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参数资料
| 型号： | RDK-91 |
| 厂商： | Power Integrations |
| 文件页数： | 14/35页 |
| 文件大小： | 0K |
| 描述： | KIT DESIGN REF TINYSWITCH-III |
| 标准包装： | 1 |
| 系列： | TinySwitch®-III |
| 主要目的： | AC/DC，主面 |
| 输出及类型： | 1，非隔离 |
| 功率 - 输出： | 12W |
| 输出电压： | 12V |
| 电流 - 输出： | 1A |
| 输入电压： | 85 ~ 265VAC |
| 稳压器拓扑结构： | 回扫 |
| 板类型： | 完全填充 |
| 已供物品： | 装有元件的板，裸板，样品 IC |
| 已用 IC / 零件： | TNY274，TNY275，TNY276，TNY277，TNY278，TNY279，TNY280 |
| 产品目录页面： | 1202 (CN2011-ZH PDF) |
| 相关产品： | 732-2250-ND - TRANS OFF LINE POWER PI TNY278 596-1115-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD 596-1114-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD 596-1113-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD 596-1112-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD 596-1111-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD 596-1109-6-ND - IC OFFLINE SWIT OVP OTP HV 8SMD 596-1260-5-ND - IC OFFLINE SWIT OVP OTP HV 8DIP 596-1259-5-ND - IC OFFLINE SWIT OVP OTP HV 8DIP 596-1258-5-ND - IC OFFLINE SWIT OVP OTP HV 8DIP 更多... |
| 其它名称： | 596-1194 |
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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
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