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參數(shù)資料
| 型號(hào)： | L6585DTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.6 A POWER FACTOR AND FLUORESCENT LIGHT CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | LEAD FREE, SOP-20 |
| 文件頁數(shù)： | 19/25頁 |
| 文件大?。?/td> | 1478K |
| 代理商： | L6585DTR |
L6585D
Device description
3/25
1
Device description
Designed in High-voltage BCD Off-line technology, the L6585D embeds a PFC controller, a
half-bridge controller, the relevant drivers and the logic necessary to build an electronic
ballast.
The advanced and precise logic circuitry, combined with the programmability of the End-of-
Life windows comparator threshold, makes the L6585D compliant with either "lamp-to-
ground" or "block capacitor-to ground" configurations.
Another outstanding feature is the possibility of controlling and limiting the lamp voltage
during the ignition phase.
The pre-heating and ignition durations are independently settable as well as the half-bridge
switching frequencies for each operating phases (pre-heating, ignition and normal mode).
Other features (half-bridge over-current with frequency increase, PFC over-voltage) allow
building a reliable and flexible solution with a reduced part count.
The PFC section achieves current mode control operating in Transition Mode; the highly
linear multiplier includes a special circuit, able to reduce AC input current distortion, that
allows wide-range-mains operation with an extremely low THD, even over a large load
range.
The PFC output voltage is controlled by means of a voltage-mode error amplifier and a
precise internal voltage reference.
The driver of the PFC is able to provide 300mA (source) and 600mA (sink) and the drivers of
the half-bridge provide 290mA source and 480mA sink.
Figure 2.
Typical system block diagram
MULT
PFCS
PFG
ZCD
INV
COMP
GND
OSC
RF
EOI
Tch
CTR
EOLP
Vcc
BOOT
HSD
LSD
OUT
HBCS
CBLOCK
CIGN
RRUN
RPRE
COSC
CBOOT
CBULK
HV BUS
LAMP
AC MAINS
CRES
Charge
pump
CIN
CD
RD
R1
R2
R3
RSNSPF
R4
R5
R6
CCOMP
R7
R8
RSNSHB
L
B
L
PFC
12
3
45
EOL-R
6
7
8
9
10
11
12
13
14
15
17
20
19
16
18
RP
L6585D
MULT
PFCS
PFG
ZCD
INV
COMP
GND
OSC
RF
EOI
Tch
CTR
EOLP
Vcc
BOOT
HSD
LSD
OUT
HBCS
CBLOCK
CIGN
RRUN
RPRE
COSC
CBOOT
CBULK
HV BUS
LAMP
AC MAINS
CRES
Charge
pump
CIN
CD
RD
R1
R2
R3
RSNSPF
R4
R5
R6
CCOMP
R7
R8
RSNSHB
L
B
L
PFC
12
3
45
EOL-R
6
7
8
9
10
11
12
13
14
15
17
20
19
16
18
RP
L6585D
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6590 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:FULLY INTEGRATED POWER SUPPLY FIPS |
| L6590A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FULLY INTEGRATED POWER SUPPLY |
| L6590AN | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 700 Volt Monolithic RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6590D | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 700 Volt Monolithic RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6590D013TR | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 700 Volt Monolithic RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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