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LT1534CS Datenblatt(PDF) 2 Page - Linear Technology

Teilenummer LT1534CS
Bauteilbeschribung  Ultralow Noise 2A Switching Regulators
PDF  16 Pages
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Hersteller  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1534CS Datenblatt(HTML) 2 Page - Linear Technology

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LT1534/LT1534-1
ABSOLUTE MAXIMUM RATINGS
Input Voltage (VIN) .................................................. 30V
Switch Voltage (COL) .............................................. 35V
SHDN Pin Voltage .................................................... 30V
Feedback Pin Current (FB) .................................... 10mA
Negative Feedback Pin Current (NFB) ..................
±10mA
ELECTRICAL CHARACTERISTICS
PACKAGE/ORDER INFORMATION
ORDER PART
NUMBER
LT1534CS
LT1534IS
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
*DO NOT CONNECT
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
COL
*NC
SYNC
CT
RT
FB
NFB
PGND
COL
VIN
RVSL
RCSL
SHDN
VC
GND
Consult factory for Military grade parts.
TJMAX = 125°C, θJA = 100°C/ W
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply and Protection
VIN
Recommended Operating Range
q
2.7
23
V
VIN(MIN)
Minimum Input Voltage
q
2.55
2.7
V
IVIN
Operating Supply Current
2.7V
≤ VIN ≤ 23V, RVSL, RCSL, RT = 17k
q
12
30
mA
IVIN(OFF)
Shutdown Supply Current
2.7V
≤ VIN ≤ 23V, VSHDN = 0V
q
12
50
µA
2.7V
≤ VIN ≤ 23V, VSHDN = 0V
12
30
µA
VSHDN
Shutdown Threshold
2.7V
≤ VIN ≤ 23V
q
0.4
0.8
1.2
V
ISHDN
Shutdown Input Current
–2
µA
Error Amplifiers
VREF
Reference Voltage
Measured at Feedback Pin
1.235
1.250
1.265
V
q
1.215
1.250
1.275
V
IFB
Feedback Input Current
VFB = VREF
q
250
900
nA
FBREG
Reference Voltage Line Regulation
2.7V
≤ VIN ≤ 23V
q
0.003
0.03
%/V
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C, VIN = 5V, VC = 0.9V, VFB = VREF. COL, SHDN, NFB, all other pins open
unless otherwise noted.
(Note 1)
Operating Junction Temperature Range
LT1534C ................................................ 0
°C to 125°C
LT1534I ............................................ – 40
°C to 125°C
Maximum Junction Temperature .......................... 125
°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec.)................. 300
°C
ORDER PART
NUMBER
LT1534CS-1
LT1534IS-1
TJMAX = 125°C, θJA = 50°C/ W
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
**FOUR CORNER PINS ARE FUSED TO INTERNAL
DIE ATTACH PADDLE FOR HEAT SINKING.
CONNECT THESE FOUR PINS TO EXPANDED
PC LANDS FOR PROPER HEAT SINKING.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
GND
COL
PGND
SYNC
CT
RT
FB
GND
GND
VIN
RVSL
RCSL
SHDN
VC
NFB
GND



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