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参数资料
| 型号： | LTC3528EDDB#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/18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
TYPICAL PERFORMANCE CHARACTERISTICS
(T A = 25°C unless otherwise noted)
Burst Mode Waveforms
V OUT and I IN During Soft-Start
Load Step Response (Fixed
Frequency, 3.6V to 5V)
V OUT
20mV/DIV
INDUCTOR
CURRENT
100mA/DIV
V IN = 3.6V
V OUT = 5V
C OUT = 22μF
C FF = 33pF
I LOAD = 30mA
5μs/DIV
3528 G20
V OUT
1V/DIV
I IN
200mA/DIV
SHDN PIN
V IN = 1.2V
V OUT = 3.3V
C OUT = 10μF
L = 4.7μH
200μs/DIV
3528 G21
V OUT
100mV/DIV
LOAD
CURRENT
200mA/DIV
V IN = 3.6V
V OUT = 5V
C OUT = 10μF
L = 4.7μH
20μs/DIV
3528 G22
V OUT
100mV/DIV
LOAD
CURRENT
200mA/DIV
Load Step Response (Burst Mode
Operation, 3.6V to 5V, LTC3528)
V OUT
100mV/DIV
LOAD
CURRENT
100mA/DIV
Load Step Response (Fixed
Frequency, 1.2V to 3.3V)
V OUT
100mV/DIV
LOAD
CURRENT
100mA/DIV
Load Step Response (Burst Mode
Operation, 1.2V to 3.3V, LTC3528)
V IN = 3.6V
V OUT = 5V
C OUT = 10μF
L = 4.7μH
50μs/DIV
3528 G23
V IN = 1.2V
V OUT = 3.3V
C OUT = 10μF
L = 4.7μH
50μs/DIV
3528 G24
V IN = 1.2V
V OUT = 3.3V
C OUT = 10μF
L = 4.7μH
50μs/DIV
3528 G25
PIN FUNCTIONS
V OUT = 1.20V ? ? 1 +
SHDN(Pin1): LogicControlledShutdownInput.Thereis
an internal 4MΩ pull-down resistor on this pin.
? SHDN = High: Normal operation
? SHDN = Low: Shutdown, quiescent current < 1μA
FB (Pin 2): Feedback Input. Connect resistor divider tap
to this pin. The output voltage can be adjusted from 1.6V
to 5.25V by:
? R2 ?
?
? R1 ?
PGOOD (Pin 3): Power Good Comparator Output. This
open-drain output is low when V FB < 10% from its regu-
lation voltage.
V OUT (Pin 4): Output Voltage Sense and Drain Connection
of the Internal Synchronous Rectifier. PCB trace length
from V OUT to the output filter capacitor (4.7μF minimum)
should be as short and wide as possible.
SW (Pin 5): Switch Pin. Connect inductor between SW
and V IN . Keep PCB trace lengths as short and wide as
possible to reduce EMI. If the inductor current falls to
zero, or SHDN is low, an internal anti-ringing switch is
connected from SW to V IN to minimize EMI.
PGND (Pin 6): Power Ground. Provide a short direct PCB
path between PGND and the (–) side of the input and
output capacitors.
3528fd
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3529EDCB#PBF | 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:DP-SWREG/Monolithic, Cut Tape 1.5A, 2.35MHz Step-Up DC/DC Converter in 2mm x 3mm 制造商:Linear Technology 功能描述:IC, SYNC STEP-UP DC/DC CONVERTER, DFN-8, Primary Input Voltage:5.25V, No. of Outputs:1, Output Voltage:5V, Output Current:500mA, No. of Pins:8, Operating Temperature Min:-40C, Operating Temperature Max:85C, MSL:MSL 1 - Unlimited , RoHS Compliant: Yes |
| LTC3529EDCB#TRMPBF | 功能描述:IC REG BOOST SYNC 5V 1.5A 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 |
| LTC3529EDCB#TRPBF | 功能描述:IC REG BOOST SYNC 5V 1.5A 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 |
| LTC3530 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide Input Voltage Synchronous Buck-Boost DC/DC Converter |
| LTC3530EDD | 制造商:Linear Technology 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 1.8V to 5.5V 10-Pin DFN EP |
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