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參數(shù)資料
| 型號： | L6566BH |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | ROHS COMPLIANT, SOP-16 |
| 文件頁數(shù)： | 35/48頁 |
| 文件大小： | 768K |
| 代理商： | L6566BH |
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L65
66BH
A
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/48
It is worth reminding that “Auto-restart” means that the device will work intermittently as long as the condition that is activating the
function is not removed; “Latched” means that the device is stopped as long as the unit is connected to the input power source and
the unit must be disconnected for some time from the source in order for the device (and the unit) to restart. Optionally, a restart
can be forced by pulling the voltage of pin 16 (AC_OK) below 0.45 V.
2nd OCP
Transformer saturation or
shorted secondary diode
protection
VCS > VCSDIS
for 2-3
consecutive
switching cycles
Latched
5
0.33
0
OTP
Externally set-able
overtemperature protection
VDIS>VOTP
Latched
13.5
0.33
0
Internal thermal shutdown
Tj > 160
oC
Auto
restart
(5)
50.33
0
Brownout
Mains undervoltage
protection
VAC_OK < Vth
Auto
restart
5
0.33
0
unchanged
Reference
drift
VREF drift protection
VREF > Vov
Latched
13.5
0.33
0
Shutdown1
Gate driver disable
VFF > Voff
Auto
restart
5
2.5
5
unchanged
1
unchanged unchanged
Shutdown2
Shutdown by VCOMP low
VCOMP <
VCOMPOFF
Latched
10
0.33
0
ADAPTIVE
UVLO
Shutdown by Vcc going
below Vccoff (lowering of
Vccoff threshold at light
load)
Vcc < 9.4V (VCOMP
> VCOMPL)
Auto
restart
5 V
0.18mA
0
Vcc < 7.2V (VCOMP
> VCOMPO)
1.
Use One external diode from VFF (#15) to AC_OK (#16), cathode to AC_OK
2.
Use one external diode from SS (#14) to VREF (#10), cathode to VREF
3.
If Css and the Vcc capacitor are such that Vcc falls below UVLO before latch tripping (Figure 21 on page 32)
4.
If Css and the Vcc capacitor are such that the latch is tripped before Vcc falls below UVLO (Figure 21 on page 32)
5.
When TJ < 110
oC
6.
Discharged to zero by Vcc going below UVLO
Table 6.
L6566BH protections (continued)
Protection
Description
Caused by
IC
behavior
Vcc restart
(V)
IC Iq
(mA)
VREF
(V)
SS
VCOMP
(V)
OSC
(V)
FMOD
VFF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6566BHTR | 功能描述:電流型 PWM 控制器 MULTIMODE CONTROLLER SMPS 8V 3 mA RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| L6566BTR | 功能描述:電流型 PWM 控制器 MultiMode Controller for SMPS RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| L6566BTR-CUT TAPE | 制造商:ST 功能描述:L6566B Series 23 V 4.6 mA SMPS Multi-Mode Controller Surface Mount - SOIC-16N |
| L6567 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH VOLTAGE DRIVER FOR CFL |
| L6567D | 制造商:STMicroelectronics 功能描述:CFL DRVR 18V 14SOP - Rail/Tube |
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