参数资料
型号: DC859A
厂商: Linear Technology
文件页数: 29/32页
文件大小: 0K
描述: EVAL BOARD FOR LTC4267
设计资源: DC859A Design File
DC859A Schematic
标准包装: 1
主要目的: 电源管理,以太网供电(POE)
嵌入式:
已用 IC / 零件: LTC4267
已供物品:
LTC4267
6
4267fc
Reference Voltage vs
Temperature
Reference Voltage vs
Supply Voltage
Oscillator Frequency vs
Temperature
Oscillator Frequency vs
Supply Voltage
PVCC Undervoltage Lockout
Thresholds vs Temperature
PVCC Shunt Regulator Voltage vs
Temperature
IPVCC Supply Current vs
Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
UW
PVCC SUPPLY VOLTAGE (V)
6
799.0
V
FB
VOLTAGE
(mV)
799.2
799.6
799.8
800.0
801.0
800.4
7
8
8.5
4267 G11
799.4
800.6
800.8
800.2
6.5
7.5
9
9.5
TA = 25°C
PVCC ≤ VCLAMP1mA
TEMPERATURE (°C)
–50
OSCILLATOR
FREQUENCY
(kHz)
–10
30
70
110
4267 G13
–30
10
50
90
PVCC = 8V
(WITH RESPECT TO PGND)
240
230
220
210
200
190
180
PVCC SUPPLY VOLTAGE (V)
6
190
OSCILLATOR
FREQUENCY
(kHz)
194
198
202
6.5
7
7.5
8
4267 G14
8.5
206
210
192
196
200
204
208
9
TA = 25°C
TEMPERATURE (°C)
–50
5.0
P
VCC
UNDERVOLTAGE
LOCKOUT
(V)
5.5
6.5
7.0
7.5
10.0
8.5
–10
30
50
4267 G16
6.0
9.0
9.5
8.0
–30
10
80
90
110
VTURNON
VTURNOFF
TEMPERATURE (°C)
–50
9.0
P
VCC
(V)
9.1
9.3
9.4
9.5
10.0
9.7
–10
30
50
4267 G17
9.2
9.8
9.9
9.6
–30
10
70
90
110
IPVCC = 1mA
TEMPERATURE (°C)
–50
215
SUPPLY
CURRENT
(A)
220
230
235
240
265
250
–10
30
50
4267 G18
225
255
260
245
–30
10
70
90
110
PVCC = 8V
VITH/RUN = 1.3V
TEMPERATURE (°C)
–50
V
FB
VOLTAGE
(mV)
70
90
4267 G10
–10
10
–30
30
50
110
812
808
804
800
796
792
788
PVCC = 8V
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