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(yè)數(shù)： 2/12頁(yè)
文件大小： 154K
代理商： LT1248
2
LT1248
A
(Note 1)
Supply Voltage ....................................................... 27V
GTDR Current Continuous ..................................... 0.5A
GTDR Output Energy(Per Cycle).............................. 5
μ
J
I
AC
, R
SET
, PK
LIM
Input Current............................. 20mA
V
SENSE
, EN/SYNC, OVP Input Voltage................... V
MAX
I
SENSE
, M
OUT
Input Current..................................
±
5mA
Operating Junction Temperature Range
LT1248C................................................0
°
C to 100
°
C
LT1248I........................................... –40
°
C to 125
°
C
Thermal Resistance (Junction-to-Ambient)
N Package .................................................. 100
°
C/W
S Package................................................... 120
°
C/W
Storage Temperature Range..................–65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
U
PACKAGE/ORDER U
ELECTRICAL C
ture range, otherwise specifications are at T
A
= 25
°
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 = 7.5V, no load on any outputs, unless otherwise noted.
PARAMETER
CONDITIONS
Overall
Supply Current (V
CC
in Undervoltage Lockout)
V
CC
= Lockout Voltage – 0.2V
Supply Current (Inactive)
EN/SYNC = 0V, V
CC
≤
V
MAX
Supply Current, On
11.5V
≤
V
CC
≤
V
MAX
, CA
OUT
= 1V
V
CC
Turn-On Threshold (Undervoltage Lockout)
V
CC
Turn-Off Threshold
EN/SYNC Threshold, Rising
EN/SYNC Threshold Hysteresis
EN/SYNC Input Current
EN/SYNC = 0V
3V
≤
EN/SYNC
≤
7V
Voltage Amplifier
Voltage Amp Offset Voltage
VA
OUT
= 3.5V
Input Bias Current
V
SENSE
= 0V to 7V
Voltage Gain
Voltage Amp Unity-Gain Bandwidth
Voltage Amp Output High (Internally Clamped)
Voltage Amp Output Low
Voltage Amp Short-Circuit Current
VA
OUT
= 0V
SS Current
SS = 2.5V
Current Amplifier
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
HARA TERISTICS
ORDER PART
NUMBER
The
G
denotes specifications which apply over the full operating tempera-
LT1248CN
LT1248IN
LT1248CS
LT1248IS
T
JMAX
= 125
°
C,
θ
JA
= 100
°
C/W (N)
T
JMAX
= 125
°
C,
θ
JA
= 120
°
C/W (S)
Consult factory for Military grade parts.
1
2
3
4
5
6
7
8
TOP VIEW
N PACKAGE
16-LEAD PDIP
S PACKAGE
16-LEAD NARROW PLASTIC SO
16
15
14
13
12
11
10
9
GND
PK
LIM
CA
OUT
I
SENSE
M
OUT
I
AC
VA
OUT
OVP
GTDR
V
CC
C
SET
SS
R
SET
V
SENSE
EN/SYNC
V
REF
MIN
TYP
MAX
UNITS
G
0.25
0.5
8.5
16.5
10.5
2.6
0.40
–1
– 25
0.45
1.5
12.0
17.5
11.5
2.85
mA
mA
mA
G
G
G
15.5
9.5
2.2
V
V
V
V
G
G
G
–5
–50
5
μ
A
μ
A
50
G
–8
8
mV
nA
dB
MHz
G
–25
100
3
13.3
1.1
14
12
–250
70
G
11.3
V
V
G
2
G
5
5
30
30
mA
μ
A
G
G
±
1
–25
110
3
8.5
1.1
±
4
–250
mV
nA
dB
MHz
G
80
G
7.2
V
V
G
2
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(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(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(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
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