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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： | 21/24页 |
| 文件大小： | 337K |
| 代理商： | LT2940CDD#PBF |
LT2940
6
2940f
–4
–1500
–1000
–500
0
500
1500
–2
0
2940 G04
24
1000
VPMON = 0V
VPMON = 0.5V
I PMON
(μA)
VV VI (V
2)
VCC ≥ 15V
VV = 40 VI
VPMON = 4V
–5
–300
–200
–100
0
100
300
05
2940 G05
10
15
20
200
I = 200μA
OUTPUT
CURRENT
(μA)
OUTPUT VOLTAGE (V)
TA = 25°C
VCC = 6V
VCC = 12V
VCC = 30V
I = –200μA
VCC = 6V VCC = 12V
VCC =
30V
0
2.4
2.6
2.8
3.0
3.2
3.6
20
40
2940 G06
60
80
100
3.4
IPMON = 200μA
IIMON = 200μA
IPMON = 0μA
IIMON = 0μA
I CC
(mA)
VCC (V)
IPMON = –200μA
IIMON = –200μA
–300
–200
–100
0
100
300
–200
–100
0
100
2940 G07
200
300
200
VIMON = 0V
VIMON = 0.5V
I IMON
(μA)
VI (mV)
VI = VI+ – VI–
OUTPUT CURRENT IS
APPROXIMATELY FLAT
TO ABSOLUTE MAXIMUM
VOLTAGE LIMITS
VI (mV)
–200
1
0
–1
0
200
–2
2
2940 G08
E
IMON
(%FS)
VCC = 12V
VCC = 80V
ONE REPRESENTATIVE UNIT
TEMPERATURE (°C)
–50
E
IMON
(%FS)
–3
–1
0
1
3
0
50
75
–2
2
–25
25
100
125
2949 G09
–200mV ≤ VI ≤ 200mV
VI– = 12V
VCC = 12V
VCC = 80V
VCC = 12V
TYPICAL PERFORMANCE CHARACTERISTICS
PMON Current
vs Power Sense Product
PMON and IMON Voltage
Compliance
Supply Current vs Supply Voltage
IMON Current vs Current
Sense Voltage
IMON Total Error vs Current
Sense Voltage
IMON Error Band vs Temperature
PMON Step Response
IMON Step Response
500ns/DIV
VIMON
200mV/DIV
2940 G10
RPMON = 2k ON 2VDC BIAS
CL = 8pF
VCC = 12V
TA = 25°C
VV = ±2V
VI = 200mV
250ns/DIV
VIMON
200mV/DIV
2940 G11
RPMON = 2k ON 2VDC BIAS
CL = 8pF
VCC = 12V
TA = 25°C
VI = ±200mV
VV = 2V
250ns/DIV
VIMON
200mV/DIV
2940 G12
RIMON = 2k ON 2VDC BIAS
CL = 8pF
VCC = 12V
TA = 25°C
VI = ±200mV
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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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