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LT1500 数据表(PDF) 2 Page - Linear Technology

部件名 LT1500
功能描述  Adaptive-Frequency Current Mode Switching Regulators
PDF  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1500 数据表(HTML) 2 Page - Linear Technology

  LT1500 Datasheet HTML 1Page - Linear Technology LT1500 Datasheet HTML 2Page - Linear Technology LT1500 Datasheet HTML 3Page - Linear Technology LT1500 Datasheet HTML 4Page - Linear Technology LT1500 Datasheet HTML 5Page - Linear Technology LT1500 Datasheet HTML 6Page - Linear Technology LT1500 Datasheet HTML 7Page - Linear Technology LT1500 Datasheet HTML 8Page - Linear Technology LT1500 Datasheet HTML 9Page - Linear Technology Next Button
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LT1500/LT1501
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ........................................................ 20V
Switch Voltage (SW)................................................ 30V
Shutdown Voltage (SHDN) ...................................... 20V
ISENSE Voltage.......................................................... 20V
FB Voltage ................................................................. 5V
LBI Voltage ................................................................ 5V
LBO Voltage ............................................................. 15V
Operating Ambient Temperature Range
Commercial ............................................. 0
°C to 70°C
Industrial ............................................ – 40
°C to 85°C
Operating Junction Temperature Range
Commercial ........................................... 0
°C to 100°C
Industrial .......................................... – 40
°C to 100°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
PACKAGE/ORDER INFORMATION
TJMAX = 100°C, θJA = 100°C/ W
ORDER PART NUMBER
ORDER PART NUMBER
ORDER PART NUMBER
LT1500CS-3/5
LT1500IS-3/5
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS T
J = 25°C, VIN = 2.3V unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Feedback/Output Pin Reference Voltage
LT1500/LT1501, TJ = 25°C
1.240
1.265
1.290
V
All Conditions (Note 6)
q
1.235
1.295
V
LT1500-3/5, Select Pin Open
3.230
3.300
3.370
V
All Conditions (Note 6)
q
3.200
3.400
V
LT1500-3/5, Select Pin Grounded
4.900
5.000
5.100
V
All Conditions (Note 6)
q
4.85
5.15
V
Reference Voltage Line Regulation
VIN = 2.3V to 15V
q
0.02
0.06
%/V
Feedback Pin Bias Current
q
30
100
nA
TJMAX = 100°C, θJA = 100°C/ W
LT1500CS
LT1500IS
TJMAX = 100°C, θJA = 120°C/ W
1
2
3
4
8
7
6
5
TOP VIEW
FB/OUT
LBI
LBO
SW
SHDN
VIN
ISENSE
GND
S8 PACKAGE
8-LEAD PLASTIC SO
LT1501CS8
LT1501CS8-3.3
LT1501CS8-5
LT1501IS8
LT1501IS8-3.3
LT1501IS8-5
TOP VIEW
S PACKAGE
14-LEAD PLASTIC SO
1
2
3
4
5
6
7
14
13
12
11
10
9
8
SHDN
VC
VIN
ISENSE
NC
GND
PGND
FB
NFB
SS
LBI
LBO
SYNC
SW
TOP VIEW
S PACKAGE
14-LEAD PLASTIC SO
1
2
3
4
5
6
7
14
13
12
11
10
9
8
SHDN
VC
VIN
ISENSE
NC
GND
PGND
VOUT (3.3V/5V)
SELECT
SS
LBI
LBO
SYNC
SW



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