参数资料
型号: LTC4253IGN#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: -48V Hot Swap Controller with Sequencer; Package: SSOP; No of Pins: 16; Temperature Range: -40°C to +85°C
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封装: 0.150 INCH, LEAD FREE, PLASTIC, SSOP-16
文件页数: 19/34页
文件大小: 369K
代理商: LTC4253IGN#PBF
LTC4253/LTC4253A
26
425353afd
applicaTions inForMaTion
50A
VSQTMRL
UV CLEARS VUVHI (VUV FOR THE LTC4253A), CHECK OV CONDITION, RESET < 0.8V, GATE < VGATEL, SENSE < VCB, SS < 20 VOS AND TIMER < VTMRL
TIMER CLEARS VTMRL, CHECK GATE < VGATEL, SENSE < VCB AND SS < 20 VOS
UV
TIMER
GATE
SENSE
SS
DRAIN
PWRGD1
PWRGD2
PWRGD3
SQTIMER
EN2
EN3
1
2
3 4 56
7
89 A B
C
D
4253 F10
INITIAL TIMING
GATE
START-UP
20 (VACL + VOS)
20 (VCB + VOS)
20 VOS
5A
UV DROPS BELOW VUVLO (VUV – VUVHST FOR THE LTC4253A). GATE, SS AND TIMER ARE PULLED DOWN, PWRGD RELEASES
VUVLO
VGATEL
VUVHI
VACL
VSQTMRH
VSQTMRL
VCB
5A
50A
VSQTMRH
VDRNCL
VDRNL
VIN – VGATEH
50A
200A + 8 IDRN
VTMRH
VTMRL
5A
Figure 10. Undervoltage Timing (All Waveforms Are Referenced to VEE)
相关PDF资料
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