Sn51dp Datasheet Link
| Parameter | Value / Range | Remarks | |-----------|---------------|---------| | | DIP-6 (0.3" lead spacing) | Through-hole, also available in SMD (SN51DP-S) | | Input Diode Forward Current (IF) | 50 mA (max) | Typically driven at 5–20 mA | | Reverse Input Voltage | 6 V (max) | | | Output Blocking Voltage (VDRM) | 600 V (min) | Suitable for 110/230 VAC mains | | On-State Current (ITRMS) | 100 mA | Direct control only for tiny loads; usually drives a power triac | | Peak Surge Current (ITSM) | 1.2 A (non-repetitive) | | | Zero-Crossing Voltage | ±20 V (typical) | Activates within ~20V of AC zero crossing | | Isolation Voltage | 5000 Vrms (min) | Reinforced isolation | | Operating Temperature | -30°C to +100°C | |
and is often found on mainboards like the TP.S506.PB801 used in brands such as Arielli, Crown, and Hisense. NETASHOP.GR Technical Specifications Manufacturer Package Type MSOP-10 or SSOP-10 Supply Voltage ( cap V sub cap I cap N end-sub 3.5V to 7V Operating Temperature -20°C to 130°C Resolution Up to 8-bit programmable pulse width Dimensions 3.9mm (L) x 7.9mm (W) x 1.7mm (H) Key Features Integrated Power Management: sn51dp datasheet
High-reliability deployment in flight control units, radar modules, and secure communication devices due to its resistance to electromagnetic interference . Pin Configuration & Package | Parameter | Value / Range | Remarks
The continuous regulation relies strictly on the balance between the and the internally generated reference. If the LED forward current climbs too high, feedback voltage rises, causing the control loop to narrow the GATE duty cycle, reducing energy and correcting output current back to safe boundaries. If the LED forward current climbs too high,
Depending on the exact sub-circuit, this pin often handles Pulse Width Modulation (PWM) dimming control, which adjusts the brightness of the screen, alongside Over-Voltage Protection (OVP) feedback.
– Internal voltage reference out / diagnostic bypass node.
Disclaimer: The information provided is based on typical application notes and technical snippets found in the public domain. Always refer to the specific component supplier for the most accurate and up-to-date datasheet.