MAX5953A MAXIM [Maxim Integrated Products], MAX5953A Datasheet - Page 8

• Manufacturer Part Number: MAX5953A
• Description: IEEE 802.3af PD Interface and PWM Controllers with Integrated Power MOSFETs
• Manufacturer: MAXIM [Maxim Integrated Products]

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