参数资料
型号: LTC3456EUF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: ECONOLINE: RSZ/P - 1kVDC
中文描述: 0.9 A BATTERY CHARGE CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PQCC24
封装: 4 X 4 MM, PLASTIC, MO-220-WGGD, QFN-24
文件页数: 8/28页
文件大小: 358K
代理商: LTC3456EUF
8
LTC3456
3456f
Switching Waveforms
(Battery Powered)
Switching Waveforms
(Wall/USB Powered)
USB
Battery Switchover
(Main Converter Transient
Waveforms)
USB
Battery Switchover
(Core Converter Transient
Waveforms)
Power Up/Power Down
Sequencing (Battery Powered)
Power Supply Sequencing
(Battery Powered)
I
L1
50mA/DIV
V
5V/DIV
I
L2
200mA/DIV
V
SW2_BST
0.5
μ
s/DIV
V
BATT
= 2.4V
V
PWRON
= 2V
I
CORE
I
MAIN
= 100mA
3456 G28
I
L1
200mA/DIV
V
5V/DIV
I
L3
100mA/DIV
V
SW2_BK
0.5
μ
s/DIV
V
EXT
= 5V
V
PWRON
= 2V
I
CORE
I
MAIN
= 100mA
3456 G29
V
100mV/DIV
(AC COUPLED)
I
L2
200mA/DIV
I
L3
100mA/DIV
SUSPEND
5V/DIV
200
μ
s/DIV
V
USB
= 5V
V
USBHP
= 5V
V
BATT
= 2.4V
I
CORE
= 100mA
I
MAIN
= 100mA
3456 G30
V
100mV/DIV
(AC COUPLED)
I
L1
100mA/DIV
SUSPEND
5V/DIV
200
μ
s/DIV
V
USB
= 5V
V
USBHP
= 5V
V
BATT
= 2.4V
I
CORE
= 100mA
I
MAIN
= 100mA
3456 G31
V
PWRON
5V/DIV
V
5V/DIV
V
2V/DIV
RESET
5V/DIV
100ms/DIV
V
BATT
= 2.4V
I
CORE
= 10mA
I
MAIN
= 10mA
3456 G32
V
5V/DIV
V
5V/DIV
V
2V/DIV
V
5V/DIV
200
μ
s/DIV
V
BATT
= 2.4V
I
CORE
= 5mA
3456 G33
TYPICAL PERFOR U
T
A
= 25
°
C unless otherwise specified.
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