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| 型号： | LM5020MM-1/NOPB |
| 厂商： | National Semiconductor |
| 文件页数： | 3/17页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR PWM CM 10-MSOP |
| 标准包装： | 1 |
| 系列： | PowerWise® |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 占空比： | 85% |
| 电源电压： | 13 V ~ 90 V |
| 降压： | 是 |
| 升压： | 是 |
| 回扫： | 是 |
| 反相： | 是 |
| 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 标准包装 |
| 产品目录页面： | 1297 (CN2011-ZH PDF) |
| 配用： | LM5020EVAL-ND - EVALUATION BOARD FOR LM5020 |
| 其它名称： | LM5020MM-1DKR |
Absolute Maximum Ratings (1) (2)
VIN to GND
VCC to GND
RT to GND
All other pins to GND
Power Dissipation
SNVS275F – MAY 2004 – REVISED APRIL 2006
-0.3V to 100V
-0.3V to 16V
-0.3V to 5.5V
-0.3V to 7V
Internally Limited
ESD Rating (3)
Storage Temperature
Junction Temperature
Human Body Model
2kV
-65°C to +150°C
150°C
(1)
(2)
(3)
Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which
operation of the device is intended to be functional. For ensured specifications and test conditions, see the Electrical Characteristics.
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
The human body model is a 100 pF capacitor discharged through a 1.5k ? resistor.
Operating Ratings
VIN Voltage
External Voltage applied to VCC
Operating Junction Temperature
13V to 90V
8V to 15V
-40°C to +125°C
Electrical Characteristics
Specifications in standard type face are for T J = +25°C and those in boldface type apply over the full operating junction
temperature r ange. Unless otherwise specified: VIN = 48V, VCC = 10V, and RT = 31.6k ? . (1)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Startup Regulator
V CC Reg
I-V IN
I IN
V CC Regulation
V CC Current Limit
Startup Regulator Leakage
Shutdown Current
V CC = Open
(2)
See
V IN = 100V
V UVLO = 0V, V CC = open
7.4
15
7.7
22
150
250
8.0
500
350
V
mA
μA
μA
VCC Supply
V CC UVLO (Rising)
VccReg
- 300mV
VccReg -
100mV
V
V CC UVLO (Falling)
5.3
6.0
6.7
V
I CC
Supply Current
Cload = 0
2
3
mA
Error Amplifier
GBW
Gain Bandwidth
DC Gain
4
75
MHz
dB
Reference Voltage
COMP Sink Capability
FB = COMP
FB = 1.5V COMP= 1V
1.225
5
1.25
17
1.275
V
mA
UVLO Pin
Shutdown Threshold
Undervoltage Shutdown Hysteresis
1.225
16
1.25
20
1.275
24
V
μA
Current Source
Current Limit
ILIM Delay to Output
CS step from 0 to 0.6V
30
ns
Time to onset of OUT
Transition (90%)
Cycle by Cycle CS Threshold
0.45
0.5
0.55
V
Voltage
Leading Edge Blanking Time
50
ns
(1)
(2)
Limits are 100% production tested at 25°C. Limits over the operating temperature range are specified through correlation using
Statistical Quality Control (SQC) methods. The limits are used to calculate National's Average Outgoing Quality Level (AOQL).
Device thermal limitations may limit usable range.
Copyright ? 2004–2006, Texas Instruments Incorporated
Product Folder Links: LM5020
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM5020MM-2 | 功能描述:电流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| LM5020MM-2/NOPB | 功能描述:电流型 PWM 控制器 100V Current Mode PWM Controller RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| LM5020MMX-1 | 功能描述:电流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| LM5020MMX-1/NOPB | 功能描述:电流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| LM5020MMX1-NOPB | 制造商:TI 制造商全称:Texas Instruments 功能描述:Internal Start-up Bias Regulator, Error Amplifier |
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