ISL6121 Datasheet, PDF (7/16 Pages) Intersil Corporation – Single Supply Integrated Current Limiting Controller

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