isl6236 Intersil Corporation, isl6236 Datasheet - Page 30

• Manufacturer Part Number: isl6236
• Description: High-efficiency, Quad-output, Main Power Supply Controllers For Notebook Computers
• Manufacturer: Intersil Corporation

Discharge
Standby
Shutdown
Thermal Shutdown
Low
“>2.5” → High
“>2.5” → High
“>2.5” → High
“>2.5” → High
“>2.5” → High
“>2.5” → High
VEN LDO
MODE
Either SMPS output is still high in
either standby mode or shutdown
mode
EN1, EN2 < startup threshold, EN
LDO= High
EN1, EN2, EN LDO = low
TJ >+150°C
VEN1 (V)
High
High
High
REF
Low
Low
Low
30
CONDITION
TABLE 3. OPERATING-MODE TRUTH TABLE (Continued)
TABLE 4. SHUTDOWN AND STANDBY CONTROL LOGIS
VEN2 (V)
High
High
REF
High
Low
Low
Low
Discharge switch (25Ω) connects OUT to GND. One output may still run while the
other is in discharge mode. Activates when PVCC is in UVLO, or transition to UVLO,
standby, or shutdown has begun. LDO, VREF3 and REF active.
LDO, VREF3 and REF active.
Discharge switch (25Ω) connects OUT to PGND. All circuitry off except VREF3.
All circuitry off. Exited by VIN POR or cycling EN. VREF3 remain active.
ISL6236
LDO
On
On
On
On
Off
On
On
On (after SMPS2 is up)
SMPS1
COMMENT
Off
Off
On
On
Off
On
On (after SMPS1 is up)
SMPS2
Off
On
On
On
Off
Off
June 28, 2007
FN6373.3