参数资料
型号: LTC4266CGW#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, PDSO36
封装: 0.300 INCH, LEAD FREE, PLASTIC, SSOP-36
文件页数: 28/30页
文件大小: 414K
代理商: LTC4266CGW#TRPBF
LTC4266
4266fa
typicAl perForMAnce chArActeristics
PowerOnSequenceinAutoMode
PoweringUpintoa180FLoad
802.3afClassificationin
AutoMode
2-EventClassificationin
AutoMode
ClassificationTransientResponse
to40mALoadStep
ClassificationCurrentCompliance
VDDSupplyCurrentvsVoltage
100ms/DIV
–70
–60
POR
TVOL
TAGE
(V)
10
0
–10
–20
–30
–40
–50
4266 G01
PORT 1
VDD = 3.3V
VEE = –54V
FORCED CURRENT DETECTION
FORCED VOLTAGE
DETECTION
802.3af
CLASSIFICATION
POWER ON
GND
VEE
5ms/DIV
GND
0mA
4266 G02
VEE
GATE
VOLTAGE
10V/DIV
PORT
CURRENT
200 mA/DIV
PORT
VOLTAGE
20V/DIV
FOLDBACK
FET ON
425mA
CURRENT LIMIT
LOAD
FULLY
CHARGED
VDD = 3.3V
VEE = –54V
5ms/DIV
VEE
–18.4
PORT
VOLTAGE
10V/DIV
GND
4266 G03
PORT 1
VDD = 3.3V
VEE = –55V
PD IS CLASS 1
10ms/DIV
VEE
–17.6
PORT
VOLTAGE
10V/DIV
GND
4266 G04
PORT 1
VDD = 3.3V
VEE = –55V
PD IS CLASS 4
1ST CLASS EVENT
2ND CLASS EVENT
50s/DIV
40mA
0mA
4266 G05
–20V
PORT
VOLTAGE
1V/DIV
PORT
CURRENT
20mA/DIV
VDD = 3.3V
VEE = –54V
CLASSIFICATION CURRENT
–20
CLASSIFICA
TION
VOL
TAGE
(V)
–18
–16
–14
–12
–10
–8
–6
–4
–2
0
10
20
30
4266 G06
40
50
60
70
VDD = 3.3V
VEE = –54V
TA = 25°C
VDD SUPPLY VOLTAGE (V)
2.7
0.8
I DD
SUPPL
YCURRENT
(mA)
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
2.9 3.1 3.3 3.5
4266 G07
3.7 3.9 4.1 4.3
–40°C
25°C
85°C
VEESupplyCurrentvsVoltage
802.3atILIMThresholdvs
Temperature
VEE SUPPLY VOLTAGE (V)
–60
2.0
I EE
SUPPL
YCURRENT
(mA)
2.1
2.2
2.3
2.4
–55 –50 –45 –40
4266 G08
–35 –30 –25 –20
–40°C
25°C
85°C
TEMPERATURE (°C)
–40
210
V LIM
(mV)
ILIM
(mA)
211
213
212
214
215
840
844
852
848
856
860
0
40
4266 G09
–80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 48h = C0h
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