
7
FN9005.4
June 10, 2005
l
FIGURE 2. ISL6123/ISL6124 TURN-ON AND GLITCH RESPONSE TIMING DIAGRAM
UVLO_B
UVLO_C
UVLO_D
ENABLE (ISL6123)
RESET#
DLYON_A
DLYON_B
DLYON_C
DLYON_D
GATE_A
GATE_B
GATE_C
GATE_D
UVLO_A
V
EN
DLY_Vth
DLY_Vth
DLY_Vth
DLY_Vth
V
QPUMP
V
QPUMP
V
QPUMP
ENABLE# (ISL6124)
V
UVLOVth
V
UVLOVth
V
UVLOVth
V
UVLOVth
T
RSTdel
T
UVLOdel
V
QPUMP
-1V
V
QPUMP
<TFIL
FIGURE 3. ISL6123/ISL6124 TURN-OFF TIMING DIAGRAM
ENABLE# (ISL6124)
RESET#
DLYOFF_A
DLYOFF_B
DLYOFF_C
DLYOFF_D
GATE_D
GATE_C
GATE_B
GATE_A
ENABLE(ISL6123)
V
EN
UVLO_X>VUVLOVth
DLY_Vth
DLY_Vth
DLY_Vth
DLY_Vth
ISL6123, ISL6124, ISL6125, ISL6126, ISL6127, ISL6128