参数资料
型号: LTC3528BEDDB#TRPBF
厂商: Linear Technology
文件页数: 4/18页
文件大小: 0K
描述: IC REG BOOST SYNC ADJ 1A 8DFN
标准包装: 2,500
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 1.6 V ~ 5.25 V
输入电压: 0.5 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 1MHz
电流 - 输出: 1A
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: 8-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 8-DFN(3x2)
LTC3528/LTC3528B
TYPICAL PERFORMANCE CHARACTERISTICS
(T A = 25°C unless otherwise noted)
Efficiency vs Load Current and V IN
for V OUT = 3.3V (LTC3528)
Efficiency vs Load Current and V IN
for V OUT = 5V (LTC3528)
No-Load Input Current vs V IN
(LTC3528)
100
1000
100
1000
130
V IN = 1.2V
V IN = 1.8V
V IN = 3V
V IN = 1.2V
V IN = 4.2V
90
80
70
60
50
40
30
0.01
EFFICIENCY
0.1
1
POWER
V IN = 2.4V
10 100 1000
100
10
LOSS 1
0.1
0.01
90
80
70
60
50
40
30
0.01
EFFICIENCY
0.1
1
POWER
LOSS
V IN = 2.4V
V IN = 3.6V
10 100 1000
100
10
1
0.1
110
90
70
50
30
10
1
2
3
V OUT = 1.8V
V OUT = 3V
V OUT = 3.3V
V OUT = 5V
4
5
800
700
600
500
400
300
200
LOAD CURRENT (mA)
3528 G02
Maximum Output Current vs V IN
10000
1000
100
LOAD CURRENT (mA)
3528 G03
Minimum Load Resistance During
Start-Up vs V IN
130
120
110
100
90
80
70
V IN (V)
Start-Up Delay Time vs V IN
3528 G04
100
0
1
1.5
2
2.5
3
V OUT = 1.8V
V OUT = 3.3V
V OUT = 5V
3.5 4 4.5
10
0.7
0.8
0.9
1
60
50
1
1.5
2
2.5
3
3.5
4
4.5
V IN (V)
3528 G05
V IN (V)
3528 G06
V IN (V)
3528 G07
Burst Mode Threshold Current
vs V IN
Burst Mode Threshold Current
vs V IN
Burst Mode Threshold Current
vs V IN
40
V OUT = 1.8V
50
V OUT = 3V
60
V OUT = 3.3V
30
40
EXIT BURST
30
EXIT BURST
40
EXIT BURST
20
ENTER BURST
20
ENTER BURST
20
ENTER BURST
10
10
0
1
1.1
1.2
1.3
1.4
1.5
0
1
1.5
2
2.5
0
1
1.5
2
2.5
3
V IN (V)
3528 G08
V IN (V)
3528 G09
V IN (V)
3528 G10
3528fd
4
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