參數(shù)資料
型號(hào): LT1176CS-5
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 1.2 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PDSO20
封裝: SOIC-20
文件頁(yè)數(shù): 2/4頁(yè)
文件大?。?/td> 178K
代理商: LT1176CS-5
2
LT1176/LT1176-5
A
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
Input Voltage .......................................................... 38V
Switch Voltage With Respect to Input Voltage........ 50V
Switch Voltage With Respect to Ground Pin
(V
SW
Negative) (Note 6) ......................................... 20V
Feedback Pin Voltage.......................................–2V, 10V
Shutdown Pin Voltage (Not to Exceed V
IN
)............. 35V
Status Pin Voltage
(Current Must Be Limited to 5mA When Status Pin
Switches “ON”) ................................................... 30V
I
LIM
Pin Voltage (Forced)...................................... 5.5V
Maximum Operating Ambient Temperature Range
LT1176C/LT1176C-5 .............................. 0
°
C to 70
°
C
Maximum Operating Junction Temperature Range
LT1176C/LT1176C-5 ............................ 0
°
C to 125
°
C
Storage Temperature Range ................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec) 300
°
C
U
PACKAGE/ORDER U
ORDER PART
NUMBER
1
2
3
4
8
7
6
5
TOP VIEW
V
IN
I
LIM
GND
FB/SENSE
V
SW
V
C
STATUS
SHUTDOWN
N8 PACKAGE
8-LEAD PLASTIC DIP
T
J MAX
= 125
°
C,
θ
JA
= 90
°
C/W*
T
JMAX
= 125
°
C,
θ
JA
= 50
°
C/W*
ORDER PART
NUMBER
LT1176CN8
LT1176CN8-5
ELECTRICAL C
HARA TERISTICS
T
J
= 25
°
C, V
IN
= 25V, unless otherwise noted
PARAMETER
Switch “ON” Voltage (Note 1)
CONDITIONS
I
SW
= 0.2A
I
SW
= 1A
V
IN
= 25V, V
SW
= 0
V
IN
= V
MAX
, V
SW
= 0 (Note 7)
V
FB
= 2.5V, V
IN
35V
V
SHDN
= 0.1V (Device Shutdown) (Note 8)
Normal Mode
Startup Mode (Note 3)
I
LIM
Open
R
LIM
= 10k (Note 5)
R
LIM
= 7k (Note 5)
MIN
TYP
MAX
1.1
1.4
150
250
10
300
8.0
4.8
2.2
UNITS
G
G
V
V
Switch “OFF” Leakage
μ
A
μ
A
mA
μ
A
Supply Current (Note 2)
G
G
7.5
140.0
7.3
3.5
1.7
1.2
0.8
90
100
Minimum Supply Voltage
G
G
V
V
A
A
A
%
Switch Current Limit (Note 4)
G
1.2
Maximum Duty Cycle
Switching Frequency
G
85
90
85
110
120
kHz
kHz
kHz
kHz
%/V
V/V
μ
mho
G
V
FB
= 0V Through 2k (Note 4) (LT1176)
V
SENSE
= 0V (Note 4) (LT1176-5)
8V
V
IN
V
MAX
(Note 7)
1V
V
C
4V
20
20
0.03
2000
5000
140.0
1.0
Switching Frequency Line Regulation
Error Amplifier Voltage Gain (Note 9)
Error Amplifier Transconductance (Note 9)
Error Amplifier Source and Sink Current
G
0.1
3700
100.0
0.7
8000
225.0
1.6
Source (V
FB
= 2V or V
SENSE
= 4V)
Sink (V
FB
= 2.5V or V
SENSE
= 5.5V)
μ
A
mA
*These thermal resistance numbers are for typical mounting technique. Lower thermal resistance
can be obtained with large copper lands, thermal glues or heatsinks.
1
2
3
4
5
6
7
8
9
10
TOP VIEW
S PACKAGE
20-LEAD PLASTIC SOL
20
19
18
17
16
15
14
13
12
11
V
IN
NC
I
LIM
GND
GND
GND
GND
NC
FB/SENSE
NC
V
SW
NC
V
C
GND
GND
GND
GND
STATUS
SHUTDOWN
NC
LT1176CS
LT1176CS-5
相關(guān)PDF資料
PDF描述
LT1176CN8 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1176-5 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1176CN8-5 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1176CS RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1176 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
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