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参数资料
| 型号： | LTC3527EUD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/22页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC ADJ DL 16QFN |
| 标准包装： | 121 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 1.6 V ~ 5.25 V |
| 输入电压： | 0.5 V ~ 5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.2MHz，2.2MHz |
| 电流 - 输出： | 400mA，800mA |
| 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： | 16-WFQFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 16-QFN（3x3） |
LTC3527/LTC3527-1
TYPICAL PERFORMANCE CHARACTERISTICS
Maximum Output Current
(T A = 25°C, unless otherwise noted)
Maximum Output Current
No-Load Input Current vs V IN
vs V IN for Converter 1
vs V IN for Converter 2
180
160
140
120
100
V OUT = 5V
1.2MHz
800
700
600
500
400
V OUT =
1.8V
V OUT =
2.5V
V OUT = 3.3V
500
450
400
350
300
250
V OUT =
1.8V
V OUT =
2.5V
V OUT = 3.3V
80
60
40
300
200
V OUT = 5V
200
150
100
V OUT = 5V
20
0
0.5
V OUT =
1.8V
1
1.5
2
V OUT =
2.4V
2.5
3
V OUT = 3.3V
3.5 4
4.5
100
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
50
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
V IN (V)
35271 G09
Minimum Load Resistance During
Start-Up vs V IN
V IN (V)
35271 G10
Burst Mode Threshold Current
vs V IN for V OUT1 = V OUT2 = 1.8V
V IN (V)
35271 G11
Burst Mode Threshold Current
vs V IN for V OUT1 = V OUT2 = 3.3V
1000
14
2.2MHz OPERATION
25
2.2MHz OPERATION
12
CONVERTER 1
CONVERTER 2
20
CONVERTER 1
CONVERTER 2
LEAVE
BURST
10
100
CONVERTER 2
8
6
LEAVE BURST
15
10
ENTER
BURST
4
CONVERTER 1
2
ENTER BURST
5
10
0.635 0.685 0.735 0.785 0.835 0.885 0.935
0
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
0
0
1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
V IN (V)
70
60
35271 G12
Burst Mode Threshold Current
vs V IN for V OUT1 = V OUT2 = 5V
2.2MHz OPERATION
CONVERTER 1
CONVERTER 2
V IN (V)
2.50
35271 G13
Oscillator Frequency
vs Temperature
FSEL = 3.3V
V IN (V)
35271 G14
50
40
LEAVE BURST
ENTER BURST
2.00
V IN = 1.2V
V OUT = 3.3V
30
20
10
1.50
FSEL = 0V
0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
1.00
–45 –30 –15
0
15
30
45
60
75
90
V IN (V)
35271 G15
TEMPERATURE (°C)
35271 G16
35271fc
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3527EUD-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| LTC3527EUD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| LTC3528 | 制造商:LINER 制造商全称:Linear Technology 功能描述:400mA Step-Up DC/DC Converter with Maximum Power Point Control and 250mV Start-Up |
| LTC3528-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1A, 2MHz Synchronous Step-Up DC/DC Converter in 2mm × 3mm DFN |
| LTC3528B | 制造商:LINER 制造商全称:Linear Technology 功能描述:400mA Step-Up DC/DC Converter with Maximum Power Point Control and 250mV Start-Up |
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