NIS3001 ON Semiconductor, NIS3001 Datasheet - Page 5

• Manufacturer Part Number: NIS3001
• Description: Integrated Driver And Mosfet Power Chip For Synchronous Buck Controllers
• Manufacturer: ON Semiconductor

5 V +
P
P
Efficiency = P
P
This Test Circuit was used to characterize the NIS3001 during operation.
25
23
21
19
17
15
IN
OUT
LOSS
9
8
7
6
5
4
3
2
1
0
Figure 6. Driver Current versus Driver Voltage
0
4.5
= (V
Figure 4. Power Loss versus Output Current
−
= (V
= P
T
V
V
V
Airflow = 200 lfm
Average
VS
Current
A
T
IN
VS
OUT
A
OUT
= 25 C
IN
VS
A
= 12 V
* I
= 25 C
= 5.0 V
− P
= 1.5 V
VS
OUT
* I
5
) + (V
OUT
VS Voltage
OUT
Signal
/P
PWM
Average
I
OUT
V
IN
VS
)
IN
, OUTPUT CURRENT (A)
5
, DRIVER VOLTAGE (V)
* I
IN
10
)
V
500 kHz
750 kHz
CO
EN
VS
15
GND
V
V
F
V
I
F
OUT
SW
5.5
IN
EN
OUT
SW
TYPICAL PERFORMANCE CURVES
= 12 V
= 3.5 V
= 500 kHz
= 15 A
= 1000 kHz
= 1.5 V
Driver
BST
20
350 kHz
Figure 3. Test Circuit
BG
http://onsemi.com
25
TG
6
NIS3001
5
VIN
Figure 7. Driver Current versus Switching Frequency
PGND
96
94
92
90
88
86
84
82
80
40
35
30
25
20
15
10
5
0
0
100 200
Figure 5. Efficiency versus Output Current
350 kHz
DRN
T
A
F
= 25 C
SW
F
Input Voltage
SW
5
300
= 1000 kHz
Average
, SWITCHING FREQUENCY (kHz)
I
OUT
Averaging
V
Circuit
400
, OUTPUT CURRENT (A)
500 kHz
750 kHz
10
500
Input Current
600
Average
Average
Current
Output
V
15
A
A
Average
Voltage
Output
700
T
V
V
V
Airflow = 200 lfm
A
IN
VS
OUT
V
V
V
V
I
OUT
= 25 C
800
IN
VS
EN
OUT
+
−
= 12 V
= 5.0 V
20
= 1.5 V
= 12 V
= 5.0 V
= 3.5 V
= 15 A
12 V
= 1.5 V
Load
900 1000
25