參數(shù)資料
型號(hào): LTC4266CUHF#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, PQCC38
封裝: 5 X 7 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38
文件頁數(shù): 29/30頁
文件大小: 414K
代理商: LTC4266CUHF#PBF
LTC4266
4266fa
typicAl perForMAnce chArActeristics
802.3afILIMThresholdvs
Temperature
DCDisconnectThresholdvs
Temperature
CurrentLimitFoldback
ADCNoiseHistogram
CurrentReadbackinFastMode
ADCIntegralNonlinearity
CurrentReadbackinFastMode
TEMPERATURE (°C)
–40
105.00
V LIM
(mV)
ILIM
(mA)
106.50
105.75
107.25
108.00
420
423
426
429
432
0
40
4266 G10
80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 48h = 80h
PORT 1
802.3atICUTThresholdvs
Temperature
802.3afICUTThresholdvs
Temperature
TEMPERATURE (°C)
–40
158
V CUT
(mV)
ICUT
(mA)
161
160
159
162
163
630
636
640
648
644
652
0
40
4266 G11
80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 47h = E2h
PORT 1
TEMPERATURE (°C)
–40
93.00
V CUT
(mV)
ICUT
(mA)
94.50
93.75
95.25
96.00
372
375
378
381
384
0
40
4266 G12
80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 47h = D4h
PORT 1
TEMPERATURE (°C)
–40
V MIN
(mV)
IMIN
(mV)
7.00
7.50
7.25
7.75
8.00
1.7500
1.8125
1.8750
1.9375
2.0000
0
40
4266 G13
80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 47h = E2h
PORT 1
VOUTn (V)
–54
0
I LIM
(mA)
VLIM
(mV)
900
800
700
600
500
400
300
200
100
0
225
200
175
150
125
100
75
50
25
–36
–45
–27
4266 G14
–18
–9
0
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 48h = C0h
ADC OUTPUT
191
0
B IN
COUNT
400
350
300
250
200
150
100
50
193
192
194
4266 G15
195
196
VSENSEn – VEE = 110.4mV
CURRENT SENSE RESISTOR INPUT VOLTAGE (mV)
0
ADC
INTEGRAL
NONLINEARIT
Y(LSBs)
0
0.5
400
4266 G16
–0.5
–1.0
100
200 250
500
1.0
300
50
150
450
350
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