參數(shù)資料
型號： LT1182CS
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述： 1.25 A FLUORESCENT LIGHT CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO16
封裝： PLASTIC, SO-16
文件頁數(shù)： 4/24頁
文件大?。?/td> 409K
代理商： LT1182CS
4
LT1182/LT1183/LT1184/LT1184F
ELECTRICAL CHARACTERISTICS
T
A
= 25
°
C, V
IN
= 5V, BAT = Royer = Bulb = 12V, I
CCFL
= SHUTDOWN = CCFL V
SW
= Open, DIO = GND, CCFL V
C
= 0.5V,
(LT1182/LT1183) LCD V
C
= 0.5V, LCD V
SW
= Open, (LT1182) FBN = FBP = GND, (LT1183) FB = GND,
(LT1183/LT1184/LT1184F) REF = Open, unless otherwise specified.
SYMBOL
PARAMETER
V
REF
– I
CCFL
Summing Voltage
CONDITIONS
Measured on LT1183
MIN
0.760
0.725
0.740
0.705
1.224
1.214
TYP
0.795
0.795
0.775
0.775
1.244
1.244
0.01
MAX
0.830
0.865
0.810
0.845
1.264
1.274
0.03
UNITS
V
V
V
V
V
V
G
V
REF
– I
CCFL
Summing Voltage
Measured on LT1184/LT1184F
G
REF1
LCD FBP/FB Reference Voltage
LT1182: Measured at FBP Pin, FBN = 1V, LCD V
C
= 0.8V
LT1183: Measured at FB Pin, LCD V
C
= 0.8V
3V
≤
V
IN
≤
30V, LCD V
C
= 0.8V
LT1182: FBP = REF1, FBN = 1V, LCD V
C
= 0.8V
LT1183: FB = REF1, LCD V
C
= 0.8V
LT1182: Measured at FBN Pin, FBP = 0V, LCD V
C
= 0.8V
LT1183: Measured at FB Pin, LCD V
C
= 0.8V
3V
≤
V
IN
≤
30V, LCD V
C
= 0.8V
LT1182: FBN = Offset Voltage, FBP = 0V, LCD V
C
= 0.8V
LT1183: FB = Offset Voltage, LCD V
C
= 0.8V
LT1182:
I
VC
=
±
25
μ
A, FBN = 1V
LT1183:
I
VC
=
±
25
μ
A
LT1182:
I
VC
=
±
25
μ
A, FBP = GND
LT1183:
I
VC
=
±
25
μ
A
LT1182: FBP = FBN = 1V or 0.25V,
LT1183: FB = 1V or 0.25V
LT1182: FBP = FBN = 1.5V or –0.25V,
LT1183: FB = 1.5V or –0.25V
LT1182: FBP = FBN = 1.5V, LT1183: FB = 1.5V
LT1182: FBP = FBN = 1V, LT1183: FB = 1V
LT1182: FBP = FBN = 1V, LT1183: FB = 1V, V
SW
DC = 0%
Duty Cycle = 50%
Duty Cycle = 75% (Note 3)
LCD I
SW
= 0.5A
LCD I
SW
= 0.5A
G
REF1 Voltage Line Regulation
FBP/FB Input Bias Current
G
%/V
G
0.35
–12
–12
0.01
1.0
–4
–1
0.2
μ
A
mV
mV
%/V
LCD FBN/FB Offset Voltage
–20
–27
G
Offset Voltage Line Regulation
FBN/FB Input Bias Current
G
G
–3.0
650
500
550
400
50
– 1.0
900
900
800
800
100
μ
A
g
m
FBP/FB to LCD V
C
Transconductance
1150
1300
1050
1200
175
μ
mhos
μ
mhos
μ
mhos
μ
mhos
G
FBN/FB to LCD V
C
Transconductance
G
LCD Error Amplifier Source Current
G
μ
A
LCD Error Amplifier Sink Current
G
35
100
175
μ
A
LCD V
C
Low Clamp Voltage
LCD V
C
High Clamp Voltage
LCD V
C
Switching Threshold
LCD Switch Current Limit
0.01
2.0
0.95
1.00
0.85
1.0
20
0.3
2.4
1.3
1.5
1.3
1.65
30
V
V
V
A
A
1.7
0.6
0.625
0.400
I
LIM2
G
G
V
SAT2
I
Q
I
SW2
LCD Switch On-Resistance
Supply Current Increase During
LCD Switch On-Time
Switch Minimum On-Time
G
mA/A
Measured at CCFL V
SW
and LCD V
SW
0.45
μ
s
The
G
denotes specifications which apply over the specified operating
temperature range.
Note 1:
T
J
is calculated from the ambient temperature T
A
and power
dissipation P
D
according to the following formula:
LT1182CS/LT1183CS/LT1184CS/LT1184FCS: T
J
= T
A
+ (P
D
×
100
°
C/W)
Note 2:
Does not include switch leakage.
Note 3:
For duty cycles (DC) between 50% and 75%, minimum
guaranteed switch current is given by I
LIM
= 1.4(1.393 – DC) for the CCFL
regulator and I
LIM
= 0.7(1.393 – DC ) for the LCD contrast regulator due to
internal slope compensation circuitry.
相關(guān)PDF資料
PDF描述
LT1184FCS RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1183CS RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1184CS RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1182 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
LT1183 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1182CS#PBF 功能描述:IC SW REG CCFL/LCD CONTRST16SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數(shù):2 輸出電壓:最低可調(diào)至 1.2V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:30-TSSOP 包裝:帶卷 (TR)
LT1182CS#PBF 制造商:Linear Technology 功能描述:IC CONTRAST REG SMD SOIC16 1182
LT1182CS#TR 功能描述:IC REG SW DUAL CCFL/LCD 16SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-QFN（7x7） 包裝:管件
LT1182CS#TRPBF 功能描述:IC SW REG CCFL/LCD CONTRST16SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-QFN（7x7） 包裝:管件
LT1182CSPBF 制造商:Linear Technology 功能描述:CCFL/LCD Contrast Sw. Regulator SOIC16
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*