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PDF SDC4565 Data sheet ( Hoja de datos )
| Número de pieza | SDC4565 | |
| Descripción | Current Mode PWM Power Switch | |
| Fabricantes | SDC | |
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Current Mode PWM Controller
Datasheet
SDC4565
General Description
Features
SDC4565 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.
DSDC4565 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 12V 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
External programmable PWM switching
Internal synchronized slope compensation
Low VDD startup current and low operating current
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.
1/11
www.sdc-semi.com
1 page  
Current Mode PWM Controller
Datasheet
SDC4565
Absolute Maximum Ratings (NOTE: Stresses greater than those listed under Absolute Maximum Ratings may cause
permanent damage to the device.)
Parameter
TVDD DC supply voltage
NVDD clamp voltage
VDD DC clamp current
EVFB input voltage
MSENSE input voltage
VRI input voltage
UOperating junction temperature TJ
CStorage temperature TSTG
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
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
NVDD DC supply voltage
EOscillation frequency
Operating Temperature Range
Symbol
V DD
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.
5/11
www.sdc-semi.com
5 Page 
Current Mode PWM Controller
Datasheet
SDC4565
OCUMENTShaoxing Devechip Microelectronics Co., Ltd.
L Dhttp://www.sdc-semi.com/
FIDENTIAIMPORTANT NOTICE
NInformation in this document is provided solely in connection with Shaoxing Devechip Microelectronics Co., Ltd. (abbr. SDC) products.
SDC reserves the right to make changes, corrections, modifications or improvements, to this document, and the products and services
Odescribed herein at anytime, without notice. SDC does not assume any responsibility for use of any its products for any particular
Cpurpose, nor does SDC assume any liability arising out of the application or use of any its products or circuits. SDC does not convey
Cany license under its patent rights or other rights nor the rights of others.
© 2013 Devechip Microelectronics - All rights reserved
DContact us:
SHeadquarters of Shaoxing
Shenzhen Branch
Address: Tian Mu Road, No13,
Address: 22A, Shangbu building, Nan Yuan Road, No.68,
Shaoxing city, Zhejiang province, China
Futian District, Shenzhen city, Guangdong province, China
Zip code: 312000
Zip code: 518031
Tel: (86) 0575-8861 6750
Tel: (86) 0755-8366 1155
Fax: (86) 0575-8862 2882
Fax: (86) 0755-8301 8528
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
11/11
www.sdc-semi.com
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet SDC4565.PDF ] | |
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