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参数资料
| 型号： | LTC3528BEDDB#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC ADJ 1A 8DFN |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.6 V ~ 5.25 V |
| 输入电压： | 0.5 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 1A |
| 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： | 8-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-DFN（3x2） |
LTC3528/LTC3528B
1A, 1MHz Synchronous
Step-Up DC/DC Converters
in 3mm × 2mm DFN
Delivers 3.3V at 200mA from a Single Alkaline/
V IN Start-Up Voltage: 700mV
1.6V to 5.25V V OUT Range
Up to 94% Efficiency
Output Disconnect
1MHz Fixed Frequency Operation
V IN > V OUT Operation
Integrated Soft-Start
Current Mode Control with Internal Compensation
Burst Mode ? Operation with 12μA Quiescent Current
Low Noise PWM Operation (LTC3528B)
Internal Synchronous Rectifier
Logic Controlled Shutdown: <1μA
Anti-Ringing Control
Low Profile (3mm × 2mm × 0.75mm) DFN Package
FEATURES
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NiMH Cell or 3.3V at 400mA from Two Cells
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(LTC3528)
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APPLICATIONS
DESCRIPTION
The LTC ? 3528/LTC3528B are synchronous, fixed frequency
step-up DC/DC converters with output disconnect. High
efficiency synchronous rectification, in addition to a 700mV
start-up voltage and operation down to 500mV once
started, provides longer run time for single or multiple
cell battery-powered products.
A switching frequency of 1MHz minimizes solution
footprint by allowing the use of tiny, low profile induc-
tors and ceramic capacitors. The current mode PWM is
internally compensated, simplifying the design process.
The LTC3528 enters Burst Mode operation at light loads,
while the LTC3528B features continuous switching at light
loads. Anti-ringing circuitry reduces EMI by damping the
inductor in discontinuous mode. Additional features include
a low shutdown current, open-drain power good output,
short-circuit protection and thermal overload protection.
The LTC3528/LTC3528B are offered in an 8-lead 3mm ×
2mm × 0.75mm DFN package.
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Medical Instruments
Flash-Based MP3 Players
Noise Canceling Headphones
Wireless Mice
Bluetooth Headsets
L , LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered
trademarks and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks
are the property of their respective owners.
TYPICAL APPLICATION
Efficiency and Power Loss
4.7μH
100
90
V OUT = 3.3V
V IN = 2.4V
1000
100
V IN
1.8V TO 3.2V
4.7μF
OFF ON
SW
V IN V OUT
LTC3528
PGOOD
SHDN
GND
FB
499k
287k
33pF
V OUT
3.3V
400mA
10μF
3528 TA01a
80
70
60
50
40
EFFICIENCY
P OWER LOS S
10
1
0.1
30
0.01
0.1
1
10
100
0.01
1000
LOAD CURRENT (mA)
3528 TA01b
3528fd
1
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相关代理商/技术参数 |
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| LTC3528EDDB#PBF | 制造商:Linear Technology 功能描述:DP-SWREG/Monolithic, Cut Tape 1A, 1MHz Synch Boost converter w/ Output Disconnec |
| LTC3528EDDB#TRMPBF | 功能描述:IC REG BOOST SYNC ADJ 1A 8DFN 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 |
| LTC3528EDDB#TRPBF | 功能描述:IC REG BOOST SYNC ADJ 1A 8DFN 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:2,500 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:8-SOIC |
| LTC3528EDDB-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1A, 2MHz Synchronous Step-Up DC/DC Converter in 2mm × 3mm DFN |
| LTC3528EDDB-2#PBF | 制造商:Linear Technology 功能描述:BOOST 5.5VIN 1A 2MHZ ADJ 8DFN 制造商:Linear Technology 功能描述:IC SYNC STEP-UP DC/DC CONVERTER DFN-8 制造商:Linear Technology 功能描述:BOOST, 5.5VIN, 1A, 2MHZ, ADJ, 8DFN 制造商:Linear Technology 功能描述:IC, SYNC STEP-UP DC/DC CONVERTER, DFN-8; Primary Input Voltage:5.5V; No. of Outputs:1; Output Voltage:5.25V; Output Current:1A; No. of Pins:8; Operating Temperature Min:-40C; Operating Temperature Max:85C; MSL:MSL 1 - Unlimited ;RoHS Compliant: Yes |
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