isl6237 Intersil Corporation, isl6237 Datasheet - Page 10

• Manufacturer Part Number: isl6237
• Description: High-efficiency, Quad-output, Main Power Supply Controllers For Notebook Computers
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 11. V
FIGURE 13. V
FIGURE 9. V
2.5
2.0
1.5
1.0
0.5
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1.064
1.062
1.060
1.058
1.056
1.054
1.052
1.050
1.048
0
0.001
0.001
7 V
7 V
7 V
12 V
12 V
7 V
7 V
7 V
12 V
12 V
5
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
(300kHz)
(500kHz)
vs V
SKIP MODE
PWM MODE
ULTRA SKIP MODE
SKIP MODE
PWM MODE
ULTRA SKIP MODE
OUT2
OUT2
OUT2
7
SKIP MODE
PWM MODE
SKIP MODE
PWM MODE
IN
0.010
0.010
9
(PWM MODE)
= 1.05V POWER DISSIPATION vs LOAD
= 3.3V POWER DISSIPATION vs LOAD
= 1.05V OUTPUT VOLTAGE REGULATION
NO LOAD PWM
MAX LOAD PWM
11
OUTPUT LOAD (A)
OUTPUT LOAD (A)
INPUT VOLTAGE (V)
13
10
0.100
0.100
15
12 V
25 V
25 V
25 V
12 V
25 V
25 V
25 V
17
IN
IN
IN
IN
IN
IN
IN
IN
ULTRA SKIP MODE
SKIP MODE
PWM MODE
ULTRA SKIP MODE
ULTRA SKIP MODE
SKIP MODE
PWM MODE
ULTRA SKIP MODE
MID LOAD PWM
19
Circuit of Figure 62 and Figure 63, no load on LDO, OUT1, OUT2, and REF, V
EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V, V
otherwise noted. Typical values are at T
1.000
1.000
21
23
10.000
10.000
25
ISL6237
FIGURE 10. V
FIGURE 12. V
FIGURE 14. V
3.5
3.0
2.5
2.0
1.5
1.0
0.5
2.5
2.0
1.5
1.0
0.5
1.068
1.066
1.064
1.062
1.060
1.058
1.056
1.054
1.052
1.050
1.048
0
0
0.001
0.001
7 V
7 V
7 V
12 V
12 V
A
5
7 V
7 V
7 V
12 V
12 V
= +25°C. (Continued)
IN
IN
IN
IN
IN
IN
IN
IN
(200kHz)
(400kHz)
vs V
SKIP MODE
PWM MODE
ULTRA SKIP MODE
IN
IN
7
SKIP MODE
PWM MODE
OUT1
SKIP MODE
PWM MODE
ULTRA SKIP MODE
OUT1
OUT2
MAX LOAD PWM
MAX LOAD PWM
EN_LDO
SKIP MODE
PWM MODE
IN
0.010
0.010
9
(SKIP MODE)
= 1.5V POWER DISSIPATION vs LOAD
= 5V POWER DISSIPATION vs LOAD
= 1.05V OUTPUT VOLTAGE REGULATION
11
= 5V, T
OUTPUT LOAD (A)
INPUT VOLTAGE (V)
OUTPUT LOAD (A)
13
A
NO LOAD PWM
= -40°C to +100°C , unless
0.100
0.100
15
12 V
25 V
25 V
25 V
12 V
25 V
25 V
25 V
MID LOAD PWM
17
IN
IN
IN
IN
IN
IN
IN
IN
ULTRA SKIP MODE
SKIP MODE
PWM MODE
ULTRA SKIP MODE
ULTRA SKIP MODE
SKIP MODE
PWM MODE
ULTRA SKIP MODE
19
IN
1.000
1.000
= 12V,
21
March 16, 2007
23
FN6418.1
10.000
10.000
25