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参数资料
| 型号： | LTC3545IUD-1#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 0.8A 16QFN |
| 标准包装： | 121 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 3 |
| 输出电压： | 0.6 V ~ 5.5 V |
| 输入电压： | 2.25 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 2.25MHz |
| 电流 - 输出： | 800mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°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-EP（3x3） |
LTC3545/LTC3545-1
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage .................................... –0.3V to 6V
RUNx, PGOODx............................. –0.3V to (V IN + 0.3V)
V FBx , SYNC/MODE ........................ –0.3V to (V IN + 0.3V)
SWx .............................................. –0.3V to (V IN + 0.3V)
P-Switch Source Current (DC) (Note 8) ...................1.1A
PIN CONFIGURATION
LTC3545
TOP VIEW
16 15 14 13
N-Channel Sink Current (DC) (Note 8) .....................1.1A
Peak SW Sink and Source Current (Note 8) .............1.3A
Operating Junction Temperature Range
(Note 2) ............................................. –40°C to 125°C
Storage Temperature Range................... –65°C to 125°C
LTC3545-1
TOP VIEW
16 15 14 13
SW1 1
12 V FB2
SW1 1
12 V FB2
PGOOD1 2
RUN2 3
17
11 V FB3
10 RUN3
PGOOD1 2
RUN2 3
17
11 V FB3
10 RUN3
PGOOD2 4
9
SYNC/MODE
PGOOD2 4
9
PGOOD3
5
6
7
8
5
6
7
8
UD PACKAGE
UD PACKAGE
16-LEAD (3mm
3mm) PLASTIC QFN
16-LEAD (3mm
3mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 55°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
T JMAX = 125°C, θ JA = 55°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LTC3545EUD#PBF
LTC3545IUD#PBF
LTC3545EUD-1#PBF
LTC3545IUD-1#PBF
TAPE AND REEL
LTC3545EUD#TRPBF
LTC3545IUD#TRPBF
LTC3545EUD-1#TRPBF
LTC3545IUD-1#TRPBF
PART MARKING*
LCSR
LCSR
LDDP
LDDP
PACKAGE DESCRIPTION
16-Lead (3mm × 3mm) Plastic QFN
16-Lead (3mm × 3mm) Plastic QFN
16-Lead (3mm × 3mm) Plastic QFN
16-Lead (3mm × 3mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges. *The temperature grade is identi?ed by a label on the shipping container.
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 speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = PV IN = 3.6V unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
General Characteristics
V IN
Input Voltage Range
●
2.25
5.5
V
V FBx
Δ V FBx
Regulated Feedback Voltage (Note 5)
Reference Voltage Line Regulation (Note 5)
T A = 25°C
0°C ≤ T A ≤ 85°C
LTC3545IUD; –40°C < T A < 125°C
V IN = 2.25V to 5.5V
●
●
●
0.592
0.588
0.588
0.6
0.6
0.6
0.08
0.608
0.612
0.612
0.15
V
V
V
%/V
35451fb
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3545IUD-1-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Triple 800mA Synchronous Step-Down Regulator-2.25MHz |
| LTC3545IUD-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Triple 800mA Synchronous Step-Down Regulator-2.25MHz |
| LTC3545IUD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Triple 800mA Synchronous Step-Down Regulator-2.25MHz |
| LTC3546 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Synchronous, 3A/1A or 2A/2A Confi gurable Step-Down DC/DC Regulator |
| LTC3546EFE#PBF | 功能描述:IC REG BUCK SYNC ADJ DL 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 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:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
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