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参数资料
| 型号： | LTC3527EUD-1#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/22页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC ADJ DL 16QFN |
| 标准包装： | 121 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 1.6 V ~ 5.25 V |
| 输入电压： | 0.5 V ~ 5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.2MHz，2.2MHz |
| 电流 - 输出： | 400mA，800mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 16-QFN（3x3） |
LTC3527/LTC3527-1
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V IN , V IN1 , V IN2 Voltage ................................. –0.3V to 6V
SW1, SW2 Voltage (DC) .............................. –0.3V to 6V
PIN CONFIGURATION
TOP VIEW
(Pulsed < 100ns) ..................................... –0.3V to 7V
SHDN1 , SHDN2 , FB1, FB2 Voltage ............... –0.3V to 6V
V OUT1 , V OUT2 ................................................ –0.3V to 6V
MODE, FSEL, PGOOD1, PGOOD2................. –0.3V to 6V
SHDN1 1
FB1 2
MODE 3
16 15 14 13
17
PGND
12 SHDN2
11 FB2
10 FSEL
Operating Temperature (Notes 2, 5) ......... –40°C to 85°C
Junction Temperature ........................................... 125°C
V IN1 4
5
6
7
8
9
V IN2
Storage Temperature Range................... –65°C to 125°C
UD PACKAGE
16-LEAD (3mm
3mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 68°C/W
EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3527EUD#PBF
LTC3527EUD-1#PBF
LEAD BASED FINISH
LTC3527EUD
LTC3527EUD-1
TAPE AND REEL
LTC3527EUD#TRPBF
LTC3527EUD-1#TRPBF
TAPE AND REEL
LTC3527EUD#TR
LTC3527EUD-1#TR
PART MARKING
LDDK
LCXP
PART MARKING
LDDK
LCXP
PACKAGE DESCRIPTION
16-Lead (3mm × 3mm) Plastic QFN
16-Lead (3mm × 3mm) Plastic QFN
PACKAGE DESCRIPTION
16-Lead (3mm × 3mm) Plastic QFN
16-Lead (3mm × 3mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, –40 ° C to 85 ° C. V IN = V IN1 = V IN2 = 1.2V, V OUT1 = V OUT2 = 3.3V, T A = 25°C, unless otherwise noted.
PARAMETER
Minimum Start-Up Voltage
CONDITIONS
I LOAD = 1mA
MIN
TYP
0.7
MAX
0.88
UNITS
V
Output Voltage Adjust Range
Line Regulation
V OUT1
V OUT1
V OUT2
V OUT2
V IN = 1V to 5V
l
l
1.7
1.6
1.7
1.6
0.005
5.25
5.25
5.25
5.25
V
V
V
V
%/V
Feedback Voltage FB1, FB2
Feedback Input Current FB1, FB2
Quiescent Current: Shutdown
V FB1,2 = 1.20V
V SHDN1 = V SHDN2 = 0V, Not Including Switch
l
1.176
1.20
1
0.1
1.224
50
2
V
nA
μA
Leakage, V OUT1 = V OUT2 = 0V
Quiescent Current: Burst Mode Operation
Measured on V OUT , V FB1 = V FB2 = 1.5V
12
μA
Quiescent Current: Active
NMOS Switch Leakage Current (LTC3527)
V FB1 = V FB2 > 1.2V (Note 3)
V SW1,2 = 5V, SHDN1,2 = 0V
500
0.1
900
10
μA
μA
35271fc
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3527EUD-1-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| LTC3527EUD-1-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| LTC3527EUD-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| LTC3527EUD-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| LTC3527EUD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
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