参数资料
型号: LT1339ISW#TRPBF
厂商: Linear Technology
文件页数: 5/20页
文件大小: 0K
描述: IC REG CTRLR BST PWM CM 20-SOIC
标准包装: 1,000
PWM 型: 电流模式
输出数: 1
频率 - 最大: 150kHz
占空比: 90%
电源电压: 最高 60V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
包装: 带卷 (TR)
LT1339
TYPICAL PERFOR M A N CE CHARACTERISTICS
9
8
7
Soft Start Charge Current
vs Temperature
1.26
1.25
1.24
1.23
1.22
1.21
RUN/SHDN Rising Threshold
vs Temperature
26
25
24
23
22
21
RUN/SHDN Threshold Hysteresis
vs Temperature
6
–50 –25
0
25
50
75
100
125
1.20
–50 –25
0
25
50
75
100
125
20
–50 –25
0
25
50
75
100
125
160
TEMPERATURE ( ° C)
1339 G10
Bottom Gate Transition Times vs
Bottom Gate Capacitance
300
TEMPERATURE ( ° C)
Top Gate Transition Times vs
Top Gate Capacitance
1339 G11
160
TEMPERATURE ( ° C)
1339 G12
Average Current Limit Threshold
Sense Voltage Tolerance vs
Common Mode Voltage
140
T A = 25 ° C
250
T A = 25 ° C
150
FULL OPERATING
TEMPERATURE RANGE
120
140
100
200
RISE TIME
130
UPPER LIMIT
80
60
RISE TIME
FALL TIME
150
100
120
110
TYPICAL
LOWER LIMIT
40
20
50
FALL TIME
100
90
0
1000
2500
5000
7500
10000
0
1000
2500
5000
7500
10000
80
0
1
2
3
4 5
60
BOTTOM GATE CAPACITANCE (pF)
1339 G13
12V IN Supply Current vs
Supply Voltage
30
TOP GATE CAPACITANCE (pF)
18
1339 G14
Boost Supply Current vs
12V IN Supply Voltage
V SENSE(CM) (V)
1339 G15
28
26
24
22
20
18
16
14
f O = 100kHz
T A = 25 ° C
C BG = 10000pF
C BG = 4700pF
C BG = 3300pF
C BG = 1000pF
16
14
12
10
8
6
4
2
f O = 100kHz
T A = 25 ° C
C TG = 4700pF
C TG = 1000pF
C TG = 10000pF
C TG = 3300pF
10
11
12
13
14
15
10
11
12
13
14
15
12V IN SUPPLY VOLTAGE (V)
1339 G16
12V IN SUPPLY VOLTAGE (V)
1339 G17
sn1339 1339fas
5
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