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参数资料
| 型号： | LTC3125EDCB#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 1900 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | 2 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, DFN-8 |
| 文件页数： | 14/18页 |
| 文件大小： | 303K |
| 代理商： | LTC3125EDCB#PBF |
LTC3125
5
3125fa
RDS(ON) vs VOUT
RDS(ON) vs Temperature
Oscillator Frequency
vs Temperature
Feedback vs Temperature
Current Sense Voltage (VRPROG)
vs Temperature
Burst Mode Current vs VOUT
TYPICAL PERFORMANCE CHARACTERISTICS (T
A = 25°C unless otherwise noted)
VOUT and IIN During Soft-Start
VOUT (V)
1.5
RDS(ON)
(Ω)
0.400
3
3125 G12
0.250
0.150
2
2.5
3.5
0.100
0.050
0.450
0.350
0.300
0.200
4
4.5
5
PMOS
NMOS
TEMPERATURE (°C)
–50
180
200
240
10
50
3125 G13
160
140
–30
–10
30
70
90
120
100
220
R
DS(ON)
(mΩ)
PMOS
NMOS
VOUT = 4V
TEMPERATURE (°C)
–50
–10
FREQUENCY
CHANGE
(%)
–6
–2
2
–25
0
25
50
3125 G14
75
6
10
–8
–4
0
4
8
100
NORMALIZED TO 25°C
TEMPERATURE (°C)
–50
CHANGE
IN
V
FB
(%)
0
0.25
0.50
10
50
3125 G15
–0.25
–0.50
–30
–10
30
70
90
–0.75
–1.00
NORMALIZED TO 25°C
TEMPERATURE (°C)
–50
CHANGE
IN
V
FB
(%)
0
0.25
0.50
10
50
3125 G15
–0.25
–0.50
–30
–10
30
70
90
–0.75
–1.00
NORMALIZED TO 25°C
VOUT (V)
1.5
I Q
(μA)
15.0
15.5
16.0
34
3125 G17
14.5
14.0
2
2.5
3.5
4.5
5
13.5
13.0
VOUT
2V/DIV
SHDN
5V/DIV
INPUT
CURRENT
200mA/DIV
20ms/DIV
VIN = 3.3V
VOUT = 4.5V
COUT = 4.4mF
L = 2.7μH
3125 G18
BURST
CURRENT
VOUT
2V/DIV
SHDN
5V/DIV
INPUT
CURRENT
200mA/DIV
1s/DIV
VIN = 3.3V
VOUT = 4.5V
COUT = 0.47F
L = 2.7μH
3125 G19
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3125EDCBTRMPBF | 制造商:Linear Technology 功能描述:DC-DC Converter Step-Up 1.8-5.5V DFN8EP |
| LTC3125EDCB-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.2A Synchronous Step-Up DC/DC Converter with Input Current Limit |
| LTC3127 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:40V, 2A Synchronous Buck-Boost DC/DC Converter |
| LTC3127EDD | 制造商:LINER 制造商全称:Linear Technology 功能描述:1A Buck-Boost DC/DC Converter with Programmable Input Current Limit |
| LTC3127EDD#PBF | 功能描述:IC BUCK BOOST SYNC ADJ 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 应用:热电冷却器 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:28-SOIC（0.173"，4.40mm 宽）裸露焊盘 供应商设备封装:28-TSSOP 裸露焊盘 包装:管件 产品目录页面:1410 (CN2011-ZH PDF) |
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