参数资料
型号: LT3748HMS#PBF
厂商: Linear Technology
文件页数: 4/30页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO CM 16MSOP
产品培训模块: LT3748 100V Flyback Controller
标准包装: 37
PWM 型: 电流模式
输出数: 1
电源电压: 5 V ~ 100 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 150°C
封装/外壳: 16-TFSOP(0.118",3.00mm),12 引线
包装: 管件
配用: 732-3308-ND - BOARD EVAL FOR LT3748
732-3305-ND - BOARD EVAL FOR LT3748
相关产品: 732-2669-2-ND - TRANS FLYBACK LT3748 20UH SMD
732-2669-6-ND - TRANS FLYBACK LT3748 20UH SMD
732-2668-6-ND - TRANS FLYBACK LT3748 14UH SMD
732-2667-6-ND - TRANS FLYBACK LT3748 500UH SMD
732-2666-6-ND - TRANS FLYBACK LT3748 12UH SMD
732-2665-6-ND - TRANS FLYBACK LT3748 12UH SMD
732-2664-6-ND - TRANS FLYBACK LT3748 15UH SMD
732-2663-6-ND - TRANS FLYBACK LT3748 15UH SMD
732-2662-6-ND - TRANS FLYBACK LT3748 8UH SMD
732-2661-6-ND - TRANS FLYBACK LT3748 8UH SMD
更多...
LT3748
TYPICAL PERFORMANCE CHARACTERISTICS T A = 25°C, unless otherwise noted.
Output Regulation vs Temperature
Quiescent Current vs Temperature
Quiescent Current vs V IN Voltage
15.6
15.4
FIGURE 15 CIRCUIT
I OUT = 150mA ON EACH OUTPUT
V IN = 12V
1.7
V SS = 0V
1.6 INTV CC = OPEN
1.5
V IN = 72V
1.6
1.4
1.2
V SS = 0V
INTV CC = OPEN
15.2
15.0
14.8
14.6
1.4
1.3
1.2
1.1
1.0
0.9
V IN = 12V
V IN = 36V
V IN = 6V
1.0
0.8
0.6
0.4
0.2
14.4
–50 –25
0
25
50
75
100 125 150
0.8
–50 –25
0
25
50
75
100 125 150
0
0
20
40
60
80
100
7.5
TEMPERATURE ( C)
3748 G01
INTV CC Voltage vs Temperature
7.5
TEMPERATURE (°C)
INTV CC Voltage vs V IN Voltage
3748 G02
4.0
V IN (V)
INTV CC Undervoltage Lockout
vs Temperature
3748 G03
7.4
7.3
7.2
7.0
6.5
I INTVCC = 0mA
I INTVCC = 10mA
3.9
3.8
7.1
I INTVCC = 0mA
6.0
3.7
RISING THRESHOLD
7.0
6.9
6.8
I INTVCC = 10mA
5.5
5.0
3.6
3.5
FALLING THRESHOLD
6.7
6.6
4.5
3.4
6.5
–50 –25
0
25
50
75
100 125 150
4.0
4
6
8
10
20
40
60
80
100
3.3
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
INTV CC Regulator Dropout
vs INTV CC Current
3748 G04
V IN VOLTAGE (V)
3748 G05
INTV CC Dropout vs Temperature
TEMPERATURE (°C)
3748 G06
Soft-Start Current vs Temperature
3.0
2.5
2.0
V IN = 5V
3.0
2.5
2.0
V IN = 5V
6
5
4
I INTVCC = 20mA
1.5
1.0
150°C
1.5
1.0
I INTVCC = 10mA
3
2
0.5
100°C
0.5
1
0
0
10 20 30
25°C
–50°C
40
0
–50 –25
0
25
50
I INTVCC = 5mA
75 100 125 150
0
–50 –25
0
25
50
75
100 125 150
INTV CC CURRENT (mA)
3748 G07
TEMPERATURE ( C)
3748 G08
TEMPERATURE ( C)
3748 G09
3748fa
4
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