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參數(shù)資料
| 型號(hào)： | L6566BH |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 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(yè)數(shù)： | 33/48頁(yè) |
| 文件大?。?/td> | 768K |
| 代理商： | L6566BH |
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Ap
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ion
inf
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5.14
Summary of L6566BH power management functions
The device is provided with a number of power management functions: multiple operating mode upon loading conditions and
protection functions. To help the designer familiarize with these functions, in the following tables, all themes are summarized with
their respective activation mechanism and the resulting status of the most important pins. This can be useful not only for a correct
use of the IC but also for diagnostic purposes: especially at prototyping/debugging stage, it is quite common to bump into unwanted
activation of some function, and these tables can be used as a sort of quick troubleshooting guide.
Table 5.
L6566BH light load management features
Feature
Description
Caused by
IC
behavior
Vcc_restart
(V)
Consump.
(Iqdis,mA)
VREF
(V)
SS
VCOMP
(V)
OSC
(V)
FMOD
Burst
mode
Controlled ON-OFF
operation for low power
consumption at light load
VCOMP <
VCOMPBM - Hys
Pulse skipping
operation
N.A.
1.34 mA
5
unchanged
VCOMPBM-HYS to
VCOMPBM
0/1
0
Table 6.
L6566BH protections
Protection
Description
Caused by
IC
behavior
Vcc restart
(V)
IC Iq
(mA)
VREF
(V)
SS
VCOMP
(V)
OSC
(V)
FMOD
VFF
OVP
Output overvoltage
protection
VZCD>VZCDth for 4
consecutive
switching cycles
Auto
restart(1)
52.2
5(6)
unchanged(6)
0
unchanged
VFF > VFFlatch
Latched
13.5
0.33
0
OLP
Output overload protection
VCOMP =VCOMPHi
VSS > VSSDIS
Auto
restart(2)
51.46
5(6)
VSS <VSSLAT
(3)
VCOMPHi
(6)
0
unchanged
VCOMP =VCOMPHi
VSS > VSSLAT
Latched
13.5
0.33
0
Short circuit
protection
Output short circuit
protection
VCOMP =VCOMPHi
VSS > VSSDIS
(4)
Auto
restart
51.46
0
VSS <VSSLAT
(6)
VCOMPHi
(5)
0
unchanged
VCOMP =VCOMPHi
VSS > VSSLAT
(6)
Latched
13.5
0.33
0
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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(kāi)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(kāi)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(chēng):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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