参数资料
型号: LT1316IS8#PBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC REG BST FLYBK ADJ 0.5A 8SOIC
标准包装: 100
类型: 升压,反激式
输出类型: 可调式
输出数: 1
输出电压: 1.23 V ~ 30 V
输入电压: 1.5 V ~ 12 V
电流 - 输出: 500mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
供应商设备封装: 8-SOIC
LT1316
ELECTRICAL C HARA C TERISTICS
Commercial grade 0 ° C to 70 ° C, Industrial grade – 40 ° C to 85 ° C, V IN = 2V, V SHDN = V IN , T A = 25 ° C unless otherwise noted. (Notes 1, 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Switch OFF Time
FB > 1V
q
1.4
1.1
2.0
2.6
3.0
μ s
μ s
FB < 1V
3.4
μ s
Switch ON Time
Maximum Duty Cycle
Switch Saturation Voltage
Switch Leakage
Current Limit Not Asserted
1V < FB < 1.2V
Current Limit Not Asserted
1V < FB < 1.2V
I SW = 0.5A
I SW = 0.1A
Switch Off, V SW = 5V
q
q
q
q
q
4.4
3.4
74
73
6.3
76
0.30
0.06
0.1
8.2
9.5
90
90
0.4
0.15
5
μ s
μ s
%
%
V
V
μ A
Commercial grade 0 ° C to 70 ° C, V IN = 2V, V SHDN = V IN , T A = 25 ° C unless otherwise noted.
FB Comparator Trip Point
Peak Switch Current
R SET = 27.4k, T A = 25 ° C
R SET = 27.4k, T A =0 ° C
R SET = 27.4k, T A = 70 ° C
q
1.21
90
90
70
1.23
100
100
90
1.25
110
115
110
V
mA
mA
mA
R SET = 10K
q
250
290
340
mA
R SET = 121k
Industrial grade – 40 ° C to 85 ° C, V IN = 2V, V SHDN = V IN , T A = 25 ° C unless otherwise noted.
25
mA
FB Comparator Trip Point
q
1.205
1.23
1.255
V
Peak Switch Current
R SET = 27.4k,
R SET = 10k
q
q
70
200
100
290
125
370
mA
mA
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
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 PERFOR M A N CE CHARACTERISTICS
V OUT
100mV/DIV
AC COUPLED
50mA
I LOAD
0mA
Load Transient Response
1316 G01
V OUT
100mV/DIV
AC COUPLED
V SW
5V/DIV
INDUCTOR
CURRENT
200mA/DIV
Burst Mode TM Operation
1316 G02
Burst Mode IS A TRADEMARK OF LINEAR TECHNOLOGY
CORPORATION.
3
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