| Picture | ES Part No. | Part No | Stock | Price | Datasheet | Pb Free | RoHS | Description | Duty cycle | Flyback/Inverting/Isolated | Switching Frequency | Under Voltage Lockout (UVLO) | Voltage Supply | PWM Type | Number of Outputs | Mounting Type | Case Style | Package / Case | MFR Package | Packaging | Vendor |
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 | 0035-1700-1 | MCP1630V-E/MS | 336 | 43.51 |  | PB-Free | RoHS | High-Speed, Microcontroller-Adaptable, PWM Voltage Mode and Average Current Mode Control | - | YES/YES/YES | 1MHz | 2.7V - 3.0V | 3V ~ 5.5V | Voltage/Current Mode | 1 | Surface Mount | SOIC | MSOP-8 | MSOP-8 | TUBE | MICROCHIP |
| 0078-0249-5 | LM3478MM/NOPB | 635 | 45.99 | | PB-Free | IC Low-Side N-Channel MOSFET Controller for Switching Regulator, 1MHz Switching | - | YES/NO/NO | 1MHz | 2.97V | 2.97V ~ 40V | Current Mode | 1 | Surface Mount | SOIC | MSOP-8 | MSOP-8 | TAPE & REEL | NS/TEXAS | |
 | 0083-0205-0 | UC3845BN-ST | 2,810 | 8.53 | | PB-Free | High Performance Current Mode PWM Controller, Current Mode Operation to 500kHz | 50% Max | YES/YES/YES | 500kHz | 8.4V | 30V | Current Mode | 1 | Through Hole | DIP | PDIP-8 | PDIP-8 | TUBE | ST MICROELECTRONICS | |
 | 0083-0420-3 | SG3525AN | 239 | 21.48 | | PB-Free | PWM Controllers,Regulator Pulse Width Modulators, 100 Hz to 500 KHz Oscillation Range | 49% Max | YES/YES/YES | 500kHz | 7V | 8V ~ 35V | Voltage Mode | 2 | Through Hole | DIP | PDIP-16 | PDIP-16 | TUBE | ST MICROELECTRONICS | |
 | 0083-0421-6 | SG3525AP013TR | 1,875 | 23.43 | | PB-Free | PWM Controllers,regulator Pulse Width Modulators 100 Hz to 500 KHz Oscillation Range | 49% Max | YES/YES/YES | 500kHz | 7V | 8V ~ 35V | Voltage Mode | 2 | Surface Mount | SOIC | SOIC-16 | SOIC-16 | TAPE & REEL | ST MICROELECTRONICS | |
| 0086-0078-8 | SG3524N | 1,417 | 12.47 | | PB-Free | PWM Controllers,Regulator Pulse Width Modulators, Low Standby Current 8 mA Typ | 96% Max | YES/YES/YES | 400kHz | - | 8V ~ 40V | Voltage Mode | 2 | Through Hole | DIP | PDIP-16 | PDIP-16 | TUBE | TEXAS INSTRUMENTS | |
| 0086-0163-4 | TL494CN | 4,209 | 9.84 | | PB-Free | PWM Controllers,Pulse Width Modulation Control Circuit,Internal Regulator Provides a Stable 5 V | 45% Max | YES/YES/YES | 300kHz | - | 7V ~ 40V | Voltage Mode | 2 | Through Hole | DIP | PDIP-16 | PDIP-16 | TUBE | TEXAS INSTRUMENTS | |
| 0086-0174-1 | TL3842P | 2,190 | 11.88 | | PB-Free | Current Mode PWM Controllers,Low Start-up Current (<1mA) | 100% Max | YES/YES/YES | 500kHz | 10V | 10V ~ 30V | Current Mode | 1 | Through Hole | DIP | PDIP-8 | PDIP-8 | TUBE | TEXAS INSTRUMENTS | |
| 0123-0369-2 | KA3525A | 1,976 | 14.10 | | PB-Free | RoHS | PWM Controllers,SMPS Controller,5V ±1% Reference | 49% Max | YES/YES/YES | 430kHz | 7V | 7V ~ 20V | Voltage Mode | 2 | Through Hole | DIP | PDIP-16 | PDIP-16 | TUBE | FAIRCHILD/ON SEMI |
| 0235-0182-0 | SG3525ANG | 957 | 20.68 | | PB-Free | PWM Controllers,Pulse Width Modulator Control Circuit,100 Hz to 400 kHz Oscillator Range | 49% Max | YES/YES/YES | 400kHz | 7V | 8V ~ 35V | Voltage Mode | 2 | Through Hole | DIP | PDIP-16 | PDIP-16 | TUBE | ON SEMICONDUCTOR | |
| 0235-0201-0 | UC3842BNG | 2,182 | 10.13 | | PB-Free | Current Mode PWM Controllers | 96% Max | YES/YES/YES | 500kHz | 10V | 30V | Current Mode | 1 | Through Hole | DIP | PDIP-8 | PDIP-8 | TUBE | ON SEMICONDUCTOR | |
 | 0235-0224-7 | UC3843BVD1R2G | 650 | 10.66 | | PB-Free | RoHS | High Performance Current Mode PWM Controllers Current Mode Operation to 500 kHz PWM Duty Cycle 96% Max. | 96% Max | YES/YES/YES | 500kHz | 7.6V | 30V | Current Mode | 1 | Surface Mount | SOIC | SOIC-8 | SOIC-8 | TAPE & REEL | ON SEMICONDUCTOR |
| 0235-0238-3 | UC3845BNG | 1,727 | 11.55 | | PB-Free | Current Mode PWM Controllers | 50% Max | YES/YES/YES | 500kHz | 7.6V | 30V | Current Mode | 1 | Through Hole | DIP | PDIP-8 | PDIP-8 | TUBE | ON SEMICONDUCTOR | |
| 0235-0279-2 | UC3843BNG | 9,037 | 11.85 | | PB-Free | RoHS | Current Mode PWM Controllers 275kHz Max. PWM 96% Duty Cycle Max. | 96% Max | YES/YES/YES | 500kHz | 7.6V | 30V | Current Mode | 1 | Through Hole | DIP | PDIP-8 | PDIP-8 | TUBE | ON SEMICONDUCTOR |
| 0235-0305-7 | UC3844BNG | 457 | 12.39 | | PB-Free | Current Mode PWM Controllers | 50% Max | NO/NO/NO | 500kHz | 10V | 15V | Current Mode | 1 | Through Hole | DIP | PDIP-8 | PDIP-8 | TUBE | ON SEMICONDUCTOR |
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