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PDF SDC4566 Data sheet ( Hoja de datos )
| Número de pieza | SDC4566 | |
| Descripción | Current Mode PWM Power Switch | |
| Fabricantes | SDC | |
| Logotipo |  |
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Current Mode PWM Controller
PRIMARY DATASHEET
Datasheet
SDC4566
General Description
Features
SDC4566 is a highly integrated current mode PWM control
TIC optimized for high performance, low standby power
and cost effective offline flyback converter applications in
Nsub 60W range.
EThe internal slope compensation improves system large
Msignal stability and reduces the possible subharmonic
oscillation at high PWM duty cycle output. Leading-edge
Ublanking on current sense(CS) input removes the signal
Cglitch due to snubber circuit diode reverse recovery and
thus greatly reduces the external component count and
Osystem cost in the design.
DSDC4566 offers complete protection coverage with
Lautomatic self-recovery feature including cycle-by-cycle
current limiting (OCP), over load protection (OLP), VCC
IAover voltage clamp and under voltage lockout (UVLO). The
Tgate drive output is clamped to maximum 14V to protect
CONFIDENthe power MOSFET.
Frequency shuffling technology for improved emc
performance
Audio noise free operation
Extended burst mode control for improved efficiency
and minimum standby power design
Internal synchronized slope compensation
Low VCC startup current and low operating current
Leading edge blanking on current sense input
Good protection coverage with auto self-recovery
（UVLO/OVP/ OCP/OLP/OTP）
FB/CS open loop protection
Secondary Rectifier Short Protection
Package: SOT-23-6
Applications
Battery charger
Power adapter
Set-top box power supplies
SDC
SOT-23-6
Figure 1. Package Type
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
1/14
www.sdc-semi.com
1 page  
Current Mode PWM Controller
PRIMARY DATASHEET
Datasheet
SDC4566
Absolute Maximum Ratings (NOTE: Stresses greater than those listed under Absolute Maximum Ratings may cause
permanent damage to the device.)
Parameter
TVCC DC supply voltage
NVCC clamp voltage
VCC DC clamp current
EVFB input voltage
MSENSE input voltage
VPRO input voltage
UOperating junction temperature
CStorage temperature
OLatch-up test per JEDEC 78
ESD,HBM model per Mil-Std-883H,Method 3015
DESD,MM model per JEDEC EIA/JESD22-A115
Symbol
V CC
V CC_CLAMP
I CLAMP
V FB
V SENSE
V PRO
TJ
T STG
-
HBM
MM
Value
-0.3~30
32
10
-0.3~7
-0.3~7
-0.3~7
150
-55~150
200
2000
200
LTable 2. Absolute Maximum Ratings
TIARecommended Operating Conditions
Parameter
NVCC DC supply voltage
EOscillation frequency
Operating Temperature Range
Symbol
V CC
f OSC
T OP
Min
10
60
-40
Max
30
70
85
CONFIDTable 3. Recommended Operating Conditions
Unit
V
V
mA
V
V
V
°C
°C
mA
V
V
Unit
V
kHz
°C
SDC
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
5/14
www.sdc-semi.com
5 Page 
Current Mode PWM Controller
PRIMARY DATASHEET
Datasheet
SDC4566
特性曲线(接上)
1.68
T1.68
N1.67
E1.67
1.66
M1.66
CU1.65
-40 -20 0 20 40 60 80 100 120 140
Temperature(°C)
CONFIDENTIAL DOFigure 10. ICC-OP(mA) vs. Temperature(℃)
SDC
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
11/14
www.sdc-semi.com
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet SDC4566.PDF ] | |
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