参数资料
型号: LTC3250ES6-1.2#TRM
厂商: Linear Technology
文件页数: 12/12页
文件大小: 0K
描述: IC REG BUCK 1.2V 0.25A SOT23-6
标准包装: 500
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: 2.7 V ~ 5.5 V
PWM 型: Burst Mode?
频率 - 开关: 1.5MHz
电流 - 输出: 250mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-6
包装: 带卷 (TR)
供应商设备封装: SOT-23-6
其它名称: LTC3250ES6-1.2
LTC3250ES6-1.2-ND
LTC3250-1.5/LTC3250-1.2
TYPICAL APPLICATIO
Multiple High Efficiency Outputs from Single Li-Ion Battery
Li-Ion
1 μ F
5
3
2
V IN V OUT
LTC3200-5
SHDN C +
GND C –
1
6
4
1 μ F
1 μ F
5V
100mA
7
V IN
OUT
6
3.3V
500mA
10 μ F
2
MODE
SW1
3
22 μ F
8
60k 1
LTC3440
SHDN SW2
RT
FB
4
9
10 μ H
340k
5
GND
V C
10
200k
300pF
120k
10 μ F
1 μ F
1
8
2
3
V IN OUT
LTC1911-1.8
SHDN C1 +
C2 + C1 –
C2 –
GND
6
7
5
4
1 μ F
10 μ F
1.8V
250mA
OFF ON
1
3
V IN
SHDN
OUT
C +
5
6
4.7 μ F
1.5V
250mA
1 μ F
2
LTC3250-1.5
GND C –
4
1 μ F
3250-1.5 TA04
RELATED PARTS
PART NUMBER
LTC1514
LTC1515
LT1776
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
COMMENTS
V IN : 2.7V to 10V, V OUT : 3V/5V,
Regulated Output, I Q : 60 μ A, I SD : 10 μ A, S8 Package
V IN : 2.7V to 10V, V OUT : 3.3V or 5V,
Regulated Output, I Q : 60 μ A, I SD : <1 μ A, S8 Package
90% Efficiency, V IN : 7.4V to 40V, V OUT(MIN) : 1.24V,
I Q : 3.2mA, I SD : 30 μ A, N8,S8 Packages
LTC1911-1.5/LTC1911-1.8 250mA,1.5MHz, High Efficiency Step-Down
Charge Pump
75% Efficiency, V IN : 2.7V to 5.5V, V OUT : 1.5V/1.8V,
Regulated Output, I Q : 180 μ A, I SD : 10 μ A, MS8 Package
LTC3251
LTC3252
LTC3405/LTC3405A
LTC3406/LTC3406B
LTC3411
LTC3412
LTC3440
LTC3441
500mA, Spread Spectrum, High Efficiency
Step-Down Charge Pump
Dual 250mA (I OUT ), Spread Spectrum, Inductorless (CS),
Step-Down DC/DC Converter
300mA (I OUT ), 1.5MHz, Synchronous Step-Down
DC/DC Converter
600mA (I OUT ), 1.5MHz, Synchronous Step-Down
DC/DC Converter
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
1.2A (I OUT ), 1MHz, Synchronous Buck-Boost
DC/DC Converter
Up to 90% Efficiency, V IN : 2.7V to 5.5V, V OUT : 0.9V to 1.6V,
Regulated Output, I Q : 9 μ A, I SD : <1 μ A, MS Package
Up to 90% Efficiency, V IN : 2.7V to 5.5V, V OUT : 0.9V to 1.6V,
I Q : 60 μ A, I SD : <1 μ A, DFN Package
95% Efficiency, V IN : 2.7V to 6V, V OUT(MIN) : 0.8V,
I Q : 20 μ A, I SD : <1 μ A, ThinSOT Package
95% Efficiency, V IN : 2.5 to 5.5V, V OUT(MIN) : 0.6V,
I Q : 20 μ A, I SD : <1 μ A, ThinSOT Package
95% Efficiency, V IN : 2.5V to 5.5V, V OUT(MIN) : 0.8V,
I Q : 60 μ A, I SD : <1 μ A, MS Package
95% Efficiency, V IN : 2.5V to 5.5V, V OUT(MIN) : 0.8V,
I Q : 60 μ A, I SD : <1 μ A, TSSOP16E Package
95% Efficiency, V IN : 2.5V to 5.5V, V OUT : 2.5V to 5.5V,
I Q : 25 μ A, I SD : <1 μ A, MS Package
95% Efficiency, V IN : 2.4V to 5.5V, V OUT : 2.4V to 5.25V,
I Q : 25 μ A, I SD : <1 μ A, DFN Package
3250fa
(408) 432-1900 FAX: (408) 434-0507 q www.linear.com
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
q
LT/TP 1203 1K REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2001
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