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LT1316CS8 数据表(PDF) 3 Page - Linear Technology

部件名 LT1316CS8
功能描述  Micropower DC/DC Converter with Programmable Peak Current Limit
PDF  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1316CS8 数据表(HTML) 3 Page - Linear Technology

  LT1316CS8 Datasheet HTML 1Page - Linear Technology LT1316CS8 Datasheet HTML 2Page - Linear Technology LT1316CS8 Datasheet HTML 3Page - Linear Technology LT1316CS8 Datasheet HTML 4Page - Linear Technology LT1316CS8 Datasheet HTML 5Page - Linear Technology LT1316CS8 Datasheet HTML 6Page - Linear Technology LT1316CS8 Datasheet HTML 7Page - Linear Technology LT1316CS8 Datasheet HTML 8Page - Linear Technology LT1316CS8 Datasheet HTML 9Page - Linear Technology Next Button
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LT1316
ELECTRICAL C
C
HARA TERISTICS
Commercial grade 0
°C to 70°C, Industrial grade –40°C to 85°C, VIN = 2V, VSHDN = VIN, TA = 25°C unless otherwise noted. (Notes 1, 2)
Load Transient Response
Burst Mode
TM Operation
VOUT
100mV/DIV
AC COUPLED
VOUT
100mV/DIV
AC COUPLED
VSW
5V/DIV
INDUCTOR
CURRENT
200mA/DIV
1316 G01
1316 G02
Burst Mode IS A TRADEMARK OF LINEAR TECHNOLOGY
CORPORATION.
Commercial grade 0
°C to 70°C, VIN = 2V, VSHDN = VIN, TA = 25°C unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Switch OFF Time
FB > 1V
1.4
2.0
2.6
µs
q
1.1
3.0
µs
FB < 1V
3.4
µs
Switch ON Time
Current Limit Not Asserted
4.4
6.3
8.2
µs
1V < FB < 1.2V
q
3.4
9.5
µs
Maximum Duty Cycle
Current Limit Not Asserted
74
76
90
%
1V < FB < 1.2V
q
73
90
%
Switch Saturation Voltage
ISW = 0.5A
q
0.30
0.4
V
ISW = 0.1A
q
0.06
0.15
V
Switch Leakage
Switch Off, VSW = 5V
q
0.1
5
µA
FB Comparator Trip Point
q
1.21
1.23
1.25
V
Peak Switch Current
RSET = 27.4k, TA = 25°C
90
100
110
mA
RSET = 27.4k, TA =0°C
90
100
115
mA
RSET = 27.4k, TA = 70°C
70
90
110
mA
RSET = 10K
q
250
290
340
mA
RSET = 121k
25
mA
FB Comparator Trip Point
q
1.205
1.23
1.255
V
Peak Switch Current
RSET = 27.4k,
q
70
100
125
mA
RSET = 10k
q
200
290
370
mA
Industrial grade – 40
°C to 85°C, VIN = 2V, VSHDN = VIN, TA = 25°C unless otherwise noted.
over the – 40
°C to 85°C temperature range by design or correlation, but
are not production tested.
Note 2: I grade device specifications are guaranteed over the – 40
°C to
85
°C temperature range.
TYPICAL PERFORMANCE CHARACTERISTICS
0mA
50mA
ILOAD
The q denotes specifications which apply over the specified temperature
range.
Note 1: C grade device specifications are guaranteed over the 0
°C to 70°C
temperature range. In addition, C grade device specifications are assured



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