SIP11206 データシートの表示（PDF） - Vishay Semiconductors
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SIP11206
Vishay Semiconductors
SIP11206 Datasheet PDF : 19 Pages
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SiP11206
Vishay Siliconix
TECHNICAL DESCRIPTION
SiP11206 is a switching controller on the primary side of a
half-bridge intermediate bus converter. With 100 V depletion
mode MOSFET in the chip, the SiP11206 is capable of being
powered directly from the high voltage bus to VCC through an
external PNP pass transistor, or may be powered by an
external supply directly to the VCC pin.
Without the use of an external pass transistor, failure of the
converter output to power VCC above the VREG level will
SIP11206 BLOCK DIAGRAM
result in over temperature protection activating hiccup
operation whenever the pre-regulator power dissipation
becomes excessive. The external high- and low-side
N-Channel power MOSFETs are driven by a built in driver
with ± 1.6 A peak current capability.
SiP11206 is available in the MLP44-16 PowerPAK® package
and TSSOP-16 PowerPAK® package and is specified over
the ambient temperature range of - 40 °C to + 85 °C
COMP
VINDET
VREF
AGND
SS
CS
VIN
VCC
VREG
Pre Reg UVLO
+ VUV
+ VSD
-
-
BG
VCC
ISS
IDSS
4.8 V
Over Current protection
EN
0.13 V
Le
EN
VREF
EN
Level
Shift
+
-
0.85 VSS
-
+
250 mV
SS Comp
+
VUV
Driver
Control
Hi-side driver
EN
Le
Low-side driver
D MAX
EN
PWM Comp
Ramp
OSC
EN
VREF
IBIAS
OTP
IDSS
ISS
IBIAS
BST
DH
LX
DL
PGND
0.200 V
ROSC RDB COSC
www.vishay.com
2
Document Number: 69232
S-81795-Rev. C, 04-Aug-08
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