参数资料
型号: LTC3456
厂商: Linear Technology Corporation
元件分类: 基准电压源/电流源
英文描述: 2-Cell, Multi-Output DC/DC Converter with USB Power Manager
中文描述: 2节电池,多输出DC / DC转换器与USB电源管理器
文件页数: 7/28页
文件大小: 358K
代理商: LTC3456
7
LTC3456
3456f
Maximum V
CORE
Load Current
Capability (Output 4% Below
Regulation)
Maximum V
MAIN
Load Current
Capability (Output 4% Below
Regulation)
USB Undervoltage Lockout
USB Current Limit
A
IN
Pin Reference Voltage
WALLFB Trip Point
V
EXT
Undervoltage Lockout
V
MAX
Output Voltage
(Battery Powered)
V
MAX
Output Voltage
(USB/Wall Powered)
V
EXT
(V)
4
200
V
C
300
400
500
600
4.25
4.5
4.75
5
3456 G19
5.25
5.5
L = 10
μ
H
(USB/WALL POWERED)
V
EXT
(V)
4
100
V
M
200
300
400
500
4.25
4.5
4.75
5
3456 G20
5.25
5.5
L = 10
μ
H
(USB/WALL POWERED)
TEMPERATURE (
°
C)
–50
U
4.00
4.05
4.10
25
75
3456 G21
3.95
3.90
–25
0
50
100
125
3.85
3.80
RISING
FALLING
TEMPERATURE (
°
C)
–50
0
U
50
150
200
250
500
350
0
50
75
3456 G22
100
400
450
300
–25
25
100
125
V
USB
= 5V
USBHP = 2V
USBHP = 0V
TEMPERATURE (
°
C)
–50
1.20
W
1.22
1.24
1.26
1.28
–25
0
25
50
3456 G24
75
100
125
RISING
FALLING
TEMPERATURE (
°
C)
–50
3.50
V
E
3.75
4.00
4.25
4.50
–25
0
25
50
3456 G25
75
100
125
RISING
FALLING
V
BATT
(V)
1.6
V
M
2.0
2.5
3.0
2.8
3456 G26
1.5
1.0
2
2.4
1.8
3
2.2
2.6
3.2
0.5
0
3.5
PWRON = 2V
V
MAX
OUTPUT CURRENT = 0.5mA
PWRON = 0V
V
EXT
(V)
4
0
V
M
1
2
3
4
6
4.25
4.5
4.75
5
3456 G27
5.25
5.5
5
PWRON = 0V, 2V
V
MAX
OUTPUT CURRENT = 0.5mA
TEMPERATURE (
°
C)
–50
A
I
0.815
25
3456 G23
0.800
0.790
–25
0
50
0.785
0.780
0.820
0.810
0.805
0.795
75
100
125
V
EXT
= 5V
V
BATT
= 2.4V
TYPICAL PERFOR U
T
A
= 25
°
C unless otherwise specified.
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