IEEE 802.3af PD Interface and PWM Controllers
with Integrated Power MOSFETs
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
IN
= (V+ - V
EE
) = 48V, GATE = PGOOD = unconnected, GND connected to OUT, HVIN connected to V+, UVLO = V
EE
, C
INBIAS
= 1礔,
C
REGOUT
= 2.2礔, R
RTCT
= 25k&, C
RTCT
= 100pF, C
BST
= 0.22礔, T
J
= 0癈 to +125癈, unless otherwise noted. Typical values are
at T
J
= +25癈. All voltages are referenced to V
EE
, unless otherwise noted.)
HVIN STANDBY CURRENT
vs. TEMPERATURE
TEMPERATURE (癈)
100
75
50
25
35
70
105
140
175
210
245
280
315
350
385
0
0
125
f
HVIN
V
DCUVLO
= 0V
HVIN INPUT CURRENT
vs. TEMPERATURE
TEMPERATURE (癈)
100
75
25
50
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.0
0
125
INBIAS FLOATING
V
HVIN
= 76V
REGOUT = DRVIN
HVIN AND INBIAS INPUT CURRENT
vs. TEMPERATURE
TEMPERATURE (癈)
100
75
50
25
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
0
125
I
INBIAS
I
HVIN
V
HVIN
= V
INBIAS
= 76V
REGOUT VOLTAGE
vs. INPUT VOLTAGE
V
HIN
(V)
63
50
37
24
8.76
8.77
8.78
8.79
8.80
8.81
8.82
8.83
8.84
8.85
8.75
11
76
INBIAS FLOATING
GND = V
EE
REGOUT VOLTAGE
vs. TEMPERATURE
TEMPERATURE (癈)
100
75
50
25
8.72
8.74
8.76
8.78
8.80
8.82
8.84
8.86
8.88
8.90
8.70
0
125
V
HVIN
= 48V
INBIAS FLOATING
REGOUT VOLTAGE
vs. LOAD CURRENT
I
REGOUT
(mA)
25
20
15
10
5
8.70
8.75
8.80
8.85
8.65
0
30
V
HVIN
= 15V
INBIAS FLOATING
GND = V
EE
REGOUT VOLTAGE
vs. INPUT VOLTAGE
V
HIN
(V)
63
50
37
24
10.62
10.64
10.66
10.68
10.70
10.60
11
76
HVIN = INBIAS
GND = V
EE
REGOUT VOLTAGE
vs. TEMPERATURE
TEMPERATURE (癈)
100
75
50
25
10.66
10.67
10.68
10.69
10.70
10.71
10.72
10.73
10.74
10.75
10.65
0
125
V
HVIN
= V
INBIAS
= 48V
REGOUT VOLTAGE
vs. LOAD CURRENT
I
REGOUT
(mA)
25
20
15
10
5
10.55
10.60
10.65
10.70
10.75
10.50
0
30
V
HVIN
= V
INBIAS
= 15V
GND = V
EE
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