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STMICROELECTRONICS L5991D
PWM Controller, 16V-14V supply, 1 MHz, 1.5A out, NSOIC-16
- Manufacturer:
- STMICROELECTRONICS STMICROELECTRONICS
- Manufacturer Part No:
- L5991D
- Order Code:
- 2460840
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- Product Range
- -
- Technical Datasheet:
- L5991D Datasheet
- ECAD / MCAD
-
Product Overview
The L5991D is a Primary Pulse Width Modulation (PWM) Controller with standby. It is developed in BCD60II technology, has been designed to implement off line or DC-DC power supply applications using a fixed frequency current-mode control. Based on a standard current-mode PWM controller this device includes some features such as programmable soft start, IN/OUT synchronization, disable (to be used for over voltage protection and for power management), precise maximum duty cycle control, 100ns leading edge blanking on current sense, pulse by pulse current limit, overcurrent protection with soft start intervention and standby function for oscillator frequency reduction when the converter is lightly loaded.
- Current-mode control PWM
- Fully latched PWM logic with double pulse suppression
- Programmable duty cycle
- Standby function
- Programmable soft-start
- Primary overcurrent fault detection with re-start delay
- PWM UVLO with hysteresis
- IN/OUT Synchronization
- Latched disable
- Internal 100ns leading edge blanking of current sense
Applications
Industrial
Warnings
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Product Information
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- :
- Primary Side Controller
- :
- 1Channels
- :
- Current Mode Control
- :
- 14V
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- 16V
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- NSOIC
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- 16Pins
- :
- Surface Mount
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- -
- :
- -
- :
- 1MHz
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- 0%
- :
- 93%
- :
- Boost, Flyback
- :
- -40°C
- :
- 150°C
- :
- -
- :
- -
- :
- MSL 3 - 168 hours
Technical Documents (2)
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509 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)
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You can reserve stock now just order your desired quantity and checkout as normal. The quantity that cant be dispatched now will be placed on back order and sent as soon as we get a delivery from our supplier. You only get charged when the products are dispatched to you.
Extra stock is available upon order to the Supplier Lead Time which is approximately 11/3/25
509 deliver in 3-4 business days from our UK warehouse
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
¥361.75
(¥397.93 Inc. JCT)
Pricing is unavailable. Please contact customer services.
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| Quantity | Price (Incl JCT) |
|---|---|
| 1+ | ¥361.75 (¥397.93) |
| 10+ | ¥235.66 (¥259.23) |
| 50+ | ¥231.91 (¥255.10) |
| 100+ | ¥228.16 (¥250.98) |
| 250+ | ¥226.66 (¥249.33) |
| 500+ | ¥225.15 (¥247.67) |
| 1000+ | ¥213.47 (¥234.82) |
| 2500+ | ¥213.10 (¥234.41) |
| Quantity | Price (Incl JCT) |
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Pricing is unavailable. Please contact customer services.
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