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FSDM0565RBWDTU;中文规格书,Datasheet资料

?2005 Fairchild Semiconductor Corporation

https://www.wendangku.net/doc/7216201034.html,

Rev.1.0.5

Features

?Internal Avalanche Rugged Sense FET

?Advanced Burst-Mode operation consumes under 1 W at 240V AC & 0.5W load

?Precision Fixed Operating Frequency (66kHz)?Internal Start-up Circuit

?Pulse by Pulse Current Limiting

?Abnormal Over Current Protection (AOCP)?Over V oltage Protection (OVP)?Over Load Protection (OLP)

?Internal Thermal Shutdown Function (TSD)?Auto-Restart Mode

?Under V oltage Lock Out (UVLO) with hysteresis ?Low Operating Current (2.5mA)?Built-in Soft Start

Application

?SMPS for LCD monitor and STB ?Adaptor

Description

The FSDM0565R is an integrated Pulse Width Modulator (PWM) and Sense FET specifically designed for high performance offline Switch Mode Power Supplies (SMPS)with minimal external components. This device is an integrated high voltage power switching regulator which combine an avalanche rugged Sense FET with a current mode PWM control block. The PWM controller includes integrated fixed frequency oscillator, under voltage lockout, leading edge blanking (LEB), optimized gate driver, internal soft start,temperature compensated precise current sources for a loop compensation and self protection circuitry. Compared with discrete MOSFET and PWM controller solution, it can reduce total cost, component count, size and weight simultaneously increasing efficiency, productivity, and system reliability. This device is a basic platform well suited for cost effective designs of flyback converters.

Table 1.Notes: 1. Typical continuous power in a non-ven-tilated enclosed adapter measured at 50°C ambient. 2. Maximum practical continuous power in an open frame design at 50°C ambient. 3. 230 VAC or 100/115 VAC with doubler.

Typical Circuit

OUTPUT POWER TABLE

PRODUCT 230VAC ±15%(3)

85-265VAC Adapt-er (1)Open Frame (2)Adapt-er (1)Open Frame (2)FSDM0565R 60W 70W 50W 60W FSDM07652R

70W

80W

60W

70W

FSDM0565R

Green Mode Fairchild Power Switch (FPS TM )

FSDM0565R

Internal Block Diagram

Figure 2.Functional Block Diagram of FSDM0565R 2

FSDM0565R

Pin Definitions

Pin Configuration

Figure 3.Pin Configuration (Top View)

Pin Number

Pin Name Pin Function Description

1Drain This pin is the high voltage power Sense FET drain. It is designed to drive the transformer directly.

2GND This pin is the control ground and the Sense FET source.

Vcc

This pin is the positive supply voltage input. During start up, the power is sup-plied by an internal high voltage current source that is connected to the Vstr pin.When Vcc reaches 12V, the internal high voltage current source is disabled and the power is supplied from the auxiliary transformer winding.

4Vfb

This pin is internally connected to the inverting input of the PWM comparator.

The collector of an opto-coupler is typically tied to this pin. For stable operation, a capacitor should be placed between this pin and GND. If the voltage of this pin reaches 6.0V, the over load protection is activated resulting in shutdown of the FPS TM .5N.C -6

Vstr

This pin is connected directly to the high voltage DC link. At startup, the internal high voltage current source supplies internal bias and charges the external ca-pacitor that is connected to the Vcc pin. Once Vcc reaches 12V, the internal cur-rent source is disabled.

FSDM0565R

Absolute Maximum Ratings

(Ta=25°C, unless otherwise specified)Notes:

1. Repetitive rating: Pulse width limited by maximum junction temperature

2. L=14mH, starting Tj=25°C

3. L=13uH, starting Tj=25°C

Thermal Impedance

Notes:

1. Free standing with no heat-sink under natural convection.

2. Infinite cooling condition - Refer to the SEMI G30-88.

Parameter

Symbol Value Unit Drain-source voltage V DSS 650V Vstr Max Voltage

V STR 650V Pulsed Drain current (Tc=25°C)(1)I DM 11A DC Continuous Drain Current(Tc=25°C)I D 2.8A Continuous Drain Current(Tc=100°C) 1.7A Single pulsed avalanche energy (2)E AS 190mJ Single pulsed avalanche current (3)I AS -A Supply voltage V CC 20V Input voltage range

V FB -0.3 to V CC

V Total power dissipation(Tc=25°C)P D (Watt H/S)

W Operating junction temperature T j Internally limited °C Operating ambient temperature T A -25 to +85°C Storage temperature range

T STG

-55 to +150°C ESD Capability, HBM Model (All pins excepts for Vstr and Vfb)

- 2.0

(GND-Vstr/Vfb=1.5kV)kV ESD Capability, Machine Model (All pins excepts for Vstr and Vfb)

300

(GND-Vstr/Vfb=225V)

Parameter

Symbol

Value Unit Junction-to-Ambient Thermal θJA (1)49.90°C/W Junction-to-Case Thermal

θJC (2)

2.78

°C/W

FSDM0565R

Electrical Characteristics

(Ta = 25°C unless otherwise specified)

Parameter Symbol Condition Min.Typ.

