ST1CC40DR STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
STMicroelectronics ST1CC40DR is a current-mode PWM switching regulator controller with 3V to 18V input voltage range in an SOIC-8 package. It supports a nominal 12V input and features pulse width modulation control for efficient DC-DC power conversion. Available from stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- ST1CC40DR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1300(MOQ 5)
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control architecture for inherent cycle-by-cycle current limiting and fast transient response in DC-DC converter designs
- Wide input voltage range of 3V to 18V covering automotive 12V bus, industrial 12V/15V rails, and low-voltage embedded power supplies
- Compact SOIC-8 package enabling minimal PCB footprint for single-function switching regulator controller integration
Applications
The ST1CC40DR is used in DC-DC converter designs for industrial power supplies, automotive electronics, and embedded computing boards where a 3V to 18V input must be regulated using current-mode PWM control. Its current-mode architecture and single-function design suit point-of-load converters, battery charger controllers, and isolated flyback regulators requiring tight current regulation and fast loop response.
Specifications
| Factory Lead Time | 12Weeks |
| YTEOL | 7.7 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 18V |
| Input Voltage-Min | 3V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G8 |
| Number of Functions | 1 |
| Output Current-Max | 3A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.24 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 1000kHz |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for ST1CC40DR:
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Frequently Asked Questions
What is the input voltage range of ST1CC40DR and what power supply rails does it target?
The ST1CC40DR accepts an input voltage from 3V to 18V with a nominal operating point of 12V, covering common industrial and automotive power rails. The 3V minimum makes it usable in low-voltage embedded systems, while the 18V maximum accommodates 12V automotive batteries with load-dump transients up to 16V typical. This range supports a wide variety of DC-DC converter topologies including buck, boost, and flyback configurations.
Why does current-mode PWM control in ST1CC40DR benefit high-performance switching power supply designs?
Current-mode PWM control in the ST1CC40DR provides cycle-by-cycle peak current limiting, which prevents inductor saturation and protects switches during overload conditions without requiring a separate current-sense comparator. This architecture also improves line regulation and transient response compared to voltage-mode control, because the inner current loop responds to input voltage changes within one switching cycle, reducing output voltage deviation during load steps in 12V to 5V or 12V to 3.3V DC-DC converter designs.
How does the SOIC-8 package of ST1CC40DR compare in board area to controllers in larger packages, and when is it preferred?
The SOIC-8 package of ST1CC40DR has a footprint of approximately 5 mm × 4 mm, significantly smaller than DIP-8 at 10 mm × 6.4 mm or PDIP-16 packages. This makes ST1CC40DR preferred in space-constrained designs such as compact industrial power modules or automotive ECU sub-regulators where PCB area is at a premium and a single-function 3V to 18V PWM controller with current-mode architecture is sufficient for the required power level.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $3.2200 | $16.10 |
| 25+ | $3.0600 | $76.50 |
| 50+ | $2.9000 | $145.00 |
| 100+ | $1.4251 | $142.51 |
| 250+ | $1.3452 | $336.30 |
| 500+ | $1.1300 | $565.00 |
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