L6590
FULLY INTEGRATED POWER SUPPLY
s
s
s
s
s
s
s
s
s
WIDE-RANGE MAINS OPERATION
"ON-CHIP" 700V V(BR)DSS POWER MOS
65 kHz INTERNAL OSCILLATOR
2.5V 卤 2% INTERNAL REFERENCE
STANDBY MODE FOR HIGH EFFICIENCY AT
LIGHT LOAD
OVERCURRENT AND LATCHED
OVERVOLTAGE PROTECTION
NON DISSIPATIVE BUILT-IN START-UP CIRCUIT
THERMAL SHUTDOWN WITH HYSTERESIS
BROWNOUT PROTECTION (SMD PACKAGE
ONLY)
MINIDIP
SO16W
ORDERING NUMBERS:
L6590N
L6590D
s
- HOME APPLIANCES/LIGHTING
LINE CARD, DC-DC CONVERTERS
MAIN APPLICATIONS
s
WALL PLUG POWER SUPPLIES UP TO 15 W
s
AC-DC ADAPTERS
s
AUXILIARY POWER SUPPLIES FOR:
- CRT AND LCD MONITOR (BLUE ANGEL)
- DESKTOP PC/SERVER
- FAX, TV, LASER PRINTER
TYPICAL APPLICATION CIRCUIT
DESCRIPTION
The L6590 is a monolithic switching regulator de-
signed in BCD OFF-LINE technology, able to operate
with wide range input voltage and to deliver up to
15W output power. The internal power switch is a lat-
eral power MOSFET with a typical R
DS(on)
of 13鈩?/div>
and a V
(BR)DSS
of 700V minimum.
AC line
88 to 264 Vac
Pout
up to 15W
AC line
88 to 264 Vac
Pout
up to 15W
DRAIN
DRAIN
1
1
L6590
3
Vcc
L6590
3
6, 7, 8
5
COMP
Vcc
6, 7, 8
GND
COMP
4
5
VFB
4
GND
VFB
Primary Feedback
Secondary Feedback
October 2000
1/23
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