參數(shù)資料
型號(hào): LT1248
廠商: Linear Technology Corporation
英文描述: Octal D-Type Transparent Latches with 3-state Outputs 20-SO 0 to 70
中文描述: 功率因數(shù)控制器
文件頁數(shù): 5/12頁
文件大?。?/td> 154K
代理商: LT1248
5
LT1248
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
GTDR Rise and Fall Time
M
OUT
VOLTAGE (V)
M
O
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
1248 G15
2.4
1.2
0
–1.2
–2.4
T
J
= 125
°
C
T
J
= 25
°
C
T
J
= –55
°
C
Start-Up Supply Current vs
Supply Voltage
SUPPLY VOLTAGE (V)
0
S
μ
A
550
500
450
400
350
300
250
200
150
100
50
0
1248 G09
20
125
°
C
–55
°
C
25
°
C
4
8
12
16
2
6
10
14
18
Frequency vs R
SET
and C
SET
Shutdown Mode Supply Current
and Reference Voltage
Synchronization and Shutdown
Thresholds at EN/SYNC Pin
C
SET
CAPACITANCE (pF)
200
F
500
450
400
350
300
250
200
150
100
50
0
1248 G10
1400
2200
600
1000
1800
R
SET
= 10k
R
SET
= 15k
R
SET
= 20k
R
SET
= 30k
C
SET
CAPACITANCE (pF)
200
M
1.00
0.99
0.98
0.97
0.96
0.95
0.94
0.93
0.92
0.91
0.90
1248 G11
1400
2200
600
1000
1800
R
SET
= 10k
R
SET
= 15k
R
SET
= 20k
R
SET
= 30k
EN/SYNC VOLTAGE (V)
0
E
μ
A
–44
–40
–36
–32
–28
–24
–20
–16
–12
–8
–4
0
1248 G13
10
5
T
J
= 125
°
C
1
2
3
4
6
7
8
9
T
J
= 25
°
C
T
J
= –55
°
C
SHUTDOWN
THRESHOLD
SYNCHRONIZATION
THRESHOLD
SS VOLTAGE (V)
0
S
μ
A
–22
–20
–18
–16
–14
–12
–10
–8
–6
–4
–2
0
1248 G14
T
J
= 25
°
C
T
J
= 125
°
C
T
J
= –55
°
C
4
8
M
OUT
Pin Characteristics
SS Pin Characteristics
GTDR Maximum Duty Cycle vs
R
SET
and C
SET
LOAD CAPACITANCE (nF)
0
T
400
300
200
100
0
10
20
30
40
1248 G08
50
RISE TIME
NOTE: GTDR SLEWS
BETWEEN 1V AND 16V
FALL TIME
SUPPLY VOLTAGE (V)
0
S
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1248 G12
32
16
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
R
EN/SYNC
1.8V
REFERENCE VOLTAGE
T
J
125
°
C
T
J
= 125
°
C
–55
°
C
T
J
25
°
C
SUPPLY CURRENT
相關(guān)PDF資料
PDF描述
LT1248C Octal D-Type Transparent Latches with 3-state Outputs 20-SO 0 to 70
LT1248CN Octal D-Type Transparent Latches with 3-state Outputs 20-SO 0 to 70
LT1248CS Replaced by SN74ALS374A : Octal D-Type Edge Triggered Flip-Flops with 3-State Outputs 20-SSOP 0 to 70
LT1248I Power Factor Controller
LT1248IN Octal D-Type Edge Triggered Flip-Flops with 3-State Outputs 20-SSOP 0 to 70
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1248C 制造商:LINER 制造商全稱:Linear Technology 功能描述:Power Factor Controller
LT1248CN 功能描述:IC PFC CTRLR AVERAGE CURR 16DIP RoHS:否 類別: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:568-5348-6
LT1248CN#PBF 功能描述:IC PFC CTRLR AVERAGE CURR 16DIP RoHS:是 類別: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:568-5348-6
LT1248CN#PBF 制造商:Linear Technology 功能描述:IC PFC CURRENT MODE 25V DI 制造商:Linear Technology 功能描述:IC, PFC, CURRENT MODE, 25V, DIP-16
LT1248CS 功能描述:IC PFC CTRLR AVERAGE CURR 16SOIC RoHS:否 類別: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:568-5348-6