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| 型号： | LT3512MPMS#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/26页 |
| 文件大小： | 0K |
| 描述： | IC REG FLYBK ISO ADJ .42A 16MSOP |
| 标准包装： | 37 |
| 类型： | 回扫，隔离 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调 |
| 输入电压： | 4.5 V ~ 100 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 40kHz ~ 650kHz |
| 电流 - 输出： | 420mA |
| 同步整流器： | 无 |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TFSOP（0.118"，3.00mm），12 引线 |
| 包装： | 管件 |
| 供应商设备封装： | 16-MSOP |
LT3512
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 = 24V unless otherwise noted.
PARAMETER
T C Current into R REF
BIAS Pin Voltage
CONDITIONS
R TC = 53.6k
Internally Regulated
MIN
3
TYP
9.5
3.1
MAX
3.2
UNITS
μA
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 LT3512E 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
LT3512I is guaranteed to meet performance specifications from –40°C to
125°C operating junction temperature range. The LT3512H is guaranteed
to meet performance specifications from –40°C to 150°C operating
junction temperature range. The LT3511MP is guaranteed over the full
–55°C to 150°C operating junction 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 R REF pin.
Note 4: The SW pin is rated to 150V for transients. Operating waveforms
of the SW pin should keep the pedestal of the flyback waveform below
100V as shown in Figure 5.
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C, unless otherwise noted.
Output Voltage
Quiescent Current
BIAS Pin Voltage
5.25
5.20
5.15
5.10
V IN = 48V
8
6
4.0
3.5
5.05
5.00
4.95
4
3.0
4.90
4.85
4.80
4.75
–50 –25
0
25
50
75
100 125 150
2
0
–50 –25
0
25
50
75
V IN = 24V
V IN = 48V
V IN = 100V
100 125 150
2.5
2.0
–50 –25
0
25 50
V IN = 24V, 10mA
V IN = 24V, NO LOAD
75 100 125 150
2000
1600
1200
800
TEMPERATURE (°C)
Switch V CESAT
3512 G01
800
700
600
500
400
300
TEMPERATURE (°C)
Switch Current Limit
MAXIMUM CURRENT LIMIT
3512 G02
5
4
3
2
TEMPERATURE (°C)
Quiescent Current vs V IN
3512 G03
400
200
MINIMUM CURRENT LIMIT
1
100
0
0
100 200
300
400
500
0
–50 –25
0
25
50
75 100 125 150
0
0
20
40
60
80
100
SWITCH CURRENT (mA)
3512 G04
TEMPERATURE (°C)
3512 G05
VOLTAGE (V)
3512 G06
3512fb
3
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| LT3513EUHF#PBF | 功能描述:IC REG 5-OUT FOR TFT-LCD 38QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器，Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN（7x7） 包装:管件 |
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