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BZX84C12数据表
参考设计(24)
55V-90VDC Input, 12V/5A Active Clamp Forward
PMP4752: This reference design uses the UCC2897A active clamp controller to generate an isolated 12V/60W output from a 55V to 90V input. Synchronous rectifiers allow this converter to achieve efficiencies up to 93%.
High Efficiency Forward Converter (12V@7A) for PoE Powered Device (PD)
PMP5124: The PMP5124 reference design provides 12V at 7A from a 48V telecom input with greater than 95% efficiency. This design uses the UCC2897A active clamp controller with self-driven synchronous rectifiers to achieve very high efficiency.
Continuous Flyback for Voice over IP (VoIP) ringer (120V @ 40mA) - PMP1511.2 - TI Tool Folder
PMP1511: PMP1511 is a continous flyback circuit using the UCC2809. The input is 12V to 16.5V. The design provides two isolated outputs: 120V @ 40mA and 48V @ 30mA. The 120V output is regulated using opto feedback. The 48V is regulated through the coupling.
Universal AC DLP Power Supply (10V @ 6A) - PMP5500.2 - TI Tool Folder
PMP5500: This reference design provides 400W of power from a universal AC input with power factor correction. The UCC28019A controls a PFC boost front end, while the UCC25600 LLC resonant-half bridge converts the PFC output to isolated 40V, 33V, and 27V outputs. The total system efficiency is over 89% with a 230VAC input and over 85% with an 115VAC input.
Universal AC DLP Power Supply (10V @ 6A)
PMP5500.2: This reference design provides 400W of power from a universal AC input with power factor correction. The UCC28019A controls a PFC boost front end, while the UCC25600 LLC resonant-half bridge converts the PFC output to isolated 40V, 33V, and 27V outputs. The total system efficiency is over 89% with a 230VAC input and over 85% with an 115VAC input.
120 VAC 7W PFC Wall Dimmable AC Linear Floating Switch LED Driver Reference Design
PMP6022: This magnetic-free (no transformer/inductor), small form-factor, LED driver circuit is ideal for use in LED lamps, downlights, and fixtures. The design takes advantage of relatively new high forward-voltage (22V), low-current (20mA) white LEDs to realize a compact design producing >800 lumens from about 9W of input power. The novel floating switch architecture produces low LED current ripple comparable to single-stage SMPS based designs while providing excellent compatability with a wide range of common household wall dimmers.
Multi-Transformer 2x25V (50V@700mA)
PMP5660.2: From universal input to two strings LED @ 700mA, 50V maximum per string, this PMP5660 offers high efficiency even with a two stage solution: PFC TM Boost and multi-transformer LLC resonant. A TLC555 provides a internal PWM dimming function.
Continuous Flyback for Voice over IP (VoIP) ringer (120V @ 40mA)
PMP1511.2: PMP1511 is a continous flyback circuit using the UCC2809. The input is 12V to 16.5V. The design provides two isolated outputs: 120V @ 40mA and 48V @ 30mA. The 120V output is regulated using opto feedback. The 48V is regulated through the coupling.
Non sync buck controller with 32 to 36V input and 29.2V @ 6A output
PMP7757: PMP7757 is a non-synchronous buck controller with 32V to 36V DC input and 29.2V@ 6A output.
Continuous Flyback for Voice over IP (VoIP) ringer (48V @ 30mA)
PMP1511.1: PMP1511 is a continous flyback circuit using the UCC2809. The input is 12V to 16.5V. The design provides two isolated outputs: 120V @ 40mA and 48V @ 30mA. The 120V output is regulated using opto feedback. The 48V is regulated through the coupling.
36-75VDC Input, 32V/3A output with Flyback configuration
PMP4992: The PMP4992 reference design provides an isolated 32V at 96W (3A) from a standard 48V telecom bus with 91% efficiency. This design uses the TPS40210 to control a diode rectified flyback converter for a low cost and efficient design.
