參數(shù)資料
型號: 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): 11/12頁
文件大小: 154K
代理商: LT1248
11
LT1248
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
300W, 382V Preregulator
Kool M
μ
is a registered trademark of Magnetics, Inc.
+
+
I
M
=
I
A
2
I
B
200
μ
A
2
VA
OUT
7.5V
7.9V
12
μ
A
5V
EA
+
V
REF
+
+
+
2.2V
32k
I
A
I
B
7
μ
A
I
M
7.5V
V
REF
+
V
CC
16V TO 10V
2.6V/2.2V
+
0.7V
+
OSC
R
R
S
Q
C
SET
R
SET
6
11
10
7
9
5
4
2
1
15
16
12
14
SS
OVP
I
AC
V
SENSE
EN/SYNC
M
OUT
I
SENSE
3
CA
OUT
V
CC
RUN
CA
RUN
16V
GND
GTDR
1000pF
SYNC
1N5819
4.7nF
1M
20k
0.47
μ
F
0.047
μ
F
330k
0.1
μ
F
1nF
8
0.01
μ
F
13
100pF
PK
LIM
20k
1%
R
REF
4k
V
OUT
180
μ
F
T
90V
TO
270V
EMI
FILTER
+
4k
20k
R
S
0.2
50k
750
μ
H*
1M
1%
MURH860
V
CC
= 18V**
+
56
μ
F
35V
10
15k
+
1248 TA01
IRF840
ONE SHOT
200ns
6A
M1
1. COILTRONICS CTX02-12236-1 (TYPE 52 CORE)
AIR MOVEMENT NEEDED AT POWER LEVEL GREATER THAN 250W.
2. COILTRONICS CTX02-12295 (MAGNETICS Kool M
μ
77930 CORE)
SEE START-UP AND SUPPLY VOLTAGE SECTION FOR V
CC
GENERATOR.
THIS SCHOTTKY DIODE IS TO CLAMP GTDR WHEN MOS SWITCH
TURNS OFF. PARASITIC INDUCTANCE AND GATE CAPACITANCE MAY
TURN ON CHIP SUBSTRATE DIODE AND CAUSE ERRATIC OPERATIONS
IF GTDR IS NOT CLAMPED.
*
**
+
U
A
O
PPLICATI
TYPICAL
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:- 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:- 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:- 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