參數(shù)資料
型號(hào)： LT1508I
廠商： Linear Technology Corporation
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： Power Factor and PWM Controller(Voltage Mode)
中文描述： 功率因數(shù)和PWM控制器（電壓模式）
文件頁(yè)數(shù)： 3/16頁(yè)
文件大小： 337K
代理商： LT1508I
3
LT1508
ELECTRICAL C
Maximum operating voltage (V
MAX
) = 25V, V
CC
= 18V, R
SET
= 15k to GND, C
SET
= 1nF to GND, I
AC
= 100
μ
A, I
SENSE
= 0V, CA
OUT
= 3.5V,
VA
OUT
= 5V, OVP = V
REF
. No load on any outputs unless otherwise noted.
HARA TERISTICS
PARAMETER
Current Amplifier (PFC Section)
Current Amp Offset Voltage
I
SENSE
Bias Current
Current Amp Voltage Gain
Current Amp Unity-Gain Bandwidth
Current Amp Output High
Current Amp Output Low
Current Amp Short-Circuit Current
Input Range, I
SENSE
, M
OUT
(Linear Operation)
Reference
Reference Output Voltage
V
REF
Load Regulation
V
REF
Line Regulation
V
REF
Short-Circuit Current
V
REF
Worst Case
Current Limit
PK
LIM
Offset Voltage
PK
LIM
Input Current
PK
LIM
to GTDR Propagation Delay
Multiplier
Multiplier Output Current
Multiplier Output Current Offset
Multiplier Maximum Output Current
Multiplier Gain Constant (Note 1)
I
AC
Input Resistance
Oscillator
Oscillator Frequency
CONDITIONS
MIN
TYP
MAX
UNITS
G
±
1
–25
110
3
8.5
1.1
8
±
4
–250
mV
nA
dB
MHz
G
80
G
7.2
V
V
G
2
CA
OUT
= 0V
G
3
17
1
mA
G
–0.3
V
I
REF
= 0mA, T
A
= 25
°
C
–5mA < I
REF
< 0mA
11.5V < V
CC
< V
MAX
V
REF
= 0V
Load, Line, Temperature
7.39
7.50
5
5
28
7.5
7.60
V
mV
mV
mA
G
–20
12
7.32
20
50
7.68
G
G
V
G
–25
25
mV
μ
A
ns
PK
LIM
= –0.1V
PK
LIM
Falling from 50mV to –50mV
G
–50
400
–100
I
AC
= 100
μ
A, R
SET
= 15k
R
AC
= 1M from I
AC
to GND
I
AC
= 450
μ
A, R
SET
= 15k, VA
OUT
= 7V, M
OUT
= 0V
35
μ
A
μ
A
μ
A
V
–2
k
G
–0.05
–260
0.035
25
–0.5
–235
G
–286
I
AC
from 50
μ
A to 1mA
15
35
R
SET
= 15k, C
SET
= 1000pF
R
SET
= 15k, C
SET
= 1500pF
G
G
85
58
4.35
1.15
100
68
4.7
1.3
115
78
5.0
1.55
kHz
kHz
C
SET
Ramp Peak-to-Peak Amplitude
C
SET
Ramp Valley Voltage
Overvoltage Comparator (PFC Section)
Comparator Trip Voltage Ratio (V
TRIP
/V
REF
)
Hysteresis
OVP Bias Current
OVP Propagation Delay
Gate Drivers (GTDR1 and GTDR2)
Max Output Voltage
Output High
Output Low (Device Unpowered)
Output Low (Device Active)
V
V
G
1.04
1.05
0.35
0.2
100
1.06
V
OVP = 7.5V
G
1
μ
A
ns
0mA Load, 18V < V
CC
–200mA Load, 11.5V
≤
V
CC
≤
15V
V
CC
= 0V, 50mA Load (Sinking)
200mA Load (Sinking)
10mA Load
10nF from GTDR to GND
1nF from GTDR to GND
G
12
15
17.5
V
V
V
V
V
A
G
V
CC
– 3.0
G
0.9
0.5
0.2
2
25
96
1.5
1
0.4
G
G
Peak Output Current
Rise and Fall Time
Max Duty Cycle (PFC)
Max Duty Cycle (PWM) (Note 2)
ns
%
%
90
44
50
相關(guān)PDF資料
PDF描述
LT1508IN Power Factor and PWM Controller(Voltage Mode)
LT1508ISW Power Factor and PWM Controller(Voltage Mode)
LT1611 Isolated Flyback Switching Regulator with 9V Output
LT1611CS5 Isolated Flyback Switching Regulator with 9V Output
LT1613 1.4MHz, Single Cell DC/DC Converter in 5-Lead SOT-23
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1508IN 制造商:LINER 制造商全稱(chēng):Linear Technology 功能描述:Power Factor and PWM Controller(Voltage Mode)
LT1508ISW 功能描述:IC PWM/POWER FACTOR CNTRLR20SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - PFC（功率因數(shù)修正） 系列:- 產(chǎn)品培訓(xùn)模塊:GreenChip Synchronous Rectification Control Family of ICs 標(biāo)準(zhǔn)包裝:1 系列:- 模式:間歇導(dǎo)電（DCM） 頻率 - 開(kāi)關(guān):- 電流 - 啟動(dòng):- 電源電壓:8.6 V ~ 38 V 工作溫度:-20°C ~ 150°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SO 包裝:Digi-Reel® 其它名稱(chēng):568-5348-6
LT1509 制造商:LINER 制造商全稱(chēng):Linear Technology 功能描述:Power Factor and PWM Controller
LT15090 制造商:Cooper Crouse-Hinds 功能描述: 制造商:CROUSE-HINDS/COOPER 功能描述:
LT1509CN 功能描述:IC PFC CTRLR AVERAGE CURR 20DIP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - PFC（功率因數(shù)修正） 系列:- 產(chǎn)品培訓(xùn)模塊:GreenChip Synchronous Rectification Control Family of ICs 標(biāo)準(zhǔn)包裝:1 系列:- 模式:間歇導(dǎo)電（DCM） 頻率 - 開(kāi)關(guān):- 電流 - 啟動(dòng):- 電源電壓:8.6 V ~ 38 V 工作溫度:-20°C ~ 150°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SO 包裝:Digi-Reel® 其它名稱(chēng):568-5348-6
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

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

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

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*