|Title||IC PFC CONTROLLER ESIP-16D|
|Datasheet||Download PFS7623H datasheet
|Others parts numbering|
|PFS7623L: IC PFC CONTROLLER ESIP-16G|
|PFS7624L: IC PFC CONTROLLER ESIP-16G|
|PFS7625L: IC PFC CONTROLLER ESIP-16G|
|PFC Controller with Integrated 600 V MOSFET Optimized for High PF and Efficiency Across Load Range
Integrated 600 V MOSFET High efficiency and power factor across load range >95% efficiency from 10% load to 100% load <60 mW no-load consumption at 230 VAC PF >0.95 achievable at 20% load EN61000-3-2 Class C and D compliant Highly integrated for smallest boost PFC form factor Packaging optimized for high volume production Eliminates insulating pad/heat-spreader Programmable Power Good (PG) signal User selectable power limit: Enables different HiperPFS-4 family
members to be tested in the same design for optimum device selection Integrated non-linear amplifier for fast output OV and UV protection and transient response Digital line peak detection for robust performance even with distorted input voltage from UPS or generators Digital power factor enhancer compensates for EMI filter and bridge distortion, providing high-line @ 20% load Frequency adjusted over line voltage and thru each line cycle Spread-spectrum across >60 kHz window simplifies EMI filtering Reduces boost inductance Provides 450 W peak output power for universal applications, 610 W for high-line only applications Protection features include: UVLO, UV, OV, OTP, brown-in/out, cycle-by-cycle current limit and power limiting for overload protection Withstands 305 VAC steady-state and 410 VAC abnormal input Halogen free and RoHS compliant PC Printer LCD TV Video game consoles 80 PlusTM Platinum designs
Universal Input Devices Product PFS7628H PFS7629H Continuous Output Power at 90 VAC 405 W High-Line Input Only Devices Product PFS7635H PFS7636H Continuous Output Power at 180 VAC 550 W Peak Output Power 610 W Peak Output Power 450 WApplications
High-power adaptors High-power LED lighting Industrial and appliance Generic PFC converters
Table 1. Output Power Table (See Table 2 on page 10 for more information.)
Figure 2. Package Options (Body Dimensions: 16.53 mm Width 8.25 mm Height.)
This Product is Covered by Patents and/or Pending Patent Applications.
The HiperPFSTM-4 devices incorporate a continuous conduction mode (CCM) boost PFC controller, gate driver and 600 V power MOSFET in a single, low-profile (GROUND pin connected) power package. HiperPFS-4 devices eliminate need for external current sense resistors and their associated power loss, and use an innovative control technique that adjusts the switching frequency over output load, input line voltage, and input line cycle. This control technique maximizes efficiency over the entire load range, particularly at light loads. Additionally, it minimizes the EMI filtering requirements due to its wide bandwidth spread spectrum effect. The HiperPFS-4 uses advanced digital techniques for line monitoring, line feed-forward scaling, and power factor enhancement; while using analog techniques for the core controller in order to maintain extremely low no-load power consumption. The HiperPFS-4 also features an integrated non-linear error amplifier for enhanced load transient response, a user programmable Power Good (PG) signal as well as user selectable power limit functionality. HiperPFS-4 includes Power Integrations' standard set of comprehensive protection features, such as UV, OV, brown-in/out, and hysteretic thermal shutdown. HiperPFS-4 also provides cycle-by-cycle current limit and Safe Operating Area (SOA) protection of the power MOSFET, output power limiting for overload protection, and pin-to-pin short-circuit protection HiperPFS-4's innovative variable frequency continuous conduction mode operation (VF-CCM) minimizes switching losses by maintaining a low average switching frequency, while modulating the switching frequency in order to suppress EMI, the traditional challenge with continuous conduction mode solutions. Systems using HiperPFS-4 typically reduce the total X and Y capacitance requirements of the converter, the inductance of both the boost choke and EMI noise suppression chokes, thereby reducing overall system size and cost. Additionally, HiperPFS-4 devices dramatically reduce component count and board footprint while simplifying system design and enhancing reliability, when compared with designs that use discrete MOSFETs and controllers. The innovative variable frequency, continuous conduction mode controller enables the HiperPFS-4 to realize all of the benefits of continuous conduction mode operation while leveraging low-cost, small, simple EMI filters. Many regions mandate high power factor for many electronic products with high power requirements. These rules are combined with numerous application-specific standards that require high power supply efficiency across the entire load range, from full load to as low as 10% load. High efficiency at light load is a challenge for traditional PFC solutions where fixed MOSFET switching frequencies cause fixed switching losses on each cycle, even at light loads. In addition to featuring flat efficiency across the load range, HiperPFS-4 also enables a high power factor at 20% load. HiperPFS-4 simplifies compliance with new and emerging energy-efficiency standards over a broad market space in applications such as PCs, LCD TVs, notebooks, appliances, pumps, motors, fans, printers and LED lighting. HiperPFS-4's advanced power packaging technology and high efficiency simplify the complexity of mounting the IC and thermal management, while providing very high power capabilities in a single compact package; these devices are suitable for PFC applications with maximum continuous power from 405 W universal (550 W high-line only).
