參數(shù)資料
型號(hào)： LT1105CS
英文描述： Current-Mode SMPS Controller
中文描述： 電流模式開(kāi)關(guān)電源控制器
文件頁(yè)數(shù)： 2/16頁(yè)
文件大?。?/td> 206K
代理商： LT1105CS
2
LT1107
1107fa
A
Supply Voltage (V
IN
)............................................... 36V
SW1 Pin Voltage (V
SW1
)......................................... 50V
SW2 Pin Voltage (V
SW2
)............................ –0.5V to V
IN
Feedback Pin Voltage (LT1107)................................ 5V
Sense Pin Voltage (LT1107-5, LT1107-12) ............ 36V
Maximum Power Dissipation............................ 500mW
Set Pin Voltage ...................................................... 5.5V
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
Maximum Switch Current...................................... 1.5A
Operating Temperature Range
LT1107C................................................0
°
C to 70
°
C
LT1107I............................................ –45
°
C to 85
°
C
LT1107M
(OBSOLETE) ...............
–55
°
C to 125
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ELECTRICAL C
temperature range, V
IN
= 3V, military or commercial version, T
A
= 25
°
C, unless otherwise noted.
HARA TERISTICS
The
G
denotes the specifications which apply over the full operating
SYMBOL
I
Q
PARAMETER
Quiescent Current
Quiescent Current, Step-Up Mode Configuration
CONDITIONS
Switch OFF
No Load
MIN
TYP
320
360
550
MAX
450
UNITS
μ
A
μ
A
μ
A
V
V
V
V
V
mV
mV
mV
kHz
%
μ
s
LT1107-5
LT1107-12
V
IN
Input Voltage
Step-Up Mode
Step-Down Mode
LT1107 (Note 2)
LT1107-5 (Note 3)
LT1107-12 (Note 3)
LT1107
LT1107-5
LT1107-12
G
G
2
12.6
30.0
1.3
5.25
12.60
12.5
50
120
77
76
12.7
Comparator Trip Point Voltage
Output Sense Voltage
G
1.2
4.75
11.40
1.25
5
12
8
32
75
63
70
11
V
OUT
G
G
Comparator Hysteresis
Output Hysteresis
G
G
G
f
OSC
Oscillator Frequency
Duty Cycle, Step-Up Mode
Switch ON Time, Step-Up Mode
50
64
8.8
Full Load
I
LIM
Tied to V
IN
t
ON
U
PACKAGE/ORDER U
ORDER PART
NUMBER
LT1107CN8
LT1107CN8-5
LT1107CN8-12
ORDER PART
NUMBER
LT1107CS8
LT1107CS8-5
LT1107CS8-12
LT1107IS8
T
JMAX
= 90
°
C,
θ
JA
= 130
°
C/W (N)
T
JMAX
= 90
°
C,
θ
JA
= 150
°
C/W
1107
11075
110712
1107I
S8 PART MARKING
1
2
3
4
8
7
6
5
TOP VIEW
I
LIM
V
IN
SW1
SW2
FB (SENSE)*
SET
AO
GND
N8 PACKAGE
8-LEAD PLASTIC DIP
* FIXED VERSIONS
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
*FIXED VERSIONS
I
LIM
V
IN
SW1
SW2
FB(SENSE)*
SET
AO
GND
Consult LTC Marketing for parts specified with wider operating temperature ranges.
(Note 1)
J8 PACKAGE
8-LEAD CERAMIC DIP
T
JMAX
= 150
°
C,
θ
JA
= 120
°
C/W (J)
LT1107MJ8
LT1107MJ8-5
LT1107MJ8-12
OBSOLETE PACKAGE
Consider the N8 Package for Alternate Source
相關(guān)PDF資料
PDF描述
LT1117IST-2.85 THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
LT1117IST-3.3 THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
LT1117IST-5 THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
LT1118CST8-2.5 Analog IC
LT1118CST8-2.85 Analog IC
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