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I F ( V ( 1 ) > 1 . 0 8 & V ( 2 ) > 1 . 0 8 , { V O H } , { V O L } )
E V A L U E
R 11 0
C 11 0 p
000
3
1
2
PARAMETERS:
V O L = 0V O H = 2 . 5
I N +I N -
O U T +O U T -
E 2
I F ( V ( 1 ) > 1 . 0 8 , { V O L } , { V O H } )
E V A L U E
R 21 0
C 21 0 p
000
1 2
PARAMETERS:
V O L = 0V O H = 2 . 5
INV_ABM
端子 1 端子 2 端子 3
H H H
L H L
H L L
L L L
端子 1 端子 2
H L
L H
5
1.PWM ICのデバイスモデリング
4INPUT NOR GATE
4INPUT NOR GATE
RSQB Flip Flop
RSQB Flip Flop
SRQ Flip FlopSRQ Flip Flop
2INPUT COMPARATOR
2INPUT COMPARATOR
OVPOVP
Oscillator
Oscillator
REFERENCE
REFERENCE
DelayDelay
UVLOUVLO
Start Up
Start Up
3INPUT COMPARATOR
3INPUT COMPARATOR
2INPUT OR GATE
2INPUT OR GATE
Output DriveOutput Drive
HYSTERESIS COMPARATORHYSTERESIS
COMPARATOR
Current Mode PWM ControlLow Operating Current Max: 4m[A]UVLO:12[V]/8[V]Soft Start FunctionOver Voltage Protection 19[V]
Copyright (C) Marutsuelec 2016
R 1
1 0
R 21 0 0 M E G
R 31 0 0 M E G
00
R S Q B _ F l i p _ F l o p _ S
R S Q B _ F l i p _ F l o p _ R I N +I N -
O U T +O U T -
E 1
i f ( ( V ( R S Q B _ F l i p _ F l o p _ R ) > 4 & V ( R S Q B _ F l i p _ F l o p _ S ) < 1 ) , 5 , ( i f ( ( V ( R S Q B _ F l i p _ F l o p _ R ) < 1 & V ( R S Q B _ F l i p _ F l o p _ S ) > 4 ) , 0 , V ( R S Q B _ F l i p _ F l o p _ Q B ) ) ) )
E V A L U E
0
C 11 0 p
I C = 0
1 R S Q B _ F l i p _ F l o p _ Q B
R 41
0
RSQB Flip Flop
V 1
T D = 0
T F = 1 0 uP W = 1 0 nP E R = 2 0 . 0 1 u
V 1 = 0
T R = 1 0 u
V 2 = 5
V 2
T D = 1 0 u
T F = 1 0 uP W = 1 0 nP E R = 2 0 . 0 1 u
V 1 = 0
T R = 1 0 u
V 2 = 5
00
V
V
V
1.PWM ICのデバイスモデリング1.6 RSQB Flip Flop
等価回路図
入力 出力
S R QB
0 0 保持
0 1 1
1 0 0
1 1 禁止
真理値表
6Copyright(C) MARUTSU ELEC CO.
LTD
*$* PART NUMBER: RSQB FLIP-FLOP* COMPONENTS: RSQB FLIP-FLOP * MANUFACTURER: Bee Technologies* All Rights Reserved Copyright (C) Bee Technologies Inc. 2014.SUBCKT RSQB_FLIP_FLOP RSQB_FlipFlopR RSQB_FlipFlopS RSQB_FlipFlopQB E_GAIN1 RSQB_FlipFlopQB 0 VALUE {1 * V(N03648)}R_R1 N03584 N03648 10 R_R2 0 RSQB_FlipFlopR 100MEG R_R3 0 RSQB_FlipFlopS 100MEG E_E1 N03584 0 VALUE { if((V(RSQB_FlipFlopR)>4 &+ V(RSQB_FlipFlopS)<1),5,(if((V(RSQB_FlipFlopR)<1 &+ V(RSQB_FlipFlopS)>4),0,V(RSQB_FlipFlopQB)))) }C_C1 0 N03648 10p IC=0.ENDS RSQB_FLIP_FLOP*$