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PDF SDC4563 Data sheet ( Hoja de datos )

Número de pieza SDC4563
Descripción Current Mode PWM Controller
Fabricantes SDC 
Logotipo SDC Logotipo



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No Preview Available ! SDC4563 Hoja de datos, Descripción, Manual

Current Mode PWM Controller
Datasheet
SDC4563
General Description
Features
SDC4563 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 30W 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.
DSDC4563 offers complete protection coverage with
Lautomatic self-recovery feature including cycle-by-cycle
current limiting (OCP), over load protection (OLP), VDD
IAover voltage clamp and under voltage lockout (UVLO). The
TGate-drive output is clamped to maximum 18V to protect
CONFIDENthe power MOSFET.
Frequency shuffling technology for improved EMI
performance
Audio noise free operation
Extended burst mode control for improved efficiency
and minimum standby power design
External programmable PWM switching
Internal synchronized slope compensation
Low VDD startup current and low operating current
(1.4mA)
Leading edge blanking on current sense input
Good protection coverage with auto self-recovery
(UVLO/OVP/OCP/OLP)
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.
1/13
www.sdc-semi.com

1 page




SDC4563 pdf
Current Mode PWM Controller
Datasheet
SDC4563
Absolute Maximum Ratings (NOTE: Stresses greater than those listed under Absolute Maximum Ratings may cause
permanent damage to the device.)
Parameter
TDC supply voltage
NVDD clamp voltage
VDD clamp current
EVFB input voltage
MSENSE input voltage
Input voltage to RI pin
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 DD
V DD_CLAMP
I CLAMP
V FB
V SENSE
V RI
TJ
T STG
-
HBM
MM
LTable 2. Absolute Maximum Ratings
TIARecommended Operating Conditions
Parameter
NDC supply voltage
ENormal oscillation frequency
Operating Temperature Range
Symbol
V DD
f OSC
T OP
Min
10
60
-40
CONFIDTable 3. Recommended Operating Conditions
Vaule
-0.3~30
34
10
-0.3~7
-0.3~7
-0.3~7
150
-55~150
200
2000
200
Unit
V
V
mA
V
V
V
°C
°C
mA
V
V
Max Unit
30 V
70 kHz
85 °C
SDC
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
5/13
www.sdc-semi.com

5 Page





SDC4563 arduino
Current Mode PWM Controller
Datasheet
SDC4563
Typical Performance Characteristics(Continued)
T66.5
66
N65.5
E65
M64.5
U64
C63.5
CONFIDENTIAL DO-20
5 30 Tem5p5(°C) 80 105
Figure 11. fOSC vs. Temp
130
SDC
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
11/13
www.sdc-semi.com

11 Page







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