ACTIVE
STR-L451
STR-L400 series is a power IC for switching power supply, incorporating a power MOSFET and a current mode quasi-resonant controller IC in one package.
Supports quasi-resonant and PRC* at normal operation。
A Low height, SIP-10L full mold package with at least 6.5mm of creepage isolation between high and low terminal tips.
Rich set of protection features help realize low component count, and high performance-to-cost power supply.
* PRC（Pulse Ratio Control）･･･Control method with fixed OFF time, ON time control （Sanken Electric CO., LTD. designation）
Design Support
Related Documents
- ■Application Note
Features
-
・SIP10L full mold package
（STA10L package、2.54mm straight lead pitch）
・Current-mode control
・Built-in oscillator for low frequency operation
・Quasi-resonant operation
・Input compensation at overcurrent
・Built-in Avalanche energy guaranteed
・Various protections:
Over current protection (OCP): pulse by pulse
Over voltage protection (OVP): latch shutdown
Thermal shutdown protection (TSD): latch shutdown
Application
-
・White goods
・Office automation (OA) equipment
・Digital appliances
・Industrial equipment
・Telecommunication equipment
・Other S.M.P.S
Specifications
| Control Method | Quasi-Resonant |
|---|---|
| Type | Power IC |
| Output Current | 74 W |
| RDS(ON) (max.) | 3.950 Ω |
| VDSS (min.) | 650 V |
| VCC (max.) | 35 V |
| Oscillating Frequency(typ.) | ― kHz |
| OCP | YES |
| OLP | None |
| OVP | Latch |
| Brown-in / out | NO |
| TSD | Latch |
| Power Consumption at No Load | |
| Package Weight (Typ.) | 2.6 g |
Typical Application
Block Diagram
Physical Dimensions
Questions or Comments?
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