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参数资料
| 型号： | LTC3429ES6#TRM |
| 厂商： | Linear Technology |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC ADJ .6A TSOT23-6 |
| 标准包装： | 500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.5 V ~ 4.3 V |
| 输入电压： | 0.5 V ~ 4.4 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 500kHz |
| 电流 - 输出： | 600mA |
| 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： | SOT-23-6 细型，TSOT-23-6 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | TSOT-23-6 |
| 其它名称： | LTC3429ES6 LTC3429ES6-ND |
LTC3429/LTC3429B
TYPICAL PERFOR A CE CHARACTERISTICS (T A = 25 ° C unless otherwise specified)
Normalized Oscillator Frequency
Burst Mode Quiescent Current
Output Voltage vs Temperature
vs Temperature
vs Temperature (LTC3429 Only)
3.44
V IN = 1.5V
1.02
40
3.40
I OUT = 30mA
1.00
35
V OUT = 5V
3.36
30
3.32
3.28
3.24
3.20
0.98
0.96
0.94
25
20
15
10
5
V OUT = 3.3 V
3.16
–60 –40 –29
0
20
40
60
80
100
0.92
–60 –40 –20
0
20
40
60
80
100
0
–60 –40 –20
0
20
40
60
80
100
V SW
1V/DIV
TEMPERATURE ( ° C)
SW Pin Fixed Frequency
Continuous Mode Operation
3429 G10
V SW
1V/DIV
TEMPERATURE ( ° C)
SW Pin Discontinuous Mode
Antiringing Operation
3429 G11
V OUT
100mV/DIV
AC-COUPLED
50mA
I OUT
120 μ A
TEMPERATURE ( ° C)
3429 G12
Fixed Frequency and Burst Mode
Operation (LTC3429 Only)
V IN = 1.5V
V OUT = 3.3V
I OUT = 50mA
L = 10 μ H
200ns/DIV
3429 G13
V IN = 1.5V
V OUT = 3.3V
I OUT = 20mA
L = 10 μ H
200ns/DIV
3429 G14
V IN = 1.5V 5ms/DIV
V OUT = 3.3V
I OUT = 120 μ A TO 50mA STEP
L = 10 μ H
3429 G15
C OUT = 10 μ F
C PL = 150pF
Output Voltage Transient
Response
V OUT
100mV/DIV
AC-COUPLED
C OUT = 10 μ F
C PL = 150pF
Inrush Current Control
and Soft-Start
V OUT
1V/DIV
C OUT = 10 μ F
C PL = 150pF
Inrush Current Control
and Soft-Start
V OUT
2V/DIV
I OUT
90mA
40mA
INDUCTOR
CURRENT
100mA/DIV
INDUCTOR
CURRENT
200mA/DIV
V IN = 1.5V 100 μ s/DIV
V OUT = 3.3V
I OUT = 40mA TO 90mA STEP
L = 10 μ H
3429 G16
V IN = 1.5V
V OUT = 3.3V
I OUT = 10mA
L = 4.7 μ H
500 μ s/DIV
3429 G17
V IN = 2.5V
V OUT = 5V
I OUT = 50mA
L = 4.7 μ H
2ms/DIV
3429 G18
C OUT = 10 μ F
C PL = 150pF
C OUT = 10 μ F
C PL = 100pF
C OUT = 10 μ F
C PL = 100pF
3429fa
4
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