Max.Unit

Sense FET SECTION

Drain source breakdown voltage

BV DSS V GS = 0V, I D = 250μA 650--V Zero gate voltage drain current I DSS V DS = 650V, V GS = 0V

--50μA V DS = 520V

V GS = 0V, T C = 125°C --200μA

Static drain source on resistance (1)R DS(ON)V GS = 10V, I D = 2.5A - 1.76 2.2?

Output capacitance C OSS V GS = 0V, V DS = 25V,f = 1MHz

-78-pF

Turn on delay time T D(ON)V DD = 325V, I D = 5A (MOSFET switching time is essentially independent of

operating temperature)

-22-ns Rise time

T R -52-Turn off delay time T D(OFF)-95-Fall time

T F

-50

-CONTROL SECTION Initial frequency F OSC V FB = 3V 606672kHz Voltage stability F STABLE 13V ≤ Vcc ≤ 18V 013%Temperature stability (2)?F OSC -25°C ≤ Ta ≤ 85°C

0±5±10%Maximum duty cycle D MAX -758085%Minimum duty cycle D MIN ---0%Start threshold voltage V START V FB =GND 111213V Stop threshold voltage V STOP V FB =GND 789V Feedback source current I FB V FB =GND 0.70.9 1.1mA Soft-start time

T S Vfb=3

-1015ms Leading Edge Blanking time T LEB

--250

-ns

BURST MODE SECTION Burst Mode Voltages (2)V BURH Vcc=14V -0.7-V V BURL

Vcc=14V

-0.5

-V

PROTECTION SECTION Peak current limit (4)I OVER V FB =5V, V CC =14V

2.0 2.25 2.5A Over voltage protection

V OVP -181920V Abnormal Over current protection

current (3)

I AOCP - 4.99 5.54 6.09A Thermal shutdown temperature (2)T SD 130145160°C Shutdown feedback voltage

V SD

V FB ≥ 5.5V 5.5

6.0

6.5

FSDM0565R

Notes:

1. Pulse test : Pulse width ≤ 300μS, duty ≤ 2%

2. These parameters, although guaranteed at the design, are not tested in mass production.

3. These parameters, although guaranteed, are tested in EDS(wafer test) process.

4. These parameters indicate the inductor current.

5. This parameter is the current flowing into the control IC.

Shutdown delay current I DELAY V FB =5V 2.8 3.5 4.2μA

TOTAL DEVICE SECTION

Operating supply current (5)

I OP

V FB =GND, V CC =14V - 2.5

I OP(MIN)V FB =GND, V CC =10V I OP(MAX)

V FB =GND, V CC =18V

FSDM0565R

Comparison Between FS6M07652RTC and FSDM0565R

Function FS6M07652RTC FSDM0565R

FSDM0565R Advantages

Soft-Start

Adjustable soft-start time using an external capacitor

Internal soft-start with typically 10ms (fixed)?Gradually increasing current limit during soft-start further reduces peak

current and voltage component stresses

?Eliminates external components used for soft-start in most applications ?Reduces or eliminates output overshoot

Burst Mode Operation

?Built into controller ?Output voltage

drops to around half

?Built into controller ?Output voltage fixed ?Improve light load efficiency

?Reduces no-load consumption

FSDM0565R

Typical Performance Characteristics

(These Characteristic Graphs are Normalized at Ta= 25°

Operating Current vs. Temp

Start Threshold Voltage vs. Temp

Stop Threshold Voltage vs. Temp Operating Freqency vs. Temp

Maximum Duty vs. Temp

Feedback Source Current vs. Temp

FSDM0565R

Typical Performance Characteristics (Continued)

(These Characteristic Graphs are Normalized at Ta= 25°

ShutDown Feedback Voltage vs. Temp

ShutDown Delay Current vs. Temp

Over Voltage Protection vs. Temp

Burst Mode Enable Voltage vs. Temp

Burst Mode Disable Voltage vs. Temp

Current Limit vs. Temp

FSDM0565R

Typical Performance Characteristics (Continued) (These Characteristic Graphs are Normalized at Ta= 25°C)

分销商库存信息: FAIRCHILD

FSDM0565RBWDTU