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临界模式控制 功率因数校正控制器ic
bd7692fj
主要规格
特性：
controller type
pfc
channel
1
zero detect
resistor
w/w input iec61000-3-2 class-c support
no
vin1 (typ.)[v]
2.5
reference voltage accuracy (%)
1.5
brown out
no
vcc discharge
no
ovp system
2 way
fet
-
ovp pin over voltage protection (l/a)
auto restart
vs pin over voltage protection (l/a)
auto restart
vin1(max.)[v]
26
vs dynamic ovp (l/a)
auto restart
vs short protection (l/a)
auto restart
br pin
no
is short protection (l/a)
auto restart
startup vout overshoot countermeasure function
yes
sw frequency (max.)[khz]
450
light load mode
no
en
no
thermal shut-down
yes
under voltage lock out
yes
operating temperature (min.)[°c]
-40
operating temperature (max.)[°c]
105
package size [mm]
4.9x6 (t=1.65)
特点：
- boundary conduction mode
- low power consumption
- vccuvlo
- resister detection for zcd
- switching loss reduction, noise reduction by zcd
- dynamic and static ovp by the vs pin
- high accuracy over current detection (±4 %)
- error amplifier input short protection
- stable mosfet gate drive by the clamper
- protection function by the ovp pin
- over voltage reduce by soft start
- safe design by the is-gnd short timer operation
reference design / application evaluation kit
-
- evaluation board - bd7692fj-evk-001
pfc bcm (boundary current mode) method output 200 w 400 v (bd7692fj)
| user guide | schematic | part list | layout (pdf) |
|---|---|---|---|
