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UCC24636DBVT bảng dữ liệu(PDF) 5 Page - Texas Instruments

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tên linh kiện UCC24636DBVT
Giải thích chi tiết về linh kiện  Synchronous Rectifier (SR) Controller
PDF  35 Pages
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UCC24636DBVT bảng dữ liệu(HTML) 5 Page - Texas Instruments

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UCC24636
www.ti.com
SLUSCG2A – MARCH 2016 – REVISED MARCH 2016
Product Folder Links: UCC24636
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
7.5 Electrical Characteristics
over operating free-air temperature, VDD = 12 V, TA = –40°C to 125°C, TA = TJ (unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
SUPPLY INPUT
IRUN
Supply current, run
IDRV = 0, run state, FSW = 0 kHz
0.9
1.2
mA
ISTBY
Supply current, standby
IDRV = 0, standby mode
110
160
µA
UNDER-VOLTAGE LOCKOUT
VVDD(on)
VDD turn-on threshold
VVDD low to high
3.9
4
4.3
V
VVDD(off)
VDD turn-off threshold
VVDD high to low
3.3
3.6
3.7
V
DRV
RDRVLS
DRV low-side drive resistance
IDRV = 100 mA
1
2
Ω
VDRVST
DRV pull down in start-up
VDD= 0 to 2 V, IDRV= 10 µA
0.95
V
VDRCL
DRV clamp voltage
VVDD = 30 V
11
13
15
V
VPMOS
Disable PMOS high-side drive
VDD voltage to disable rail-to-rail
drive, VDD rising
9.3
10
10.5
V
VPMOS-HYS
PMOS enable hysteresis
VDD voltage hysteresis to enable rail
to rail drive, VDD falling
0.75
1
1.25
V
VDRHI
DRV pull-up high voltage
VVDD = 5 V, IDRV = 15 mA
4.6
4.75
5
V
VSC INPUT
VVSCEN
SR enable voltage
VVSC > VVSCEN, VVSC rising
250
300
340
mV
VVSC-HYS
SR enable hysteresis
VVSC falling
50
mV
VVSCDIS
SR disable voltage
220
250
280
mV
IVSC
Input bias current
VVSC = 2 V
–0.25
0
0.4
µA
VPC INPUT
VVPCEN
SR enable voltage
VVPCEN < VVPC
345
400
450
mV
VVPCDIS
VPC threshold to disable SR
VVPC > VVPCDIS
2.6
2.85
3.1
V
VVPC-TH
Threshold of VVPC rising edge
VVPC = 0.95 V, VVPC-TH = 0.85 x VVPC
previous cycle
0.76
0.808
0.86
V
VVPC-TH-CLP
Clamp threshold of VVPC rising edge
VVPC = 2 V
0.9
1
1.1
V
IVPC
Input bias current
VVPC = 2 V
–0.25
0
0.4
µA
CURRENT EMULATOR
RatioVPC_VSC
KVPC/KVSC
VVPC = 1.25 V, tVPC = 1 µs,
VVSC = 1.25 V
3.97
4.17
4.35
VVPC = 1.25 V, tVPC = 5 µs,
VVSC = 1.25 V
3.95
4.17
4.37
VVPC = 2 V, tVPC = 1 µs,
VVSC = 1.25 V
3.85
4.09
4.26
VVPC = 1.25 V, tVPC = 1 µs,
VVSC = 0.45 V
3.85
4.07
4.28



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