ISL6117 INTERSIL [Intersil Corporation], ISL6117 Datasheet - Page 7

• Manufacturer Part Number: ISL6117
• Description: Power Distribution Controllers
• Manufacturer: INTERSIL [Intersil Corporation]

Example
A typical -48V supply may vary from -36 to -72V. Therefore,
V
V
I
Sizing R
Typical Performance Curves
CHIP
R
R
R
BUS,MAX
BUS,MIN
CL
CL
CL
20.16
19.82
= 15mA (max)
= (V
= (36 - 12)/0.015
= 1.6kΩ [Typical Value = 1.58kΩ]
19.66
19.50
20.50
20.32
20.00
5.0
4.5
4.0
3.5
3.0
2.5
2.0
CL
BUS,MIN
= -36V
0
0
:
= -72V
FIGURE 5. C
C
TIM
10
FIGURE 3. VDD BIAS CURRENT
10
- 0V
20
20
- 12)/I
30
30
TEMPERATURE (°C)
TIM
TEMPERATURE (°C)
C
40
40
CURRENT SOURCE
7
50
50
60
60
ISL6115, ISL6116, ISL6117, ISL6120
70
70
80
80
90
90
100
100
Power Rating of R
DD1 Current Rating:
P
P
P
I
I
I
current]
DD1
DD1
DD1
RCL
RCL
RCL
20.2
20.0
19.8
19.6
19.4
19.2
19.0
1.89
1.88
1.86
1.85
1.87
1.84
1.83
= (
= (72 - 12)/1.58kΩ
= 38mA [Typical Value = 12V rating, 50mA reverse
= I
= (0.015)(72 - 12)
= 0.9W [Typical Value = 1W]
0
FIGURE 6. C
VBUS,MAX
0
C
(V
FIGURE 4. ISET SOURCE CURRENT
10
10
BUS,MAX
20
20
CL
- 12)/R
:
TIM
30
30
- 12)
TEMPERATURE (°C)
TEMPERATURE (°C)
OC VOLTAGE THRESHOLD
40
40
CL
50
50
60
60
70
70
80
80
90
February 6, 2007
90
100
100