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參數(shù)資料
| 型號： | ICE2B765P |
| 英文描述： | ?max. Pout=130W. fop=67kHz. Vbreak=650V. TO220? |
| 中文描述： | ？最大。噘\u003d 130瓦。紈褲子弟\u003d 67kHz。 Vbreak \u003d?650V。的TO220？ |
| 文件頁數(shù)： | 7/25頁 |
| 文件大小： | 642K |
| 代理商： | ICE2B765P |
Datasheet
Preliminary Data
7
August 2001
Preliminary Specification
CoolSET
-F2
ICE2A765P
ICE2B765P
Functional Description
3.1
Power Management
Figure 3
Power Management
The Undervoltage Lockout monitors the external
supply voltage V
. In case the IC is inactive the
current consumption is max. 55μA. When the SMPS is
plugged to the main line the current through R
Start-up
charges the external Capacitor C
VCC
. When V
VCC
exceeds the on-threshold V
CCon
=13.5V the internal bias
circuit and the voltage reference are switched on. After
it the internal bandgap generates a reference voltage
V
=6.5V to supply the internal circuits. To avoid
uncontrolled ringing at switch-on a hysteresis is
implemented which means that switch-off is only after
active mode when Vcc falls below 8.5V.
In case of switch-on a Power Up Reset is done by
reseting the internal error-latch in the protection unit.
When V
falls below the off-threshold V
=8.5V the
internal reference is switched off and the Power Down
reset let T1 discharging the soft-start capacitor C
at pin SoftS. Thus it is ensured that at every switch-on
the voltage ramp at pin SoftS starts at zero.
3.2
Improved Current Mode
Figure 4
Current Mode
Current Mode means that the duty cycle is controlled
by the slope of the primary current. This is done by
comparison the FB signal with the amplified current
sense signal.
Figure 5
Pulse Width Modulation
In case the amplified current sense signal exceeds the
FB signal the on-time T
of the driver is finished by
reseting the PWM-Latch (see Figure 5).
Internal
Bias
Voltage
Reference
6.5V
4.8V
Undervoltage
Lockout
13.5V
8.5V
Power-Down
Reset
Power-Up
Reset
Power Management
5.3V
4.0V
T1
PWM-Latch
R
S
Q
Q
Error-Latch
SoftS
6.5V
Error-Detection
VCC
Main Line (100V-380V)
Primary Winding
Soft-Start Comparator
C
VCC
R
Soft-Start
R
Start-Up
C
Soft-Start
x3.65
PWM OP
Improved
Current Mode
0.8V
PWM Comparator
PWM-Latch
Isense
FB
R
S
Q
Q
Driver
Soft-Start Comparator
t
FB
Amplified Current Signal
T
on
t
0.8V
Driver
3
Functional Description
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ICE2B765P2 | 功能描述:初級與次級側 PWM 控制器 Off-Line SMPS Currnt Mode CTRLR 650V RoHS:否 制造商:ON Semiconductor 輸出端數(shù)量:1 開關頻率:250 KHz 工作電源電壓:- 0.3 V to + 28 V 最大工作溫度:+ 85 C 最小工作溫度:- 5 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Reel |
| ICE2B765P2BKSA1 | 制造商:Infineon Technologies AG 功能描述:Current Mode PWM Controller 650V 3A 6-Pin(6+Tab) TO-220 制造商:Infineon Technologies AG 功能描述:AC/DC COOLSET - Rail/Tube 制造商:Infineon Technologies AG 功能描述:IC OFFLINE CTRLR SMPS CM TO220 |
| ICE2B765PCKSA1 | 制造商:Infineon Technologies AG 功能描述:Current Mode PWM Controller 650V 7A 6-Pin(6+Tab) TO-220 制造商:Infineon Technologies AG 功能描述:IC OFFLINE CTRLR SMPS CM TO220 |
| ICE2B765PIN | 制造商:Infineon Technologies AG 功能描述: |
| ICE2BS01 | 功能描述:初級與次級側 PWM 控制器 OFF-LINE SMPS CRRNT MODE CONTROLLER RoHS:否 制造商:ON Semiconductor 輸出端數(shù)量:1 開關頻率:250 KHz 工作電源電壓:- 0.3 V to + 28 V 最大工作溫度:+ 85 C 最小工作溫度:- 5 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Reel |
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