36V to 75V input, 26V to 33V output @ 1A
PMP7004: 30W telecom active clamp forward converter w/ 4-bit VID i/f to modulate output voltage in a range 26Vdc to 33Vdc
18Vdc-57Vdc Input Isolated Battery Charger 29V @ 3A
PMP4963: The PMP4963 reference design uses the TPS40210 PWM controller in a flyback configuration to supply 3A of charge current at over 90% efficiency. The output voltage is limited by the control circuitry to 29.4V.
Current-controlled SEPIC
PMP7072: This SEPIC converter is current controlled and generates 100mA @ approx. 2V from an input voltage of 4.5V to 9V.
Forward converter with Universal input driving 2x6 LEDs
PMP7762: PMP7762 is an offline LED driver with TRIAC dimming. It has short circuit protection as well as op amp control for dimming. It uses 2 op amp control for each LED string to ensure that current in the LED strings match. LM3445 includes a bleeder circuit to ensure proper triac operation by allowing current flow while the line voltage is low to enable proper firing of the triac.
Multi-Transformer 2x25V (390V@192mA)
PMP5660.1: From universal input to two strings LED @ 700mA, 50V maximum per string, this PMP5660 offers high efficiency even with a two stage solution: PFC TM Boost and multi-transformer LLC resonant. A TLC555 provides a internal PWM dimming function.
17V to 36Vin Isolated Flyback 53V @ 70W
PMP5651: This DC/DC converter is an isolated Flyback delivering 53V @ 1.35A from 17V to 36V input voltage. A supplementary overvoltage protection with a further optocoupler has been implemented.
Class 3- 36V-72V Input 2.5V/5A Active Clamp Forward; 1/16 Brick
PMP6886: The PMP6886 reference design provides 2.5V at 5A from a standard 48V telecom input with greater than 88% efficiency. This design uses the UCC2897A active clamp controller along with TI NexFET synchronous rectifiers. The low gate thresholds of the CSD16323Q3 and CSD16406Q3 allow them to be driven directly from the transformer windings. The circuit is built in an industry standard 1/16 brick footprint. Auxilliary features of this design include remote sense, output over-voltage protection, output voltage trim and primary side enable control.
Multi-Transformer 2x25V (50V@700mA) - PMP5660.2 - TI Tool Folder
PMP5660: From universal input to two strings LED @ 700mA, 50V maximum per string, this PMP5660 offers high efficiency even with a two stage solution: PFC TM Boost and multi-transformer LLC resonant. A TLC555 provides a internal PWM dimming function.
36V-72V Input 12V/9A; 95% Efficient Active Clamp Forward
PMP5426: The PMP5426 reference design provides 12V at 9A from a standard 48V telecom input with greater than 95% efficiency. This design uses the UCC2897A active clamp controller with self-driven synchronous rectifiers to achieve very high efficiency.
PFC, Resonant Half-Bridge, Buck (PFC, 42V@6A) for Digital Audio
PMP5327: The PMP5327 reference design provides a 42V/6A output with power factor correction from a universal AC input voltage range. This design uses the UCC28019A to control the front end PFC boost stage. The output of the PFC is followed by a UCC25600 LLC resonant half-bridge. The total efficieny, from input to output is over 92% from a 230VAC input and over 89% from a 115VAC input. An additional 12V/250mA output is also generated by this supply.
Universal AC DLP Power Supply (40V @ 10A)
PMP5500.1: This reference design provides 400W of power from a universal AC input with power factor correction. The UCC28019A controls a PFC boost front end, while the UCC25600 LLC resonant-half bridge converts the PFC output to isolated 40V, 33V, and 27V outputs. The total system efficiency is over 89% with a 230VAC input and over 85% with an 115VAC input.
36V-72VDC Input Active Clamp Forward With Dual 12V/50W Outputs
PMP4028: This power supply design generates a 12V/100W isolated output from a standard 48V telecom input. An active clamp forward converter is controlled by the UCC2897A. The INA202 and an external PFET are used to provide a current limited 12V/4.5A output derived from the main 12V output of the forward converter. This power supply has a peak efficiency of over 94%.
