參數(shù)資料
型號(hào)： IR1110
廠商： International Rectifier
英文描述： SOFT START CONTROLLER IC
中文描述： 軟起動(dòng)控制器芯片
文件頁數(shù)： 4/32頁
文件大小： 227K
代理商： IR1110
4
IR1110
ADVANCE INFORMATION
www.irf.com
Special Mode of Operation
1. Dedicated single phase operation
For operation with a one-phase bridge, connect 1PHSEL (pin12) to V
SS
. Use the U and V inputs. Connect WIN (pin3) to
ground. Use the SCRU (pin47) and SCRV (pin46) outputs. Use R
PKD
= 3.0M
, R
WDU,
R
WDV = 1.0
M
,
CINTU,CINTV =
0.0068
υ
F 2%.
The following components can be omitted: R
W1
, R
W2
, R
WDW
, C
WDW
, R
INTW
, R
INTRW
, C
INTW
.
2. Operation without DC bus voltage regulation
For operation without bus voltage, ie. maximum DC bus voltage only, connect VBREF (pin8) to VSS. RERR and CERR can
be omitted. Connect DCREGC (pin10) to ground.
Recommended Operating Conditions cont.
All capacitors are rated 6.3V unless otherwise specified. All resistors are rated 1/16W unless otherwise specified. The
typical connection diagram is shown in figure 3. For proper operation the device should be used with the recommended
componens specified below.
Note 1)
Power rating is based on 550VAC rms maximum. For lower AC line voltage, power can be reduced proportionally. Vac
rms max = Maximum operating RMS value of AC line voltage. Use the nearest standard 1% value to calculated value. Resistor
must be rated for peak line voltage.
Note 2)
R
POS2
is not required if no series inductor(s) in place on positive DC bus. Resistor must be rated for peak line voltage.
Note 3)
V
DD
= 5.0V
±
2.5%. If 5.1V
±
2% zener diode sets V
DD
, use 866k 1%.
Note 4)
With these values LNLED is used for low line detection and is low at line voltage greater than approximately 57% of
Vacrms maximum voltage.
Note 5)
Use the nearest standard 1% value to calculated value.
Note 6) C
RAMP
and R
RAMP
sets the bus voltage ranp-up time. Minimum value of C
RAMP
is 0.68
μ
F, maximum value is
3.3
μ
F. See Operation Description - Ramp Circuit.
Symbol Definition
Typ.
Tolerance Units
Comments
C
UVLO
C
1PH
C
3PH
C
ERR
C
RAMP
C
PKLL
C
BDIP1
C
BDIP2
C
HOLD
C
PK
C
WDU
C
WDV
C
WDW
C
INTU
C
INTV
C
INTW
C
U,
C
V,
C
W
D
RAMP
Opto1,Opto2 Fault output opto couplers HCPL0701
Capacitor on UVLOCAP pin
.1
5%
Capacitor on 1PHCAP pin
.001
.022
5%
Capacitor on 3PHCAP pin
5%
10%
Capacitor on DCREGC pin
.22
Capacitor on CRAMP pin
1.0
10%
Capacitor on VPKLL pin
.1
10%
Capacitor on BDIP1
3300
5%
Capacitor on BDIP2
1000
5%
Capacitor on BDIPHLD
.33
10%
Capacitor on VPK
.33
10%
Capacitor on WDCAPU, WDCAPV, and
.027
2%
WDCAPW
Capacitor between CINTU/V/W and
.0082
2%
INTNU/V/W
Capacitor in SCR driver circuit .0047/25V
10%
Diode in series with RRAMP
IN4148
μ
F
μ
F
PF
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