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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： | 11/18页 |
| 文件大小： | 303K |
| 代理商： | LTC3125EDCB#PBF |
LTC3125
2
3125fa
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VIN, VOUT Voltage ......................................... –0.3V to 6V
SW Voltage .................................................. –0.3V to 6V
SW Voltage < 100ns .................................... –0.3V to 7V
All Other Pins ............................................... –0.3V to 6V
Operating Junction Temperature Range
(Notes 2, 5)............................................ –40°C to 125°C
Junction Temperature ........................................... 125°C
Storage Temperature Range................... –65°C to 125°C
(Note 1)
TOP VIEW
SW
VOUT
SHDN
CS
GND
FB
PROG
VIN
DCB PACKAGE
8-LEAD (2mm
3mm) PLASTIC DFN
9
3
4
2
1
6
5
7
8
TJMAX = 125°C, θJA = 64°C/W (NOTE 6)
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
1.8
5.5
V
Minimum Start-Up Voltage
l
1.6
1.8
V
Output Voltage Adjust Range
l
2
5.25
V
Feedback Voltage
l
1.176
1.200
1.229
V
Feedback Input Current
150
nA
Quiescent Current—Shutdown
VSHDN = 0V, Not Including Switch Leakage, VOUT = 0V
0.01
1
μA
Quiescent Current—Active
Measured on VOUT, Nonswitching
300
500
μA
Quiescent Current—Burst
VIN = VOUT = 3.3V, Measured on VIN, FB ≥ 1.230V,
Nonswitching
15
25
μA
N-Channel MOSFET Switch Leakage
VSW = 5V, VIN = 5V
0.1
10
μA
P-Channel MOSFET Switch Leakage
VSW = 5V, VOUT = 0V, VIN = 5V
0.1
20
μA
N-Channel MOSFET Switch On-Resistance
VOUT = 3.3V
0.125
Ω
P-Channel MOSFET Switch On-Resistance
VOUT = 3.3V
0.200
Ω
N-Channel MOSFET Current Limit
l
1.2
1.8
A
Current Limit Delay to Output
(Note 3)
60
ns
Average Input Current Limit
RPROG = 44.2k
RPROG = 44.2k, (Note 4)
l
475
465
500
525
535
mA
The
l denotes the specications which apply over the full operating
junction temperature range, otherwise specications are at TA = 25°C. VIN = 3.3V, VOUT = 4.5V unless otherwise noted (Note 2).
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3125EDCB#PBF
LTC3125EDCB#TRPBF
LDGY
8-Lead (2mm
× 3mm) Plastic DFN
–40°C to 125°C
Consult LTC Marketing for parts specied with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
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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 |
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| 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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