STK760-216-E Datasheet, PDF (9/11 Pages) Sanyo Semicon Device – Single-phase rectification Active Converter Hybrid IC

Application Circuit
VAC
SW
DB1
Ri
Ci
2.2μF/
630V×2
L1 _C
0.45mH/40A
D1
NR
STK760-216-E
FRD2
(D4)
Rs
IGBT
(TR1) (TR2)
VCC
IGBT
driver
(D2)
(D3)
FRD1
VIS
VCC=15V
VCC
C1
C2
VCOMP
VBOP
VTH1
VH1
VTH2
SGND
Input peak current
protection
RC averaging
Drive circuit OVP/Enable
Enable mode ^detector
Discharge Vcomp _{S Q}
R
UVLO Block
Biss & internal reference
OVP(VFB)
Vm _Σ
Vcomp start
Enable
Discharge
Vref
Voltage
Error Amp
Comparator
VM
0
Max Duty
Cycle
Integrated
Ramp Oscillator
VthBOP Brown out Comparator
P
VO
Cs
N
VOVP
Co
GND
Output voltage
detector
VFB
VCAO
VO control
buffer
Vctl
C4
VONF
5V
SGND
PFC-ON : VONF=5V to VCC
PFC-OFF : VONF=0V
Recommended Condition
Parameter
AC Voltage
Output voltage
Over-voltage detection voltage
Control IC supply voltage
Inductor
Input film capacitor
Output film capacitor
Output electrolytic capacitor
Symbol
VAC
VO
VOV
VCC
L1
Ci
Cs
Co
50/60Hz
VCC-GND
Conditions
Ratings
170 to 264
VAC×√2+(10 to 15)≤450
VOUT+(10 to 20)
14.5 to 17.0
0.45
4.4≤Ci
4.4≤Cs
3600≤Co
unit
Vrms
V
V
V
mH
μF
μF
μF
Output Voltage Control
Output voltage control signal Vctl sets referring to the Vctl-VO characteristic of the figure below.
Vctl -- VO
420
400
380
360
340
320
300
280
260
240
1
1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8
Output voltage control signal input, Vctl -- V
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