参数资料
型号: LTC3429ES6#TRM
厂商: Linear Technology
文件页数: 3/12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:
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)
Single-Cell to 3.3V Efficiency
2-Cell to 3.3V Efficiency
(LTC3429 Only)
(LTC3429 Only)
Efficiency vs Input Voltage
100
90
80
EFFICIENCY
V IN = 1.5V
100
10
1
100
90
80
EFFICIENCY
V IN = 3V
V IN = 2.4V
100
10
1
100
90
80
V OUT = 3.3V
I OUT = 50mA
V IN = 1.2V
70
60
V IN = 1.2V
0.1
0.01
70
60
V IN = 2.4V
V IN = 3V
0.1
0.01
70
60
V IN = 1.5V
50
POWER LOSS
0.001
50
POWER LOSS
0.001
50
V IN > V OUT
PMOS LDO
MODE
40
0.1
1
10 100
0.0001
1000
40
0.1
1
10 100
0.0001
1000
40
0.5
1.5 2.5 3.5
4.5
OUTPUT CURRENT (mA)
2-Cell to 5V Efficiency
3429 G01
OUTPUT CURRENT (mA)
Li-Ion to 5V Efficiency
3429 G02
INPUT VOLTAGE (V)
Burst Mode Output Current
Threshold vs Input Voltage
3429 G05
100
90
(LTC3429 Only)
V IN = 3V
100
10
100
90
(LTC3429 Only)
V IN = 4.2V
100
10
35
30
(LTC3429 Only)
L = 4.7 μ H
80
EFFICIENCY
V IN = 2.4V
1
80
EFFICIENCY
V IN = 3.6V
1
25
20
70
60
V IN = 2.4V
V IN = 3V
POWER LOSS
0.1
0.01
70
60
V IN = 3.6V
V IN = 4.2V
POWER LOSS
0.1
0.01
15
10
V OUT = 3.3V
V OUT = 5V
50
0.001
50
0.001
5
40
0.1
1
10 100
0.0001
1000
40
0.1
1
10 100
0.0001
1000
0
0.9
1.4
1.9
2.4
2.9
3.4
3.9
4.4
OUTPUT CURRENT (mA)
3429 G03
No Load Input Current
vs Input Voltage (LTC3429 Only)
OUTPUT CURRENT (mA)
3429 G04
Maximum Load Current
Capability at Output 4% Below
Regulation Point
INPUT VOLTAGE (V)
3429 G06
Minimum Start-Up Input Voltage
vs Load Current
1000
L = 4.7 μ H
600
500
L = 4.7 μ H
1.9
1.7
CURRENT
SINK LOAD
400
1.5
100
V OUT = 5V
300
V OUT = 3.3V
1.3
RESISTOR
LOAD
V OUT = 5V
V OUT = 3.3V
200
100
1.1
0.9
10
0.9
1.4
1.9
2.4
2.9 3.4
3.9
4.4
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0.7
0
50 100
150
INPUT VOLTAGE (V)
3429 G07
INPUT VOLTAGE (V)
3429 G08
OUTPUT CURRENT (mA)
3429 G09
3429fa
3
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