Green energy-saving PWM current-mode flyback power switch
CR522X-21/23/24/28/29
PWM
z 4ms
z ,
z EMI z SENCE
z z :50KHz z z
z (UVLO) z (OLP) z (OTP) z (OVP) z ,
...
Description
CR522X-21/23/24/28/29
PWM
z 4ms
z ,
z EMI z SENCE
z z :50KHz z z
z (UVLO) z (OLP) z (OTP) z (OVP) z ,
z z 3000V ESD z BiCMOS z 600V MOSFET z DIP-8L、SOP-8L
z AC/DC z DVD/DVB
z z ADSL
CR522X MOSFET PWM , 18W ,、、。
,CR522X ,、(OTP)、VDD (UVLO)、(OVP) 、(OCP)、(OLP), FM 。 EMI 。
() V3.6
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CR522X
PWM
DIP-8L
SOP-8L
GND
FB
VDDG SENSE VDD
Drain
。 。PWM SENSE 。 。
。
。 MOSFET ,, 。
() V3.6
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CR522X
PWM
VDRAIN
VDD VDDG IVDD VFB VSense
ESD
TL
TSTG TJ
VDD FB
SENSE
ESD-
ESD-
20 DIP-8L 20 SOP-8L
CR5223 CR5221 CR5224 CR5228 CR5229
SOP-8L DIP-8L DIP-8L DIP-8L DIP-8L
230VAC ±15%
1 7W 9W 15W 18W 24W
-0.3V~VBR(DS)
30 30 10 -0.3 to 7V -0.3 to 7V 3000 250 260 260 -55 to + 150 -20 to + 150
V V V mA V V V V ℃ ℃ ℃ ℃
85-265VAC 1 6W 8W 12W 15W 18W
1. Deain , 50℃。 。
() V3.6
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CR522X
Ta=25°C (), VDD = 16V
PWM
VDD
Istartup
VDD
IVDD (Operation)
UVLO(ON )
UVLO(OFF )
VDD VDD
VthOVP(ON) VDD
VDD_Clamp VDD
VFB_Open FB
IFB_Short FB
VTH_0D
FB
VTH_PL FB
TD_PL
ZFB_IN FB
TSoft
T_blanking
ZSENSE_IN TD_OC
SENSE
VTH_OC
Fosc
△f_Temp △f_VDD
VDD
D_max
F_Burst Burst Mode
MOSFET
BVdss
MOSFET
VDD=14.1V, VDD
VFB=3V
CS=0V, FB=3V VDD ,
Gate IDD=10mA
FB ,
Gate FB=3.3V
FB=3.3V, CS=0V
VGS=0V, IDS=250uA
8.5 14.2 27.0 5.4
0.76 45 70 600
3 20 uA
2 mA 9 9.5 V 14.8 16 V
28.5 30.0 V ...
Similar Datasheet