參數(shù)資料
型號： LT1184F
廠商： Linear Technology Corporation
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
中文描述： 射頻放大器
文件頁數(shù)： 4/24頁
文件大小： 330K
代理商： LT1184F
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
LT1185CQ Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
LT1185IQ Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
LT1185C Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
LT1185CT 9-Bit Odd/Even Parity Generators/Checkers 14-SOIC 0 to 70
LT1185I 9-Bit Odd/Even Parity Generators/Checkers 14-SOIC 0 to 70
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1184FCS 功能描述:IC SW REG CCFL CONTRAST 16-SOIC 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
LT1184FCS#PBF 功能描述:IC SW REG CCFL CONTRAST 16-SOIC 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)
LT1184FCS#PBF 制造商:Linear Technology 功能描述:DC-DC CONVERTER BUCK 200KHZ 制造商:Linear Technology 功能描述:DC-DC CONVERTER, BUCK, 200KHZ, 1A, SOIC-
LT1184FCS#TR 功能描述:IC REG SWITCH DUAL CCFL 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
LT1184FCS#TRPBF 功能描述:IC SW REG CCFL CONTRAST 16-SOIC 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
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

*
*
*