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参数资料
| 型号： | LTC3240EDC-3.3#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG 3.3V 6DFN |
| 标准包装： | 2,500 |
| 类型： | 降压（降压），升压（升压），切换电容（充电泵） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V |
| 输入电压： | 1.8 V ~ 5.5 V |
| PWM 型： | Burst Mode? |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 150mA |
| 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： | 6-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 6-DFN-EP（2x2） |
LTC3240-3.3/LTC3240-2.5
TYPICAL PERFOR A CE CHARACTERISTICS
unless otherwise noted)
(T A = 25°C, C FLY = C IN = 1μF, C OUT = 4.7μF
Effective Open-Loop Resistance
vs Temperature (LTC3240-3.3)
No-Load Input Current
vs Supply Voltage (LTC3240-3.3)
No-Load Input Current
vs Supply Voltage (LTC3240-2.5)
10
9
8
7
6
V IN = 1.8V
V OUT = 3V
100
90
80
70
60
50
40
30
20
10
100
90
80
70
60
50
40
30
20
10
5
–40
–15
10
35
60
85
0
1.7 2.2
2.7
3.2 3.7
4.2
4.7
5.2
5.7
0
1.7 2.2
2.7
3.2 3.7
4.2
4.7
5.2
5.7
TEMPERATURE ( ° C)
3240 G07
Mode Switch Threshold
vs Load Current (LTC3240-3.3)
SUPPLY VOLTAGE (V)
3240 G08
Mode Switch Threshold
vs Load Current (LTC3240-2.5)
SUPPLY VOLTAGE (V)
Ef?ciency vs Supply Voltage
(LTC3240-3.3)
3240 G09
3.80
3.75
3.70
3.65
3.60
3.55
3.50
3.45
DOUBLER TO
LDO MODE
(V IN RISING)
LDO TO
DOUBLER MODE
(V IN FALLING)
2.95
2.90
2.85
2.80
2.75
2.70
DOUBLER TO LDO
MODE (V IN RISING)
LDO TO DOUBLER
MODE (V IN FALLING)
100
90
80
70
60
50
40
30
20
10
LDO TO DOUBLER
MODE (V IN FALLING)
I LOAD = 40mA
I LOAD = 1mA
DOUBLER TO LDO
MODE (V IN RISING)
3.40
0
20
40
60
80
100 120 140 160
2.65
0
20
40
60
80
100 120 140 160
0
1.80 2.30 2.80 3.30 3.80 4.30 4.80 5.30 5.80
I LOAD (mA)
3240 G10
V OUT Soft-Start (LTC3240-3.3)
I LOAD (mA)
3240 G11
Output Noise/Ripple
(LTC3240-3.3)
SUPPLY VOLTAGE (V)
3240 G12
V OUT
2V/DIV
V OUT
20mV/DIV
AC COUPLED
SHDN
2V/DIV
V IN = 2.4V
R LOAD = 66 ?
200 μ s/DIV
3240 G13
V IN = 2.4V
I LOAD = 100mA
500ns/DIV
3240 G14
3240fb
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3245 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide VIN Range, Low Noise, 250mA Buck-Boost Charge Pump |
| LTC3245EDE#PBF | 制造商:Linear Technology 功能描述:Charge Pump STPUP/STPDN 2.5V to 5V/3.3V/5V 250mA 12-Pin DFN EP 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG .25A 12DFN 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK/BOOST, FIXED/ADJ, 450KHZ, DFN-12; Primary Input Voltage:38V; No. of Outputs:1; Output Current:250mA; No. of Pins:12; Operating Temperature Min:-40C; Operating Temperature Max:125C; Package / Case:12-DFN ;RoHS Compliant: Yes |
| LTC3245EDE#TRPBF | 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG .25A 12DFN 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK/BOOST, FIXED/ADJ, 450KHZ, DFN-12; Primary Input Voltage:38V; No. of Outputs:1; Output Current:250mA; No. of Pins:12; Operating Temperature Min:-40C; Operating Temperature Max:125C; Package / Case:12-DFN ;RoHS Compliant: Yes |
| LTC3245EMSE#PBF | 制造商:Linear Technology 功能描述:Charge Pump STPUP/STPDN 2.5V to 5V/3.3V/5V 250mA 12-Pin MSOP EP 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG .25A 12MSOP 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK/BOOST, FIXED/ADJ, 450KHZ, MSOP-12; Primary Input Voltage:38V; No. of Outputs:1; Output Current:250mA; No. of Pins:12; Operating Temperature Min:-40C; Operating Temperature Max:125C; Package / Case:12-MSOP ;RoHS Compliant: Yes |
| LTC3245EMSE#TRPBF | 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG .25A 12MSOP 制造商:Linear Technology 功能描述:DC-DC CONV, BUCK/BOOST, FIXED/ADJ, 450KHZ, MSOP-12; Primary Input Voltage:38V; No. of Outputs:1; Output Current:250mA; No. of Pins:12; Operating Temperature Min:-40C; Operating Temperature Max:125C; Package / Case:12-MSOP ;RoHS Compliant: Yes |
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