ONSEMI CS51221EDR16G

Manufacturer No:

CS51221EDR16G

Manufacturer:

ONSEMI

Package:

16-SOIC (0.154, 3.90mm Width)

Description:

Enhanced Voltage Mode PWM Controller for Forward or Flyback

Quantity:

Delivery:

Payment:

In Stock :Available

Price not displayed? Please send an RFQ, and we will respond immediately.

CS51221EDR16G information

ONSEMI CS51221EDR16G technical specifications, attributes, parameters and parts with similar specifications to ONSEMI CS51221EDR16G.

Type
Parameter

MSL Type
1

Container Type
REEL

Control Mode
Voltage Mode

VCC Max (V)
15

Drive Cap. (mA)
1000

MSL Temp (°C)
260

Topology
Forward

Case Outline
751B-05

Short Circuit Protection
No

Package Type
SOIC-16

Container Qty.
2500

fsw Typ (kHz)
Up to 1000

Stand-by Mode
No

UVLO (V)
Yes

Latch
Yes

Soft Start
Yes

Download datasheets and manufacturer documentation for ONSEMI CS51221EDR16G.

Package Drawing:

cfcc683b473d074f91911bcaac8bf397.pdf

Datasheet:

c64ba01f061b291546743d974199bc4f.pdf

The CS51221 Enhanced Voltage Mode PWM Controller contains all of the features necessary for basic voltage mode operation. This PWM controller has been optimized for high frequency primary side control operation. In addition, this device includes such features as: Soft Start, accurate duty cycle limit control, less than 50uA startup current, over and under voltage protection and bidirectional synchronization. The CS51221 is available in a SOIC-16 and TSSOP-16 surface mount packages.

Application

Hot Swap - DC-DC Conversion

Feature

1MHz Frequency Capability
Fixed Frequency Voltage Mode Operation, with Feed Forward
Thermal Shutdown
Under Voltage Lock-out
Accurate Programmable Max Duty Cycle Limit
1A Sink/Source Gate Drive
Programmable Pulse-by-Pulse Overcurrent Protection
Leading Edge Current Sense Blanking
75ns Shutdown Propagation Delay
Programmable Soft Start
Undervoltage Protection
Overvoltage Protection with Programmable Hysteresis
Bi-directional Synchronization
25ns GATE Rise and Fall Time (1nF load)
3.3V 3% Reference Voltage Output
Pb-Free Package is Available

User Guide

PURCHASE

Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.

MEANS OF PAYMENT

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.

RFQ (REQUEST FOR QUOTATIONS)

Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

Step1：Prepare product

Step2：Desiccant Protection

Step3：Vacuum Packaging

Step4：Individual Package

Step5：Anti-collision Filling

Step6：Packaging Box

SHIPPING COST

1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.

SHIPPING METHOD

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.