ISL6236A Datasheet, PDF (26/37 Pages) Intersil Corporation – High-Efficiency, Quad-Output, Main Power Supply Controllers for Notebook Computers

ISL6236A
t_ON
VIN
ILIM
5µA
+
OUT
REFIN2 (SMPS2)
VREF
SLOPE COMP ^COMP
MIN. t_OFF
Q
TRIG
ONE SHOT
R QQ
S QQ
TO UGATE DRIVER
BOOT
UV
DETECT
BOOT
VCC
PHASE
OUT
ÂΣ
SKIP
S QQ
R _QQ
TO LGATE DRIVER
ONE-SHOT
SECFB
FB
DECODER
FB
0.9V_REF
1.1V_REF
0.7V_REF
PGOOD
OV LATCH
UV LATCH
FAULT
LLFAAATTUCCLHTH
LOGIC
20ms
BLANKING
2V
SMSP1 ONLY
FIGURE 71. PWM CONTROLLER (ONE SIDE ONLY)
26
FN6453.3
March 18, 2008