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30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 100% duty cycle, 0°C to 70°C
SOP14Manufacturer:
Mfr.Part #:
UC3842AD
Datasheet:
Series: UC3842A
Topology:
Boost, Buck, Buck boost, Flyback, Forward
Control Mode:
Peak current mode
Duty Cycle (max) (%):
100
EDA/CAD Models:
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The UC3842AD is a current-mode PWM controller IC from ON Semiconductor, designed for high-performance power management applications. It features low startup and operating current, precise control over output frequency and duty cycle, soft-start function to minimize in-rush current during startup, and supports both push-pull and bridge configurations. This IC is suitable for various applications such as switch mode power supplies, battery chargers, LED drivers, and DC-DC converters. It is commonly used in telecommunications, industrial automation, automotive, and consumer electronics industries due to its reliable performance and efficiency in power management circuits. The UC3842AD has a high current totem-pole for driving external MOSFETs, undervoltage lockout protection, and adjustable output frequency and duty cycle. Its low current consumption reduces heat generation and prolongs component lifespan, making it an ideal choice for demanding applications where reliability and efficiency are crucial.
According to the product information, the features of the UC3842AD are:
These features make the UC3842AD suitable for various applications such as motor control, power supplies, audio amplifiers, switch mode power supplies, battery chargers, LED drivers, and DC-DC converters.
The package type of UC3842AD is Small Outline Package - D (PDSO-G14)_8, which is a 14-pin SOIC tube.
According to the product information, the UC3842AD has a pin count of 14 and is packaged in Small Outline Packages - D (PDSO-G14). The IC is a Current Mode PWM Controller with adjustable output frequency and duty cycle.
The pinout function is not explicitly mentioned in the provided information. However, based on the typical pinout for similar current-mode PWM controllers, I can infer that the UC3842AD likely has pins for:
Please note that this is an educated guess based on typical pinouts, and the actual pinout may vary.
The manufacturer of the UC3842AD is ON Semiconductor (ON).
The UC3842AD is commonly used in various applications such as:
The equivalent products of UC3842AD are:
These ICs offer similar current mode PWM controller functionality and can be used as alternatives in various applications.
Topology | Boost, Buck, Buck boost, Flyback, Forward | Control mode | Peak current mode |
Duty cycle (max) (%) | 100 | Switching frequency (max) (kHz) | 500 |
Features | Adjustable switching frequency, Current limiting, Dead time control, Error amplifier | UVLO thresholds on/off (V) | 16/10 |
Operating temperature range (°C) | 0 to 70 | Rating | Catalog |
Gate drive (typ) (A) | 1 | Vin (max) (V) | 28 |
feature-type | Current Mode PWM Controller | feature-control-method | Current |
feature-topology | Boost|Buck|Flyback|Forward | feature-number-of-pwm-outputs | 1 |
feature-switching-frequency-khz | 500 | feature-maximum-duty-cycle- | 100 |
feature-process-technology | feature-output-voltage-v | -0.1 to 11 | |
feature-minimum-operating-supply-voltage-v | feature-maximum-operating-supply-voltage-v | 30 | |
feature-maximum-supply-current-ma | 25 | feature-maximum-power-dissipation-mw | 1000 |
feature-synchronous-pin | No | feature-packaging | Tube |
feature-rad-hard | feature-pin-count | 14 | |
feature-cecc-qualified | No | feature-esd-protection | Yes |
feature-escc-qualified | feature-military | No | |
feature-aec-qualified | No | feature-aec-qualified-number | |
feature-eccn-code | EAR99 | feature-svhc | Yes |
feature-svhc-exceeds-threshold | No | Package/Case | SOP14 |
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Qty. | Unit Price | Ext. Price |
---|---|---|
1+ | $1.327 | $1.33 |
200+ | $0.515 | $103.00 |
500+ | $0.496 | $248.00 |
1000+ | $0.487 | $487.00 |
The prices above are for reference only.
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