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Rectifier Controller. FAN6240M6X Datasheet

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Rectifier Controller. FAN6240M6X Datasheet
















FAN6240M6X Controller. Datasheet pdf. Equivalent













Part

FAN6240M6X

Description

Secondary-Side Synchronous Rectifier Controller



Feature


FAN6240 — Secondary-Side Synchronous R ectifier Controller for Flyback Convert ers July 2016 FAN6240 Secondary-Side Synchronous Rectifier Controller for Fl yback Converters Features  Works in Discontinuous Conduction Mode (DCM). Adaptive Turn-off Trigger Blanking T ime for easier use  Turn-on Trigger Blanking Time (Minimum-OFF Time) for Im proved Noise Immunity  Su.
Manufacture

Fairchild Semiconductor

Datasheet
Download FAN6240M6X Datasheet


Fairchild Semiconductor FAN6240M6X

FAN6240M6X; pports High-Frequency Applications up to 200 kHz  Minimum Turn-on Delay (20 ns)  Adaptive Turn-off Threshold Con trol for Minimized SR MOSFET Body Diode Conduction (Dead-Time is independent o f SR MOSFET)  Wide Voltage Range for LDO Input up to 30 V  Small Footpri nt: SOT-23 6 Pin Package Description T he FAN6240M6X is a secondary-side synch ronous rectifier (SR) cont.


Fairchild Semiconductor FAN6240M6X

roller for an isolated flyback converter operating in Discontinuous Conduction Mode (DCM). The adaptive dead-time cont rol algorithm minimizes the body diode conduction of SR MOSFET while guarantee ing stable and robust SR operation agai nst noise and disturbance caused by the circuit parasitic. 30 V rated input vo ltage LDO and Low VDD UnderVoltage Lock out (UVLO) voltage.


Fairchild Semiconductor FAN6240M6X

allow FAN6240M6X to be used for wide ra nges of switched mode power supply outp ut voltage without additional circuit. Applications  Battery Chargers for S mart Phones, Feature Phones, and Tablet PCs  AC-DC Adapters for Portable De vices that Require CV/CC Control Order ing Information Part Number Operating Temperature Range FAN6240M6X -40C to +125C Package 6-Le.




Part

FAN6240M6X

Description

Secondary-Side Synchronous Rectifier Controller



Feature


FAN6240 — Secondary-Side Synchronous R ectifier Controller for Flyback Convert ers July 2016 FAN6240 Secondary-Side Synchronous Rectifier Controller for Fl yback Converters Features  Works in Discontinuous Conduction Mode (DCM). Adaptive Turn-off Trigger Blanking T ime for easier use  Turn-on Trigger Blanking Time (Minimum-OFF Time) for Im proved Noise Immunity  Su.
Manufacture

Fairchild Semiconductor

Datasheet
Download FAN6240M6X Datasheet




 FAN6240M6X
July 2016
FAN6240
Secondary-Side Synchronous Rectifier Controller for
Flyback Converters
Features
Works in Discontinuous Conduction Mode (DCM).
Adaptive Turn-off Trigger Blanking Time for easier
use
Turn-on Trigger Blanking Time (Minimum-OFF
Time) for Improved Noise Immunity
Supports High-Frequency Applications up to
200 kHz
Minimum Turn-on Delay (20 ns)
Adaptive Turn-off Threshold Control for Minimized
SR MOSFET Body Diode Conduction (Dead-Time
is independent of SR MOSFET)
Wide Voltage Range for LDO Input up to 30 V
Small Footprint: SOT-23 6 Pin Package
Description
The FAN6240M6X is a secondary-side synchronous
rectifier (SR) controller for an isolated flyback converter
operating in Discontinuous Conduction Mode (DCM).
The adaptive dead-time control algorithm minimizes the
body diode conduction of SR MOSFET while
guaranteeing stable and robust SR operation against
noise and disturbance caused by the circuit parasitic.
30 V rated input voltage LDO and Low VDD Under-
Voltage Lockout (UVLO) voltage allow FAN6240M6X to
be used for wide ranges of switched mode power supply
output voltage without additional circuit.
Applications
Battery Chargers for Smart Phones, Feature
Phones, and Tablet PCs
AC-DC Adapters for Portable Devices that Require
CV/CC Control
Ordering Information
Part Number
Operating
Temperature Range
FAN6240M6X
-40C to +125C
Package
6-Lead, SOT23, JEDEC MO-178 Variation AB,
1.6 mm Wide
Packing
Method
Tape & Reel
© 2016 Fairchild Semiconductor Corporation
FAN6240 • Rev. 1.0
www.fairchildsemi.com




 FAN6240M6X
Application Diagram
LCM
AC IN
F1
Fuse
U3
Photo
BR1
C1
C5
R11
L1
C2
R3
C3
R4
R1
D1
R2
R5
TX1
NP
NS
Q1
9 FB
1
HV Gate 4
8 IMIN
CS 3
U1
10 GNDFAN602VDD 5
FMAX
7
NC VS 6
2
C4
R6
R7
R8
D2
R9
NA
C9
R10
CY
R12
C6
Q2
R13
R14
11 GATE
DRAIN 6
22 GND U2 SOURCE 5
FAN6240M6X
33 VDD
VIN 4
Figure 1. Typical Application
Vo (+)
C7
R15
R16
R17
R18 C8
R19
GATE
Internal Block Diagram
DRAIN
SR_COND
Adaptive Dead
Time Control
Turn-on
Trigger
Blanking
+
VTH_ARM -
VTH_ON
-
210mV
+
TARM
Slope
Detection
SOURCE
SR_COND
VTH_OFF
+
10mV
-
Turn-off
Trigger
Blanking
VIN
VDD
+
LDO
-
VIN_ON / VIN_OFF
D Q SET
Turn-on
Q CLR
Turn-off
GATE
SR_COND
Minimum Turn
On Time
SKIP
GND
Figure 2. Function Block Diagram
© 2016 Fairchild Semiconductor Corporation
FAN6240 • Rev. 1.0
2
www.fairchildsemi.com




 FAN6240M6X
Marking Information
_AXX- T- T-
Axx: ACD: FAN6240M6X
TT: Wafer Lot Code
: Year Code
_ _ _: Week Code
Pin Configuration
Figure 3. Top Mark
GATE
DRAIN
GND
SOURCE
VDD
VIN
Figure 4. Pin Configuration
Pin Definitions
Pin #
1
2
3
4
5
6
Name
GATE
GND
VDD
VIN
SOURCE
DRAIN
Description
Gate drive output
Ground
Internal regulator 5 V output and gate drive power supply rail. Bypass with 1uF capacitor to
GND.
LDO input, supports up to 30 V operation. An integrated 5 V LDO generates the internal VDD
power supply rail for the low-voltage control circuitry.
Synchronous rectifier source sense input.
Synchronous rectifier drain sense input.
© 2016 Fairchild Semiconductor Corporation
FAN6240 • Rev. 1.0
3
www.fairchildsemi.com




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