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参数资料
| 型号： | LTC3532EMS#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BST SYNC 0.5A 10MSOP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压），升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.4 V ~ 5.25 V |
| 输入电压： | 2.4 V ~ 5.5 V |
| PWM 型： | Burst Mode? |
| 频率 - 开关： | 300kHz ~ 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-MSOP |
LTC3532
TYPICAL PERFOR A CE CHARACTERISTICS
Switch Pins Before Entering
T A = 25°C, unless otherwise speci?ed.
Buck Mode
Output Ripple at 100mA Load
Burst Mode, Boost
SW1
2VDIV
V OUT
50mV/DIV
V IN = 2.4V
V IN = 3.6V
SW1
5V/DIV
SW2
5V/DIV
V OUT
SW2
2VDIV
50mV/DIV
V OUT
50mV/DIV
V IN = 4.5V
V OUT
100mV/DIV
INDUCTOR
CURRENT
500mA/DIV
40ns/DIV
3535 G13
400ns/DIV
3535 G14
4μs/DIV
3535 G15
V IN = 4V
VOUT = 3.3V
I LOAD = 100mA
SW1
5V/DIV
SW2
5V/DIV
V OUT
100mV/DIV
INDUCTOR
CURRENT
500mA/DIV
Burst Mode, Buck-Boost
V OUT = 3.6V
I OUT = 100mA
C OUT = 10μF
SW1
5V/DIV
SW2
5V/DIV
V OUT
100mV/DIV
INDUCTOR
CURRENT
500mA/DIV
V IN = 2.4V
V OUT = 3.3V
I LOAD = 20mA
C OUT = 22μF
Burst Mode, Buck
V IN = 3.75V
V OUT = 3.3V
I LOAD = 20mA
C OUT = 22μF
4μs/DIV
340612 G16
V IN = 4.2V
V OUT = 3.3V
I LOAD = 20mA
C OUT = 22μF
4μs/DIV
3535 G17
PI FU CTIO S
RT (Pin 1): Timing Resistor to Program the Oscillator
Frequency. The programming range is 300kHz to 2MHz.
An optional Schottky diode can be connected from SW1
to ground. Minimize trace length to minimize EMI.
f(kHz) =
48,000
R T (k Ω )
SW2 (Pin 4): Switch Pin Where the Internal Switches C
and D are Connected. For applications with output voltages
over 4.3V, a Schottky diode is required from SW2 to V OUT
BURST (Pin 2): Used to Set the Automatic Burst Mode Op-
eration Threshold. Place a resistor and capacitor in parallel
from this pin to ground. See the Applications Information
section for component value selection. For manual control,
ground the pin to force Burst Mode operation, connect to
V OUT to force ?xed frequency mode.
SW1 (Pin 3): Switch Pin Where the Internal Switches A
and B are Connected. Connect inductor from SW1 to SW2.
to ensure SW2 does not exhibit excess voltage.
GND (Pin 5): Signal and Power Ground for the IC.
V OUT (Pin 6): Output of the Synchronous Recti?er. A ?lter
capacitor is placed from V OUT to GND.
V IN (Pin 7): Input Supply Pin. Supplies current to the
inductor through SW1 and supplies internal V CC for the
IC. A ceramic bypass capacitor as close to the V IN pin and
GND (Pin 5) is required.
3532fc
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3533 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Effi ciency, Synchronous, 4-Switch Buck-Boost Controller |
| LTC3533EDE | 制造商:Linear Technology 功能描述: |
| LTC3533EDE#PBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 14DFN 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 |
| LTC3533EDE#PBF | 制造商:Linear Technology 功能描述:DC/DC Converter IC |
| LTC3533EDE#TRPBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 14DFN 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:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 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:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
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