收藏本站
RDR-91 12 V, 1 A, Universal Input Supply
8 Transformer Design Spreadsheet
11-Feb-13
ACDC_TinySwitch-III
_011906; Rev.0.27;
Copyright Power
Integrations 2006
INPUT
INFO
OUTPUT
UNIT
ACDC_TinySwitch-III_011906_Rev0-27.xls;
TinySwitch-III Continuous/Discontinuous
Flyback Transformer Design Spreadsheet
ENTER APPLICATION VARIABLES
RD-91 - 12 V, 1 A, Universal Input
VACMIN
VACMAX
fL
VO
IO
85
265
50
12.00
1.00
Volts
Volts
Hertz
Volts
Amps
Minimum AC Input Voltage
Maximum AC Input Voltage
AC Mains Frequency
Output Voltage (at continuous power)
Power Supply Output Current (corresponding to
peak power)
Power
n
Z
tC
0.71
0.50
3.00
12
Watts Continuous Output Power
Efficiency Estimate at output terminals. Unter 0.7 if
no better data available
Z Factor. Ratio of secondary side losses to the total
losses in the power supply. Use 0.5 if no better data
available
mSeconds Bridge Rectifier Conduction Time Estimate
CIN
28.80
28.8
uFarads Input Capacitance
ENTER TinySwitch-III VARIABLES
TinySwitch-III
Chosen Device
TNY278
TNY278
TNY278
User defined TinySwitch-III
Enter "RED" for reduced current limit (sealed
Chose Configuration
STD
Standard
Current Limit
adapters), "STD" for standard current limt or "INC"
for increased current limit (peak or higher power
applications)
ILIMITMIN
ILIMITTYP
ILIMITMAX
fSmin
I^2fmin
0.512
0.550
0.588
124000
35.937
Amps
Amps
Amps
Hertz
A^2kHz
Minimum Current Limit
Maximum Current Limit
Minimum Device Switching Frequency
I^2f (product of current limit squared and frequency
is trimmed for tighter tolerance)
VOR
VDS
VD
KP
KP_TRANSIENT
101.00
101
10
0.7
0.60
0.38
Volts
Volts
Volts
Reflected Output Voltage (VOR < 135 V
Recommended)
TinySwitch-III on-state Drain to Source Voltage
Output Winding Diode Forward Voltage Drop
Ripple to Peak Current Ratio (KP < 6)
Transient Ripple to Peak Current Ratio. Ensure
KP_TRANSIENT > 0.25
ENTER BIAS WINDING VARIABLES
VB
NB
VZOV
22.00
12.13
28.00
Volts
Volts
Bias Winding Voltage
Bias Winding Number of Turns
Over Voltage Protection zener diode.
UVLO VARIABLES
V_UV_TARGET
V_UV_ACTUAL
RUV_IDEAL
RUV_ACTUAL
92
92.00
92.20
3.59
3.60
Volts
Volts
Mohms
Mohms
Target under-voltage threshold, above which the
power supply with start
Typical start-up voltage based on standard value of
RUV_ACTUAL
Calculated value for UV Lockout resistor
Closest standard value of resistor to RUV_IDEAL
ENTER TRANSFORMER CORE/CONSTRUCTION VARIABLES
Core Type
Core
EE25
EE25
EE25
P/N:
User-Selected transformer core
PC40EE25-Z
Bobbin
AE
LE
AL
BW
EE25_BOBBIN
0.404
7.34
1420
10.2
P/N:
cm^2
cm
nH/T^2
mm
EE25_BOBBIN
Core Effective Cross Sectional Area
Core Effective Path Length
Ungapped Core Effective Inductance
Bobbin Physical Winding Width
M
1.00
1
mm
Safety Margin Width (Half the Primary to Secondary
Creepage Distance)
Power Integrations
Tel: +1 408 414 9200 Fax: +1 408 414 9201
www.powerint.com
Page 14 of 35
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
DAL3W3P300G30LF CONN DSUB PLUG 3W3 T/H GOLD
DAL3W3S300G30LF CONN DSUB RCPT 3W3 T/H GOLD
DAL7W2P300G30LF CONN DSUB PLUG 7W2 T/H GOLD
DAL7W2P300G40LF CONN DSUB PLUG 7W2 T/H GOLD
DAL7W2P500G30LF CONN DSUB PLUG 7W2 T/H RA GOLD
DAL7W2S500G30LF CONN DSUB RCPT 7W2 T/H R/A GOLD
DAL7W2SA00LF DSUB POWER STB 7W2 SOCK
DAM15P300 CONN DSUB PLUG 15POS STR SOLDER
相关代理商/技术参数
DAK-93 功能描述:电源管理IC开发工具 ACDC peak mode power Supply PeakSwitch RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
DAK95-16S 制造商:Amphenol Corporation 功能描述:DAK95-16S - Bulk
DAK95-20 制造商:Daniels Manufacturing Corporation (DMC) 功能描述:TOOL INS TWEEZER MS27495A20 , ROHS COMPLIANT: YES
DAK95-20B 制造商:Daniels Manufacturing Corporation (DMC) 功能描述:INSTALLING TWEEZER M81969/8-05
DAK95-20S 制造商:Amphenol Corporation 功能描述:DAK95-20S - Bulk
DAK95-22 制造商:Daniels Manufacturing Corporation (DMC) 功能描述:TOOL INS TWEEZER MS27495A22
DAK95-22M 制造商:Daniels Manufacturing Corporation (DMC) 功能描述:TOOL INS TWEEZER MS27495A22M
DAK95-22MB 制造商:Amphenol Corporation 功能描述:DAK95-22MB - Bulk 制造商:Daniels Manufacturing Corporation (DMC) 功能描述:INSTALLING TWEEZERS, Tool Body Material:- , RoHS Compliant: Yes