参数资料
| 型号： | NCP1092DBRG |
| 厂商： | ON Semiconductor |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | IC CTLR IEEE 802.3AF 8-TSSOP |
| 标准包装： | 2,500 |
| 系列： | HIPO™ |
| 控制器类型： | PoE-PD 接口 |
| 接口： | IEEE 802.3af |
| 电流 - 电源： | 500mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 带卷 (TR) |
NCP1090, NCP1091, NCP1092
http://onsemi.com
5
Recommended Operating Conditions
Operating conditions define the limits for functional operation and parametric characteristics of the device. Note that the
functionality of the device outside the operating conditions described in this section is not warranted. Operating outside the
recommended operating conditions for extended periods of time may affect device reliability.
Table 3. OPERATING CONDITIONS (All values are with respect to VPORTN unless otherwise noted.)
Symbol
Parameter
Min
Typ
Max
Units
Conditions
INPUT SUPPLY
VPORT
Input supply voltage
0
57
V
VPORT = VPORTP –
VPORTN
SIGNATURE DETECTION
Offset_det1
I(VPORTP) + I(RTN)
2
5
mA
VPORTP = RTN = 1.9 V
Rdet = 24.9 KW
Sleep_det1
I(VPORTP) + I(RTN)
15
21
mA
VPORTP = RTN = 9.8 V
Rdet = 24.9 KW
Offset_det2
I(VPORTP) + I(RTN) + I(DET)
73
77
81
mA
VPORTP = RTN = 1.9 V
Rdet = 24.9 KW
Sleep_det2
I(VPORTP) + I(RTN) + I(DET)
390
400
412
mA
VPORTP = RTN = 9.8 V
Rdet = 24.9 KW
CLASSIFICATION
Vcl_on
Classification current turnon lower
threshold
9.8
11.3
13
V
VPORTP rising
Vcl_off
Classification current turnoff upper
threshold
21
24
V
VPORTP rising
Vclass_reg
Classification buffer output voltage
9.8
V
13 V < VPORTP < 21 V
Icl_bias
I(vportp) quiescent current during
classification
600
mA
I(class) excluded
13 V < VPORTP < 21 V
Iclass0
Class 0: Rclass 4420 W (Note 3)
0
4
mA
13 V < VPORTP < 21 V
Iclass1
Class 1: Rclass 953 W (Note 3)
9
12
mA
13 V < VPORTP < 21 V
Iclass2
Class 2: Rclass 549 W (Note 3)
17
20
mA
13 V < VPORTP < 21 V
Iclass3
Class 3: Rclass 357 W (Note 3)
26
30
mA
13 V < VPORTP < 21 V
Iclass4
Class 4: Rclass 255 W (Note 3)
36
44
mA
13 V < VPORTP < 21 V
UVLO INTERNAL SETTING NCP1090/91/92
Vuvlo_on
Default turn on voltage
37
40
V
VPORTP rising
Vuvlo_off
Default turn off voltage
29.6
31
V
VPORTP falling
Vhyst_int
UVLO internal hysteresis
6
V
Uvlo_filter
UVLO On / Off filter time
100
mS
For information only
UVLO EXTERNAL SETTING – NCP1091 ONLY
Vuvlo_pr
UVLO external programming range
25
50
V
VPORTP rising
Vuvlo_on2
External UVLO turn on voltage
1.14
1.2
1.26
V
Vhyst_off2
External UVLO turn off voltage
0.95
1
1.05
V
Uvlo_ipd
UVLO internal pull down current
2.5
mA
AUXILIARY SUPPLY SETTING – NCP1092 ONLY
Aux_h
AUX input high level voltage
3.1
V
Aux_l
AUX input low level voltage
0.6
V
Aux_pd
AUX internal pull down resistor
100
KW
For information only
3. A tolerance of 1% on the Rclass resistor is included in the min/max values.
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