Hangzhou Silan Microelectronics
SDH8302STR50kHz~68kHz 0.65W 650V 10V~25V SOP-8 AC DC Converters, Offline Switchers
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LeadtrendDatasheet (PDF)
LD7750RGR
500mA 65kHz 400mW Flyback SOP-7 AC DC Converters, Offline Switchers RoHS
SOP-7ROHS CompliantActive
High Voltage Green-Mode PWM Controller with Over Temperature Protection
- Manufacturer
- Leadtrend
- Manufacturer part #
- LD7750RGR
- Store part #
- C648777
- Package / case
- SOP-7
- Packaging
- Tape & Reel (TR)
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement · policy
1,147 in stock
#C648777
Stock & price checked 5 days ago
| Quantity | Unit price | Pack price |
|---|---|---|
| 1+ | ₹58.98 | ₹58.98 |
| 10+ | ₹47.27 | ₹472.70 |
| 30+ | ₹42.28 | ₹1,268.40 |
| 100+ | ₹36.00 | ₹3,600.00 |
| 500+ | ₹33.18 | ₹16,590.00 |
| 1,000+ | ₹31.45 | ₹31,450.00 |
1 × ₹58.98
₹58.98
excl. GST
₹69.60 incl. 18% GST
- Dispatch in 7–10 working days
- GST invoice with every order
- Standard pack: 2,500 per reel
LD7750RGR
₹58.98 for 1 + GST
Specifications
- Operating Temperature
- -40℃~+125℃
- Output Current
- 500mA
- Frequency - Switching
- 65kHz
- Pd - Power Dissipation
- 400mW
- Topology
- Flyback
- Features
- High voltage direct start;Light load efficient mode;Leading edge blanking;Slope compensation;Under-voltage lockout;EMI optimization (spread spectrum);Over Voltage Protection;Overtemperature protection (OTP);Under Voltage Protection;Soft-start
- Duty Cycle(Max)
- 75%
- Working Mode
- PWM Modulation
- Feedback System
- Secondary-Side Feedback
Packaging & compliance
- RoHS
- ROHS Compliant
- Lifecycle
- Active
- Packaging
- Tape & Reel (TR)
- Standard pack
- 2,500 / Reel
- Sold per
- Piece
- Minimum order
- 1
- Unit weight
- 0.252 g
Overview
The LD7750R integrates several functions of protections, and EMI-improved solution in a SOP-7, SOP-8 or DIP-8 package to minimize the component counts and the circuit space. The device provides functions of low startup current, green-mode power-saving operation, leading-edge blanking of the current sensing and internal slope compensation. Also, the LD7750R features more protections like OLP (Over Load Protection), OVP (Over Voltage Protection), and OTP (Over Temperature Protection) to prevent the circuit being damaged under the abnormal conditions. The LD7750R features built-in auto-recovery function for OVP on Vcc pin and OLP.
Applications
- Switching AC/DC Adaptor and Battery Charger
- Open Frame Switching Power Supply
- LCD Monitor/TV Power
Key features
- High-Voltage (500V) Startup Circuit
- Current Mode Control
- Green Mode Control
- UVLO (Under Voltage Lockout)
- LEB (Leading-Edge Blanking) on CS Pin
- Internal Frequency Swapping
- Internal Slope Compensation
- Internal Over Current Protection
- OVP (Over Voltage Protection) on Vcc
- OLP (Over Load Protection)
- External OTP through a NTC
- 500mA Driving Capability
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