMTRT-DGManufacturer
Semtech Corporation
SC1592IMTRT
Description
IC REG LINEAR POS ADJ 3A TO263-7Inventory
1185 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Adjustable 1 Output 3A TO-263-7 (DDPAK)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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SC1592IMTRT Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Packaging
-
Series
-
Product Status
Obsolete
Output Configuration
Positive
Output Type
Adjustable
Number of Regulators
1
Voltage - Input (Max)
16V
Voltage - Output (Min/Fixed)
0.8V
Voltage - Output (Max)
15.48V
Voltage Dropout (Max)
0.52V @ 3A
Current - Output
3A
Current - Quiescent (Iq)
8 mA
Current - Supply (Max)
24 mA
PSRR
-
Control Features
Current Limit, Enable
Protection Features
Over Current, Over Temperature
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
Supplier Device Package
TO-263-7 (DDPAK)
Base Product Number
SC1592
Datasheet & Documents
HTML Datasheet
SC1592IMTRT-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
SC1592IMCT
SC1592IMTR
SC1592IMDKR
Standard Package
800
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
상품 배송이 항상 정시에 이루어졌고, 직원들이 친절하게 안내해줘서 좋아요.
December 02, 2025
I appreciate how DiGi Electronics uses sturdy and reliable packaging materials, which gives confidence in their logistics process.
December 02, 2025
Affordable prices and a friendly atmosphere make DiGi Electronics my top choice for tech needs.
December 02, 2025
The consistent on-time dispatch from DiGi Electronics shows their professionalism.
December 02, 2025
Their technical documentation is detailed, accurate, and easy to understand.
December 02, 2025
My order arrived in no time, and the packaging demonstrated a clear commitment to environmental responsibility.
December 02, 2025
Having ample stock from DiGi Electronics gives us peace of mind during busy periods.
December 02, 2025
Customer support after purchase is friendly and effective.
December 02, 2025
The support staff displays real expertise, resolving issues promptly and effectively whenever I reach out.
December 02, 2025
DiGi Electronics delivers on their promise of quality at reasonable prices.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the SC1592IMTRT in a high-current, thermally constrained application?
When designing in the SC1592IMTRT, a major risk is thermal dissipation due to its linear regulation architecture. At 3A load and high differential voltage (e.g., 12V input to 3.3V output), power dissipation can exceed 26W, which exceeds standard PCB thermal limits. To mitigate, use a 4-layer board with ample copper pour, thermal vias under the exposed pad, and consider forced airflow. Even with ideal layout, derate output current above 85°C ambient, especially given the SC1592IMTRT’s package thermal resistance (approx. 3°C/W junction-to-board). Always simulate worst-case thermal performance before final design sign-off.
Can the SC1592IMTRT be used as a drop-in replacement for the LM1084 or LT1085 in an existing power supply design?
The SC1592IMTRT is not a direct pin-to-pin replacement for the LM1084 or LT1085 due to differences in pinout and control functionality. While all three are 3A adjustable LDOs in TO-263 packages, the SC1592IMTRT includes an Enable pin (absent in LM1084/LT1085) and has different pin sequencing (TO-263-7 vs. TO-220-3). Attempting direct replacement risks incorrect biasing or functional failure. To retrofit, redesign the PCB to accommodate the SC1592IMTRT’s 7-lead DDPak and ensure the enable logic is properly managed—pull high to activate, with a pull-up resistor recommended for stability.
How does the SC1592IMTRT handle overload and short-circuit conditions in continuous operation?
The SC1592IMTRT integrates both over-temperature and over-current protection, making it resilient to temporary faults. However, during sustained short-circuit events, the device will cycle into thermal shutdown and may not recover until temperatures fall below threshold (typically ~150°C). In high-availability systems, this intermittent operation can disrupt downstream circuitry. To improve reliability, add an external current foldback circuit or fuse, and monitor the enable pin state as an indirect fault indicator. Avoid continuous short-circuit exposure due to cumulative thermal stress on the SC1592IMTRT’s die.
What are the stability requirements for the output capacitor when using the SC1592IMTRT in sensitive analog applications?
The SC1592IMTRT requires a minimum 22μF ceramic or low-ESR capacitor at the output for stability, but design-in issues arise in low-noise analog systems where PSRR and ripple matter. Unlike some LDOs, the SC1592IMTRT does not specify PSRR in its datasheet, implying it may not be optimized for high-frequency noise suppression. For sensitive loads (e.g., ADCs, RF circuits), pair it with a ferrite bead and additional LC filtering post-regulation. Use X7R or X5R capacitors with sufficient voltage derating (e.g., 25V rating for 15V output) to maintain stability and minimize microphonic effects in high-vibration environments.
Given that the SC1592IMTRT is listed as obsolete, what are the recommended long-term alternatives for new designs?
Since the SC1592IMTRT is obsolete, new designs should consider long-term alternatives like the TPS7A4700 (TI) or LT3045 (Analog Devices), both offering superior PSRR, lower dropout, and active pass transistor safety. However, if maintaining form/fit/function, the NCV8702 from ON Semiconductor offers a 3A adjustable LDO with thermal shutdown and enable control in a D2PAK, though with higher dropout (~0.7V). For exact current capability, evaluate discrete transistor-based linear regulators with current sense and error amplifiers. Always secure last-time buy inventory of SC1592IMTRT only for legacy repairs, and requalify any substitute under full load and temperature conditions.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
SC1592IMTRT CAD Models
Semtech Corporation SC1592IMTRT PCB symbols & footprints
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