Hangzhou Silan Microelectronics
SDH8302STR50kHz~68kHz 0.65W 650V 10V~25V SOP-8 AC DC Converters, Offline Switchers
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LeadtrendDatasheet (PDF)
LD7515AGL
75kHz 200mW 4.8V~16V Flyback SOT-26 AC DC Converters, Offline Switchers RoHS
SOT-26ROHS CompliantActive
Primary Side Quasi-Resonant BJT Controller with CV/CC Operation
- Manufacturer
- Leadtrend
- Manufacturer part #
- LD7515AGL
- Store part #
- C648776
- Package / case
- SOT-26
- Packaging
- Tape & Reel (TR)
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement · policy
2,869 in stock
#C648776
Stock & price checked 5 days ago
| Quantity | Unit price | Pack price |
|---|---|---|
| 1+ | ₹29.32 | ₹29.32 |
| 10+ | ₹25.84 | ₹258.40 |
| 30+ | ₹24.34 | ₹730.20 |
| 100+ | ₹22.49 | ₹2,249.00 |
| 500+ | ₹21.66 | ₹10,830.00 |
| 1,000+ | ₹19.88 | ₹19,880.00 |
1 × ₹29.32
₹29.32
excl. GST
₹34.60 incl. 18% GST
- Dispatch in 7–10 working days
- GST invoice with every order
- Standard pack: 3,000 per reel
LD7515AGL
₹29.32 for 1 + GST
Specifications
- Operating Temperature
- -40℃~+125℃
- Frequency - Switching
- 75kHz
- Pd - Power Dissipation
- 200mW
- Voltage - Supply
- 4.8V~16V
- Features
- Constant Current Mode (CC);Constant Voltage (CV);Soft-start;Over Voltage Protection;Overtemperature protection (OTP);Under Voltage Protection
- Topology
- Flyback
- Working Mode
- QR
- Feedback System
- Primary-side feedback
Packaging & compliance
- RoHS
- ROHS Compliant
- Lifecycle
- Active
- Packaging
- Tape & Reel (TR)
- Standard pack
- 3,000 / Reel
- Sold per
- Piece
- Minimum order
- 1
- Unit weight
- 0.043 g
Overview
The LD7515A is an excellent primary side feedback BJT controller with CV/CC operation, integrated with several functions of protections. It minimizes the component counts and is available in a tiny SOT-26 package. Those make it an ideal design for low cost applications. It provides functions of ultra-low startup current, green-mode power-saving operation and leading-edge blanking of the current sensing. Also, the LD7515A features Internal OTP (Over Temperature Protection) and OVP (Over Voltage Protection) to prevent the circuit from being damaged due to abnormal conditions. In most cases, the power supply with primary-side feedback controller would accompany with some serious load regulation effect. To deal with this problem, the LD7515A consists of dedicated load regulation compensation circuit to enhance its performance.
Applications
- Mobile Phone Charger
- Lower Power AC/DC Adapter
Key features
- Primary-Side Feedback Control with Quasi-Resonant Operation
- Direct Drive of BJT Switch
- Constant Voltage within ±5%
- Built-In Adjustable Load Regulation Compensation
- Constant Current Control
- Ultra-Low Startup Current (<1.9μA)
- 0.5mA Low Operating Current at Light Load
- 75 kHz Maximum Switching Frequency.
- Current Mode Control
- Green Mode Control Improve Efficiency
- LEB (Leading-Edge Blanking) on CS Pin
- Built-in Soft Start
- VCC OVP (Over Voltage Protection)
- FB Pin Open/Short Protection
- Internal OTP (Over Temperature Protection)
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