参数资料
型号: LTC4252-2IMS8#PBF
厂商: Linear Technology
文件页数: 25/36页
文件大小: 328K
描述: IC CNTRLR HOTSWAP NEGVOLT 8-MSOP
标准包装: 50
类型: 热交换控制器
应用: 通用
内部开关:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 管件
LTC4252-1/LTC4252-2
LTC4252A-1/LTC4252A-2
25
425212fe
For more information www.linear.com/LTC4252-1
applicaTions inForMaTion
UV/OV
TIMER
GATE
SENSE
SS
DRAIN
PWRGD
5.8礎
58礎
58礎
5.8礎
5.8礎
UV/OV CLEARS V
UVHI
, CHECK OV CONDITION, GATE < V
GATEL
, SENSE < V
CB
, SS < 20 " V
OS
 AND TIMER < V
TMRL
1    2
3
4 5 67    8   9
TIMER CLEARS V
TMRL
, CHECK GATE < V
GATEL
, SENSE < V
CB
 AND SS < 20 " V
OS
10
11
12
425212 F12
UV/OV DROPS BELOW V
OVLO
 AND TIMER RESTARTS INITIAL TIMING CYCLE
UV/OV OVERSHOOTS V
OVHI
 AND TIMER ABORTS INITIAL TIMING CYCLE
V
ACL
V
CB
230礎 + 8 " I
DRN
20 " V
OS
V
IN
  V
GATEH
V
DRNL
V
DRNCL
20 " (V
CB
 + V
OS
)
20 " (V
ACL
 + V
OS
)
V
GATEL
V
TMRL
V
TMRH
V
OVHI
V
UVHI
V
OVLO
GATE
START-UP
INITIAL TIMING
OV
TIMER
GATE
SENSE
SS
5.8礎
58礎
58礎
5.8礎
1
2 34    5   67 8 9
425212 F13
OV DROPS BELOW V
OVLO
, CHECK GATE < V
GATEL
, SENSE < V
CB
 AND SS < 20 " V
OS
OV OVERSHOOTS V
OVHI
. GATE AND SS ARE PULLED DOWN, PWRGD AND TIMER ARE UNAFFECTED
V
ACL
V
CB
230礎 + 8 " I
DRN
20 " V
OS
V
IN
  V
GATEH
20 " (V
CB
 + V
OS
)
20 " (V
ACL
 + V
OS
)
V
GATEL
V
OVHI
V
TMRH
V
OVLO
GATE
START-UP
Figure 13. Overvoltage Timing (All Waveforms Are Referenced to V
EE
)
Figure 12. Undervoltage Timing with an Overvoltage Glitch (All Waveforms Are Referenced to V
EE
)
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