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| 型号： | LTC3240EDC-2.5#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG 2.5V 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： | 2.5V |
| 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
ELECTRICAL CHARACTERISTICS The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C, ? S ? H ? D ? N = V IN , C FLY = 1μF, C IN = 1μF, C OUT = 4.7μF unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
R OL
Effective Open-Loop
Output Resistance
Doubler Mode
LTC3240-3.3
LTC3240-2.5
V IN = 1.8V, V OUT = 3V
V IN = 1.8V, V OUT = 2.25V
7.5
8.0
Ω
Ω
(Note 3)
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC3240-3.3/LTC3240-2.5 are guaranteed to meet
performance speci?cations from 0°C to 85°C. Speci?cations over the
–40°C to 85°C operating temperature range are assured by design,
characterization and correlation with statistical process controls.
Note 3: R OL ≡ (2V IN – V OUT )/I OUT
Note 4: Failure to solder the exposed backside of the package to a PCB
ground plane will result in a thermal resistance much higher than 80°C/W.
TYPICAL PERFOR A CE CHARACTERISTICS
unless otherwise noted)
(T A = 25°C, C FLY = C IN = 1μF, C OUT = 4.7μF
1.8
Oscillator Frequency vs Supply
Voltage (Doubler Mode)
1.0
? S ? H ? D ? N Threshold Voltage
vs Supply Voltage
700
Short-Circuit Current
vs Supply Voltage
1.6
0.8
25 ° C
–40 ° C
600
1.4
1.2
25 ° C
–40 ° C
85 ° C
0.6
0.4
85 ° C
500
400
300
1.0
200
0.8
0.2
SHUTDOWN
100
HYSTERESIS
0.6
1.8
2.2
2.6 3.0 3.4
3.8
0
1.80 2.30 2.80 3.30 3.80 4.30 4.80 5.30 5.80
0
1.7
2.2
2.7
3.2
3.7
4.2
4.7
5.2
5.7
SUPPLY VOLTAGE (V)
3240 G01
Start-Up Time vs Supply Voltage
SUPPLY VOLTAGE (V)
3240 G02
Load Regulation (LTC3240-3.3)
SUPPLY VOLTAGE (V)
3240 G03
Load Regulation (LTC3240-2.5)
1000
I LOAD = 50mA
3.40
2.60
900
800
3.35
V IN = 3.7V
2.55
V IN = 2.8V
700
3.30
2.50
600
V IN = 2.5V
V IN = 1.8V
V IN = 2.4V
500
3.25
V IN = 1.8V
2.45
400
1.6 1.8 2
2.2 2.4 2.6 2.8
3 3.2 3.4 3.6
3.20
0
30
60
90
120
150
2.40
0
30
60
90
120
150
V IN (V)
3240 G04
LOAD CURRENT (mA)
3240 G05
LOAD CURRENT (mA)
3240 G06
3240fb
3
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| LTC3240EDC-3.3#TRMPBF | 功能描述:IC REG MULTI CONFIG 3.3V 6DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:High Efficiency Current Mode Switching Regulators CMOS LDO Regulators 特色产品:BD91x Series Step-Down Regulators 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:两者兼有 输出数:2 输出电压:3.3V，0.8 V ~ 2.5 V 输入电压:4.5 V ~ 5.5 V PWM 型:电流模式 频率 - 开关:1MHz 电流 - 输出:1.5A 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:20-VFQFN 裸露焊盘 包装:带卷 (TR) 供应商设备封装:VQFN020V4040 产品目录页面:1373 (CN2011-ZH PDF) 其它名称:BD9152MUV-E2TR |
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