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参数资料
| 型号： | LT2940CDD#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12 |
| 封装： | 3 X 3 MM, LEAD FREE, PLASTIC, DFN-12 |
| 文件页数： | 22/24页 |
| 文件大小： | 337K |
| 代理商： | LT2940CDD#PBF |
LT2940
7
2940f
TYPICAL PERFORMANCE CHARACTERISTICS
PMON Input Feedthrough
vs Frequency
PMON Frequency Response
to Voltage Sense
PMON Frequency Response
to Current Sense
IMON Frequency Response
to Current Sense
Open Collector Current
vs Open Collector Voltage
Power Supply Rejection Ratio
vs Frequency
FREQUENCY (Hz)
SEE TEST CIRCUITS FOR LOADING CONDITIONS
–30
PMON
OUTPUT
SIGNAL
(dBV
PK
) –10
100
100k
1M
10M
–60
–50
1k
10k
0
–20
–40
2940 G14
VV = ±2VPK
VI = 0mV, dV = 0
VI = ±200mVPK
VV = 0V, dI = 0
RELATIVE TO ±1VPK
RPMON = 5k ON 2VDC BIAS
TA = 25°C
FREQUENCY (Hz)
SEE TEST CIRCUITS FOR LOADING CONDITIONS
–30
RELA
TIVE
PMON
VOL
TAGE
(dBV
PK
)
–10
100
100k
1M
10M
–40
1k
10k
10
0
–20
2940 G15
VV = ±2VPK
VI = 200mVDC
IPMON = ±200μAPK (NOM)
TA = 25°C
RL = 2k
I-TO-V
AMP
OUTPUT
RL = 5k
RELATIVE TO DC GAIN
FREQUENCY (Hz)
SEE TEST CIRCUITS FOR LOADING CONDITIONS
–30
RELA
TIVE
PMON
VOL
TAGE
(dBV
PK
)
–10
100
100k
1M
10M
–40
1k
10k
10
0
–20
2940 G16
VV = 2VDC
VI = ±200mVPK
IPMON = ±200μAPK (NOM)
TA = 25°C
RL =
2k
I-TO-V
AMP
OUTPUT
RL = 5k
RELATIVE TO DC GAIN
FREQUENCY (Hz)
SEE TEST CIRCUITS FOR LOADING CONDITIONS
–30
RELA
TIVE
IMON
VOL
TAGE
(dBV
PK
)
–10
100
100k
1M
10M
–40
1k
10k
10
0
–20
2940 G17
VI = ±200mVPK
IIMON = ±200μAPK (NOM)
TA = 25°C
RL =
2k
I-TO-V
AMP
OUTPUT
RL = 5k
RELATIVE TO DC GAIN
FREQUENCY (Hz)
REJECTION
RA
TIO
(dBV)
40
100
100k
1M
10M
0
1k
10k
80
60
20
2940 G13
VCC = 12V
RPMON = 5k ON 2VDC BIAS
RIMON = 5k ON 2VDC BIAS
TA = 25°C
IMON
PMON
OPEN COLLECTOR VOLTAGE (V)
0.1
0
OPEN
COLLECTOR
CURRENT
(mA)
5
10
15
20
25
1
10
2940 G18
100
TA = 25°C
OUTPUT PULLING LOW
VCC = 6V
VCC = 80V
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|---|---|
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| LT2940CDD#TRPBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12 |
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| LT3845EN#TRPBF | SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDIP16 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT2940CMS | 制造商:LINER 制造商全称:Linear Technology 功能描述:Power and Current Monitor |
| LT2940CMS#PBF | 功能描述:IC CURRENT/POWER MONITOR 12MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR |
| LT2940CMS#PBF | 制造商:Linear Technology 功能描述:IC POWER AND CURRENT MONITOR MSOP-12 |
| LT2940CMS#TRPBF | 功能描述:IC POWER/CURRENT MONITOR 12MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR |
| LT2940CMSPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Power and Current Monitor |
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