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参数资料
| 型号： | LTC3252EDE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 12/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SWITCHED CAP 12DFN |
| 标准包装： | 2,500 |
| 类型： | 降压（降压），切换电容（充电泵） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 0.9 V ~ 1.6 V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | Burst Mode? |
| 频率 - 开关： | 1MHz ~ 1.6MHz |
| 电流 - 输出： | 250mA |
| 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： | 12-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 12-DFN（4x3） |
LTC3252
TYPICAL APPLICATIO S
Fixed 3.3V IN to 1.5V OUT at 300mA
OFF ON
3-Cell NiMH with Digitally Selectable 1.2V/1.5V Output
C1
FB2
3.3V
4.7 μ F
1 μ F
3
2
5
4
6
1
EN1 OUT2
C1 + C2 –
C1 – FB2
V IN EN2
OUT1 C2 +
LTC3252
FB1 GND
11
9
10
8
12
7
1 μ F
470k
510k
OUT
1.5V
300mA
10 μ F
3-CELL
NiMH
EN1
1 μ F
4.7 μ F
412k
3
2
5
4
6
1
V IN EN2
C1 + C2 –
–
EN1 OUT2
OUT1 C2 +
LTC3252
FB1 GND
11
9
10
8
12
7
EN2
1 μ F
100k
261k
EN1
OFF
I OUT
250mA
4.7 μ F
EN2 OUT
OFF 0V
OFF
ON
1.2V
3252 TA03
ON
ON
OFF
ON
1.5V
1.5V
3252 TA04
RELATED PARTS
PART NUMBER
LTC1514
LTC1515
LT1776
LTC1911-1.5
LTC1911-1.8
LTC3250-1.5
LTC3251
LTC3404
DESCRIPTION
50mA, 650kHz, Step-Up/Down Charge Pump
with Low Battery Comparator
50mA, 650kHz, Step-Up/Down Charge Pump
with Power-On Reset
500mA (I OUT ), 200kHz, High Efficiency
Step-Down DC/DC Converter
250mA, 1.5MHz, High Efficiency
Step-Down Charge Pump
250mA, 1.5MHz, High Efficiency
Step-Down Charge Pump
250mA, 1.5MHz, High Efficiency
Step-Down Charge Pump
500mA, Spread Spectrum, High Efficiency
Step-Down Charge Pump
600mA (I OUT ), 1.4MHz, Synchronous
Step-Down DC/DC Converter
COMMENTS
V IN = 2.7V to 10V, V OUT = 3V or 5V, Regulated Output, I Q = 60 μ A,
I SHDN = 10 μ A, S8
V IN = 2.7V to 10V, V OUT = 3.3V or 5V, Regulated Output, I Q = 60 μ A,
I SHDN = <1 μ A, S8
90% Efficiency, V IN = 7.4V to 40V, V OUT Min = 1.24V,
I Q = 3.2mA, I SHDN = 30 μ A, N8, S8
75% Efficiency, V IN = 2.7V to 5.5V, V OUT = 1.5V, Regulated Output,
I Q = 180 μ A, I SHDN = 10 μ A, MS8
75% Efficiency, V IN = 2.7V to 5.5V, V OUT = 1.8V, Regulated Output,
I Q = 180 μ A, I SHDN = 10 μ A, MS8
85% Efficiency, V IN = 3.1V to 5.5V, V OUT = 1.5V, Regulated Output,
I Q = 35 μ A, I SHDN = <1 μ A, ThinSOT
Up to 85% Efficiency, V IN = 2.7V to 5.5V, V OUT = 0.9V to 1.6V,
I Q = 8 μ A, I SHDN = <1 μ A, MS10
95% Efficiency, V IN = 2.7V to 6V, V OUT Min = 0.8V,
I Q = 10 μ A, I SHDN = <1 μ A, MS8
LTC3405/LTC3405A 300mA (I OUT ), 1.5MHz, Synchronous
Step-Down DC/DC Converter
LTC3406/LTC3406B 600mA (I OUT ), 1.5MHz, Synchronous
Step-Down DC/DC Converter
95% Efficiency, V IN = 2.7V to 6V, V OUT Min = 0.8V,
I Q = 20 μ A, I SHDN = <1 μ A, ThinSOT
95% Efficiency, V IN = 2.5V to 5.5V, V OUT Min = 0.6V,
I Q = 20 μ A, I SHDN = <1 μ A, ThinSOT
LTC3411
LTC3412
LTC3440
1.25A (I OUT ), 4MHz, Synchronous Step-Down
DC/DC Converter
2.5A (I OUT ), 4MHz, Synchronous Step-Down
DC/DC Converter
600mA (I OUT ), 2MHz, Synchronous
Buck-Boost DC/DC Converter
95% Efficiency, V IN = 2.5V to 5.5V, V OUT Min = 0.8V,
I Q = 60 μ A, I SHDN = <1 μ A, MS10
95% Efficiency, V IN = 2.5V to 5.5V, V OUT Min = 0.8V,
I Q = 60 μ A, I SHDN = <1 μ A, TSSOP-16E
95% Efficiency, V IN = 2.5V to 5.5V, V OUT Min = 2.5V,
I Q = <25 μ A, I SHDN = 1 μ A, MS10
3252f
(408) 432-1900 q FAX: (408) 434-0507 www.linear.com
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
q
LT/TP 0503 1K ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2003
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3255EDD#PBF | 制造商:Linear Technology 功能描述:IC REG BUCK SWITCHED CAP 10-DFN 制造商:Linear Technology 功能描述:IC, STEP DWN CHARGE PUMP, 500KHZ, DFN-10 制造商:Linear Technology 功能描述:DP-Charge Pump/General Purpose, Wide VIN Range Fault Protected 50mA Step-Down Ch |
| LTC3255EDD#TRPBF | 制造商:Linear Technology 功能描述:IC REG BUCK SWITCHED CAP 10-DFN |
| LTC3255EMSE#PBF | 制造商:Linear Technology 功能描述:IC REG BUCK SWITCHED CAP 10-MSOP 制造商:Linear Technology 功能描述:IC, STEP DWN CHARGE PUMP, 500KHZ, MSOP10 制造商:Linear Technology 功能描述:DP-Charge Pump/General Purpose, Wide VIN Range Fault Protected 50mA Step-Down Ch 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK, ADJ, 500KHZ, MSOP-10, Primary Input Voltage:48V, No. of Outputs:1, Output Current:50mA, No. of Pins:10, Operating Temperature Min:-40C, Operating Temperature Max:125C, Package / Case:10-MSOP , RoHS Compliant: Yes |
| LTC3255EMSE#TRPBF | 制造商:Linear Technology 功能描述:IC REG BUCK SWITCHED CAP 10-MSOP 制造商:Linear Technology 功能描述:DP-Charge Pump/General Purpose, Wide VIN Range Fault Protected 50mA Step-Down Ch |
| LTC3255HDD#PBF | 制造商:Linear Technology 功能描述:IC REG BUCK SWITCHED CAP 10-DFN 制造商:Linear Technology 功能描述:IC, STEP DWN CHARGE PUMP, 500KHZ, DFN-10 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK, ADJ, 500KHZ, DFN-10, Primary Input Voltage:48V, No. of Outputs:1, Output Current:50mA, No. of Pins:10, Operating Temperature Min:-40C, Operating Temperature Max:150C, Package / Case:10-DFN , RoHS Compliant: Yes 制造商:Linear Technology 功能描述:DP-Charge Pump/General Purpose, Wide VIN Range Fault Protected 50mA Step-Down Ch |
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