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| Place of Origin | Call |
| Brand Name | STMicroelectronics |
| Certification | ROHS |
| Model Number | L5991D013TR |
L5991D013TR DatasheetThis primary controller I.C., 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 control ler 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, over current protection with soft start intervention, and Standby function for oscillator frequency reduction when the converter is lightly loaded.
■ SWITCHING FREQUENCY UP TO 1MHz
■ LOW START-UP CURRENT (< 120µA)
■ HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET (1A)
■ FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION
■ PROGRAMMABLE DUTY CYCLE
■ 100% AND 50% MAXIMUM DUTY CYCLE LIMIT
■ 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
■ PACKAGE: DIP16 AND SO16
Specifications
| Attribute | Attribute Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Product Category | DC DC Switching Controllers |
| Series | L5991 |
| Packaging | Cut Tape (CT) Alternate Packaging |
| Unit-Weight | 0.007079 oz |
| Mounting-Style | SMD/SMT |
| Package-Case | 16-SOIC (0.154", 3.90mm Width) |
| Operating-Temperature | -40°C ~ 150°C (TJ) |
| Mounting-Type | * |
| Supplier-Device-Package | 16-SO |
| Watt | - |
| Number-of-Outputs | 1 Output |
| Output-Isolation | Isolated |
| Internal-Switch-s | No |
| Voltage-Breakdown | - |
| Topology | Boost, Flyback |
| Voltage-Start-Up | 15V |
| Voltage-Supply-Vcc-Vdd | 10 V ~ 20 V |
| Duty-Cycle | 93% |
| Frequency-Switching | Up to 1MHz |
| Fault-Protection | Current Limiting, Over Voltage |
| Control-Features | Frequency Control, Soft Start, Sync |
| Maximum Operating Temperature | + 150 C |
| Operating temperature range | - 40 C |
| Operating-Supply-Voltage | 12 V to 20 V |
| Output-Voltage | 5.075 V |
| Output-Current | 1500 mA |
| Switching-Frequency | 1000 kHz |
| Fall-Time | 35 ns |
| Rise-Time | 70 ns |
| Package-Case | SO-16 |
| Duty-Cycle-Max | 93 % |
Form,Package,Functional compatible component
| Manufacturer Part# | Description | Manufacturer | Compare |
| E-L5991D13TR Power Circuits |
1.5A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO16, LEAD FREE, SOP-16 | STMicroelectronics | L5991D013TR vs E-L5991D13TR |
| E-L5991D Power Circuits |
Current Mode PWM | STMicroelectronics | L5991D013TR vs E-L5991D |
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