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| 型号： | LT3748HMS#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/30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： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 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... |
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LT3748
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = 10V, unless otherwise noted.
PARAMETER
Maximum to Minimum SENSE Threshold
CONDITIONS
l
MIN
5.2
TYP
6.6
MAX
8.2
UNITS
mV/mV
Ratio
SENSE Overcurrent Threshold
SENSE Input Bias Current
V C = 2.2V
V SENSE = 10mV (Note 3)
115
10
130
15
145
20
mV
μA
R REF Voltage
R REF Voltage Line Regulation
R REF Pin Bias Current
V C = 1.1V
5V < V IN < 100V
(Note 3)
l
l
1.20
1.195
1.223
0.005
35
1.24
1.245
0.025
500
V
V
%/V
nA
TC Current into R REF
Error Amplifier Voltage Gain
Error Amplifier Transconductance
V C Source Current
V C Sink Current
Flyback Comparator Trip Current
Minimum GATE Off-Time
Minimum GATE On-Time
Maximum Discontinuous Off-Time
Maximum GATE Off-Time
Maximum GATE On-Time
GATE Output Rise Time
GATE Output Fall Time
GATE Output Low (V OL )
GATE Output High (V OH )
R TC = 20k
Δ I = 10μA
V C = 1.1V, V RREF = 0.5V
V C = 1.1V, V RREF = 2V
Current into R FB Pin, R REF = 6.04k
V C = 0V
V RREF = 0.5V
V SENSE = 0V
C L = 3300pF, 10% to 90%
C L = 3300pF, 10% to 90%
V INTVCC – 0.05
27.5
115
155
–45
48
10
700
250
24
55
55
16
16
0.05
μA
V/V
μmhos
μA
μA
μA
ns
ns
μs
μs
μs
ns
ns
V
V
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3748E is guaranteed to meet performance specifications
from 0°C to 125°C junction temperature. Specifications over the –40°C
to 125°C operating junction temperature range are assured by design
characterization and correlation with statistical process controls. The
LT3748I is guaranteed over the full –40°C to 125°C operating junction
temperature range. The LT3748H is guaranteed over the full –40°C to
150°C operating junction temperature range. High junction temperatures
degrade operating lifetimes. Operating lifetime is derated at junction
temperatures greater than 125°C.
Note 3: Current flows out of the pin.
3748fa
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3748HMSTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:100V Isolated Flyback Controller |
| LT3748IMS#PBF | 功能描述:IC REG CTRLR FLYBK ISO CM 16MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR) |
| LT3748IMS#TRPBF | 功能描述:IC REG CTRLR FLYBK ISO CM 16MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR) |
| LT3748IMSPBF | 制造商:Linear Technology 功能描述:100V Isolated Flyback Controller MSOP16 |
| LT3748IMSTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:100V Isolated Flyback Controller |
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