isl6237 Intersil Corporation, isl6237 Datasheet - Page 15

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

Typical Performance Curves
FIGURE 38. START-UP V
FIGURE 40. START-UP V
FIGURE 42. DELAYED START-UP (V
EN1 5V/DIV
V
EN2 5V/DIV
POK2 5V/DIV
POK2 2V/DIV
IL2 5A/DIV
POK1 5V/DIV
OUT2
2V/DIV
PWM MODE)
EN2 = REF)
EN2 5V/DIV
V
IL2 2A/DIV
OUT2
V
OUT2
OUT2
OUT1
2V/DIV
2V/DIV
15
= 3.3V (NO LOAD, SKIP MODE)
= 3.3V (FULL LOAD,
OUT1
V
OUT1
= 5V, V
POK2 2V/DIV
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
2V/DIV
OUT2
= 3.3V,
ISL6237
FIGURE 39. START-UP V
FIGURE 41. DELAYED START-UP (V
FIGURE 43. SHUTDOWN (V
V
EN2 5V/DIV
V
POK2 5V/DIV
POK1 5V/DIV
V
OUT2
OUT2
OUT1
POK1 OR POK2 5V/DIV
2V/DIV
A
2V/DIV
EN1 5V/DIV
2V/DIV
= +25°C. (Continued)
EN1 = REF)
EN2 = REF)
EN2 5V/DIV
EN_LDO
V
IL2 2A/DIV
OUT2
= 5V, T
OUT1
2V/DIV
V
OUT1
OUT1
A
= 3.3V (NO LOAD, PWM MODE)
= -40°C to +100°C , unless
2V/DIV
= 5V, V
OUT1
OUT2
= 5V, V
IN
= 3.3V,
POK2 2V/DIV
= 12V,
OUT2
March 16, 2007
= 3.3V,
FN6418.1