Protected Power Factor Correction Solution Incorporates 600 V power MOSFET, controller and gate driver. EN61000-3-2 Class C and Class D compliance. Integrated protection features reduce external component count Accurate built-in brown-in/out protection. Accurate built-in undervoltage (UV) protection. Accurate built-in overvoltage (OV) protection. Hysteretic thermal shutdown (OTP). Internal power limiting function for overload protection. Cycle-by-cycle power-switch current limit. Internal non-linear error amplifier for enhanced load transient response No external current sense resistor required. Provides `lossless' internal sensing via sense-FET. Reduces component count and system losses. Minimizes high current gate drive loop area. Minimizes output overshoot and stresses during start-up Integrated power limit. Improved dynamic response. Digitally controlled input line feed-forward gain adjustment for flattened loop gain across entire input voltage range. Eliminates to 39 discrete components for higher reliability and lower cost. Solution for High Efficiency, Low EMI and High PF Continuous conduction mode PFC uses novel constant amp-second [on-time] volt-second [off-time] control. High efficiency across load. High power factor across load. Frequency sliding technique for light load efficiency improvements. >95% efficiency from 10% load to full load achievable at nominal input voltages. Variable switching frequency to simplify EMI filter design. Varies over line input voltage to maximize efficiency and minimize EMI filter requirements. Varies with input line cycle voltage by >60 kHz to maximize spread spectrum effect. Advanced Package for High Power Applications 450 W [universal], 610 W [high-line only] peak output power capability in a highly compact package. Simple adhesive or clip mounting to heat sink. No insulation pad required and can be directly connected to heat sink. Staggered pin arrangement allows simple routing of board traces and to meet high-voltage creepage requirements. Single package solution for PFC converter reduces assembly costs and layout size.
BIAS POWER (VCC) Pin: This a 10.2-15 VDC [12 V typical] bias supply used to power the IC. The bias voltage must be externally clamped to prevent the BIAS POWER pin from exceeding 15 VDC to ensure long-term reliability REFERENCE (REF) Pin: This pin is connected to an external bypass capacitor and is used to program the IC for either FULL or EFFICIENCY power mode. The external capacitor is connected between the REFERENCE and SIGNAL GROUND [G] pins. Note: the return trace to the ground pin must not be shared with other return traces that may pass large return currents during surge events. The REFERENCE pin has two valid capacitor values to select `Full' ±20%) or `Efficiency' mF ±20%) power modes. SIGNAL GROUND (G) Pin: Discrete components used in the feedback circuit, including loop compensation, decoupling capacitors for the BIAS POWER (VCC), REFERENCE (REF) and VOLTAGE MONITOR (V) must be referenced to the SIGNAL GROUND (G) pin. The SIGNAL GROUND pin is also connected to the tab of the device. The SIGNAL GROUND pin should not be tied directly to the SOURCE pin external to the IC. VOLTAGE MONITOR (V) Pin: The VOLTAGE MONITOR pin is tied to the rectified high-voltage DC rail through 100:1, 1% high-impedance resistor divider to minimize power dissipation and standby power consumption. The recommended resistance value is between 8 MW and 16 MW. Changing this divider ratio affects peak power limit, brown-in/out thresholds and will degrade input current quality (reduce power factor and increase THD). A small ceramic capacitor forming 80 ms nominal timeconstant must be connected between the VOLTAGE MONITOR pin to the SIGNAL GROUND pin to bypass any switching noise present on the rectified DC bus. This pin also features brown-in/out detection thresholds and incorporates a weak current source that acts as a pull-down in the event of an open circuit condition. COMPENSATION (C) Pin: This pin is used for loop pole/zero compensation of the OTA error amplifier via the connection of a network of capacitors and a resistor between the COMPENSATION pin and SIGNAL GROUND pin. The COMPENSATION pin connects internally to the output of the OTA error amplifier and the input to the on-time and off-time controllers. FEEDBACK (FB) Pin: This pin is connected to the main voltage regulation feedback resistor divider network and is also used for fast over and undervoltage protection. This pin also detects the presence of the feedback voltage divider network at start-up and during operation. The divider ratio should be the same as the VOLTAGE MONITOR pin for proper and optimized power limit and power factor. A large upper resistor between 8 MW and ±1% is recommended. A small ceramic capacitor between FEEDBACK and SIGNAL GROUND, forming a nominal 80 ms time-constant with the bottom resistor, is required. POWER GOOD (PG) Pin: Use of the PG function is optional. The POWER GOOD pin is an active low, open-drain connection which sinks current when the output voltage is in regulation. At start-up, once the FEEDBACK pin voltage has risen ~95% of the internal reference voltage, the POWER GOOD pin is asserted low.
After start-up, the output voltage threshold at which the PG signal becomes high-impedance depends on the threshold programmed by the POWER GOOD THRESHOLD pin resistor. When not used, the POWER GOOD pin is left unconnected. POWER GOOD THRESHOLD (PGT) Pin: This pin is used to program the output voltage threshold at which the PG signal becomes high-impedance representing the PFC stage falling out of regulation. The low threshold for the PG signal is programmed with a resistor between the POWER GOOD THRESHOLD and SIGNAL GROUND pins. Tying the POWER GOOD THRESHOLD to the REFERENCE pin disables the power good function (i.e. POWER GOOD pin remains high impedance). SOURCE (S) Pins: These pins are the source connection of the power switch as well as the negative bulk capacitor terminal connection. DRAIN (D) Pin: This is the drain connection of the internal power switch.
Exposed Metal (Both H and L Packages) (On Package Edge) Internally Connected to G Pin Exposed Pad (Backside) Internally Connected to GROUND (G) Pin
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