MFG:STMicroelectronics Category:Integrated Circuits (ICs) Package Cooled:SOP-16 D/C:06+
L6668, L6668-LF, L6668TR Datasheet download
Category: Integrated Circuits (ICs)
MFG: STMicroelectronics
Package Cooled: SOP-16
D/C: 06+
Description: IC CTRLR SMART PRIMARY 16-SOICN
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PDF/DataSheet Download
Datasheet: L6668
File Size: 687223 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: L6604
File Size: 164104 KB
Manufacturer: HAMAMATSU [Hamamatsu Corporation]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: L6668TR
File Size: 687223 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
| Technical/Catalog Information | L6668 |
| Vendor | STMicroelectronics |
| Category | Integrated Circuits (ICs) |
| Packaging | * |
| Package / Case | * |
| Power (Watts) | 750mW |
| Voltage - Input | 9.4 ~ 22 V |
| Voltage - Output | - |
| Frequency Range | 93 ~ 107kHz |
| Operating Temperature | -25°C ~ 150°C |
| Output Isolation | Isolated |
| Drawing Number | * |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | L6668 L6668 |
L6668 is a current-mode primary controller IC, designed to build single-ended converters.
The IC drives the system at fixed frequency at heavy load and an improved Standby function causes a smooth frequency reduction as the load is progressively reduced. At very light load the device enters a special operating mode (burst-mode with fixed, externally programmed peak current) that, in addition to the on-board high-voltage start-up and the very low quiescent current, helps keep low the consumption from the mains and be compliant with energy saving regulations. To allow meeting compliance with these standards in power-factor-corrected systems too, an interface with the PFC controller is provided that enables to turn off the pre-regulator when the load level falls below a threshold.
The IC includes also a programmable soft-start, slope compensation for stable operation at duty cycles greater then 50%, a disable function, a leading edge blanking on current sense to improve noise immunity, ltched disable for OVP or OTP shutdown and an effective two-level OCP able to protect the system even in case the secondary diode fails short.
| Symbol | Pin | Parameter | Value | Unit |
| Vcc | 5 | IC Supply voltage (Icc = 20 mA) | Self-limited | V |
| VHV | 1 | High-voltage start-up generator voltage range | -0.3 to 700 | V |
| IHV | 1 | High-voltage start-up generator current | Self-limited | A |
| --- | Analog Inputs & Outputs, except pin 14 | -0.3 to 8 | V | |
| IPFC_STOP | 14 | Max. sink current (low state) | 2 | mA |
| VPFC_STOP | 14 | Max. voltage (open state) | 16 | V |
| Ptot | Power Dissipation @Tamb = 50°C | 0.75 | W | |
| Tj | Junction Temperature Operating range | -25 to 150 | °C | |
| Tstg | Storage Temperature | -55 to 150 | °C |
· MULTIPOWER BCD TECHNOLOGY
· LOAD-DEPENDENT CURRENT-MODE CONTROL: FIXED-FREQUENCY (HEAVY LOAD), FREQUENCY FOLDBACK (LIGHT LOAD), BURST-MODE (NO-LOAD)
· ON-BOARD HIGH-VOLTAGE START-UP
· IMPROVED STANDBY FUNCTION
· LOW QUIESCENT CURRENT (< 2 mA)
· SLOPE COMPENSATION
· PULSE-BY-PULSE & HICCUP-MODE OCP
· INTERFACE WITH PFC CONTROLLER
· DISABLE FUNCTION (ON/OFF CONTROL)
· LATCHED DISABLE FOR OVP/OTP FUNCTION
· PROGRAMMABLE SOFT-START
· 2% PRECISION REFERENCE VOLTAGE EXTERNALLY AVAILABLE
· ±800 mA TOTEM POLE GATE DRIVER WITH INTERNAL CLAMP AND UVLO PULL-DOWN
· BLUE ANGEL, ENERGY STAR, EU CODE OF CONDUCT COMPLIANT
| Technical/Catalog Information | L6668TR |
| Vendor | STMicroelectronics |
| Category | Integrated Circuits (ICs) |
| Packaging | * |
| Package / Case | * |
| Power (Watts) | 750mW |
| Voltage - Input | 9.4 ~ 22 V |
| Voltage - Output | - |
| Frequency Range | 93 ~ 107kHz |
| Operating Temperature | -25°C ~ 150°C |
| Output Isolation | Isolated |
| Drawing Number | * |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | L6668TR L6668TR 497 5094 2 ND 49750942ND 497-5094-2 |
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