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SiFirst

SF6772S Datasheet Preview

SF6772S Datasheet

Power MOSFET

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FEATURES
Meet EPS Level 6
Built-in 650V Power MOSFET
Proprietary super-QR/PSRTM (Quasi-
Resonant & Primary Side Regulation) Control
for High Efficiency and Low EMI
Proprietary Cable Drop Compensation
Less than 70mW Standby Power
±5% CC and CV Precision
Multi-Mode Control
Cycle-by-Cycle Current Limiting
Leading Edge Blanking (LEB)
Soft Start
Output Over Voltage Protection
VDD UVLO, OVP & Clamp
APPLICATIONS
Battery chargers for cellular phones, cordless
phones, PDA, digital cameras, etc
Replaces linear transformer and RCC SMPS
AC/DC LED lighting
GENERAL DESCRIPTION
SF6772S is a high performance, highly integrated QR
(Quasi Resonant Mode) and Primary Side Regulation
(PSR) power switch for offline small power converter
applications.
SF6772S has proprietary super-QR/PSRTM control
for high efficiency and low EMI, which can ensure
system to meet EPS Level 6 energy standard. The IC
also has built-in cable drop compensation function to
achieve excellent CV performance.
SF6772S uses Multi Mode Control to improve
efficiency and reliability and to decrease audio noise
energy @ light loadings.
SF6772S integrates functions and protections of FB
Short Protection, Under Voltage Lockout (UVLO),
VDD Over Voltage Protection (VDD OVP), Output
Over Voltage Protection (Output OVP), Soft Start,
Cycle-by-cycle Current Limiting (OCP), Pin Floating
Protection, VDD Clamping.
SF6772S is available in SOP8 package.
TYPICAL APPLICATION
AC IN
SF6772S
1 VDD GND 8
2 FB GND 7
3 CC
4 CS
Drain 6
Drain 5
DC Out
Pin Configuration
©SiFirst Technology
- 1 - Confidential
SiFirst_DS_6772S_V1.1




SiFirst

SF6772S Datasheet Preview

SF6772S Datasheet

Power MOSFET

No Preview Available !

VDD
FB
CC
CS
18
SOP8
27
36
45
GND
GND
Drain
Drain
Ordering Information
Part Number
Top Mark
SF6772SSG
SF6772SSG
SF6772SSGT
SF6772SSG
SOP8
SOP8
Package
Green
Green
Tape & Reel
Yes
Output Power Table(1)
Part Number
SF6772S
230VAC ± 15%(2)
Adapter(3)
7.5W
85-265VAC
Adapter(3)
5.5W
Note 1. The Max. output power is limited by junction temperature
Note 2. 230VAC or 100/115VAC with doublers
Note 3. Typical continuous power in a non-ventilated enclosed adapter with sufficient drain pattern as a heat
sink at 50 oC ambient.
Marking Information
S F 6772S S G
Y WW
YWW: Year&Week code
Pin Description
Pin Num
1
2
3
4
5-6
7-8
Pin Name I/O Description
VDD
P IC power supply pin.
FB I System feedback pin. This control input regulates both the output voltage
in CV mode and output current in CC mode based on the flyback voltage
of the auxiliary winding.
CC O Connect a capacitor between this pin and GND for CC regulation.
CS I Current sense pin.
Drain P High voltage power MOSFET drain connection.
GND
P Ground
©SiFirst Technology
- 2 - Confidential
SiFirst_DS_6772S_V1.1


Part Number SF6772S
Description Power MOSFET
Maker SiFirst
PDF Download

SF6772S Datasheet PDF






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