MAX5074 Maxim Integrated Products, MAX5074 Datasheet - Page 5

• Manufacturer Part Number: MAX5074
• Description: Power IC with Integrated MOSFETs
• Manufacturer: Maxim Integrated Products

Power IC with Integrated MOSFETs for Isolated IEEE
(V
V
RAMP
HVIN
802.3af PD and Telecom Power-Supply Applications
8.800
8.775
8.750
8.725
8.700
8.675
8.650
8.625
8.600
8.75
8.70
8.65
8.60
8.55
-40
= 48V, V
= V
0
REGOUT VOLTAGE vs. TEMPERATURE
REGOUT VOLTAGE vs. LOAD CURRENT
V
INBIAS FLOATING
V
INBIAS FLOATING
-25 -10 5
HVIN
HVIN
UVLO
= 76V
5
= 15V
INBIAS
= 3V, T
TEMPERATURE (°C)
10
20
I
REGOUT
_______________________________________________________________________________________
35 50 65
= 15V, C
A
15
= T
10.60
10.58
10.56
10.54
10.52
10.50
(mA)
J
20
11
= -40°C to +125°C, unless otherwise noted. Typical values are at T
REGOUT VOLTAGE vs. INPUT VOLTAGE
80
HVIN = INBIAS
INBIAS
95
25
24
110
= 1µF, C
125
30
37
V
HVIN
REGOUT
(V)
8.75
8.73
8.71
8.69
8.67
8.65
Typical Operating Characteristics (continued)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
50
0
-40
11
REGOUT VOLTAGE vs. INPUT VOLTAGE
INBIAS FLOATING
HVIN AND INBIAS INPUT CURRENT
-25
63
= 2.2µF, R
-10 5 20 35 50
24
vs. TEMPERATURE
76
TEMPERATURE (°C)
37
V
I
V
RTCT
HVIN
HVIN
HVIN
I
V
INBIAS
HVIN
(V)
10.60
10.55
10.50
10.45
10.40
= V
50
= 25kΩ, C
= V
INBIAS
65 80
INBIAS
0
REGOUT VOLTAGE vs. LOAD CURRENT
V
= 76V
HVIN
63
= 76V
95
5
= V
110
RTCT
INBIAS
125
76
10
= 15V
I
REGOUT
= 100pF, C
15
10.60
10.59
10.58
10.57
10.56
10.55
10.54
10.53
10.52
10.51
10.50
7.50
7.25
7.00
6.75
6.50
6.25
6.00
(mA)
A
-40
-40
20
= +25°C, unless otherwise noted.)
REGOUT VOLTAGE vs. TEMPERATURE
V
-25
-25
BST
HVIN
25
-10
-10 5 20 35 50
= V
REGOUT UVLO VOLTAGE
= 0.22µF, V
INBIAS
vs. TEMPERATURE
5
RISING
FALLING
TEMPERATURE (°C)
TEMPERATURE (°C)
30
20
= 76V
35
50
CSS
www.DataSheet4U.com
65
65 80
= V
80
CS
95
95
110
110
= 0V,
125
125
5