参数资料
型号: LTC4089EDJC-5#TRPBF
厂商: Linear Technology
文件页数: 6/24页
文件大小: 0K
描述: IC USB POWER MANAGER 22-DFN
标准包装: 2,500
功能: 电源管理
电池化学: 锂离子(Li-Ion)
电源电压: 4.35 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 22-WFDFN 裸露焊盘
供应商设备封装: 22-DFN(6x3)裸露焊盘
包装: 带卷 (TR)
LTC4089/LTC4089-5
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C, unless otherwise speci?ed.
1.6
High Voltage Regulator
Maximum Load Current, L = 10μH
1.8
High Voltage Regulator
Maximum Load Current, L = 33μH
550
High Voltage Regulator
Switch Voltage Drop
1.5
1.4
1.3
1.2
TYPICAL
1.6
1.5
1.4
1.3
TYPICAL
500
450
400
350
300
250
T A = 85°C
T A = 25°C
T A = –40°      C
1.2
MINIMUM
200
1.1
1.0
MINIMUM
1.1
1.0
150
100
50
0.9
5
10
15
20
25
30
35
0.9
5
10
15
20
25
30
35
0
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
V IN (V)
40895 G10
V IN (V)
40895 G11
SWITCH CURRENT (A)
40895 G12
800
780
760
740
720
700
680
660
640
620
High Voltage Regulator
Switch Frequency
800
700
600
500
400
300
200
100
High Voltage Regulator
Frequency Foldback
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
High Voltage Regulator
Soft-Start
600
–50 –25
0
25
50
75 100 125 150
0
0
1
2
3
4
5
0
0
0.25 0.50 0.75
1 1.25 1.50 1.75
2
TEMPERATURE (°C)
40895 G13
HVOUT (V)
40895 G14
High Voltage Regulator
SHDN PIN VOLTAGE (V)
40895 G15
2.0
High Voltage Switch Current Limit
7.0
Typical Minimum Input Voltage
1.9
1.8
1.7
1.6
1.5
1.4
1.3
6.8
6.6
6.4
6.2
6.0
5.8
5.6
TO START
TO RUN
1.2
1.1
T A = –40°C
T A = –5°C
T A = 25°C
5.4
5.2
1.0
0
T A = 90°C
10 20 30 40 50 60 70 80 90 100
5.0
1
10 100
1000
DUTY CYCLE (%)
40895 G16
LOAD CURRENT (mA)
40895 G17
40895fc
6
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