ISL6123_07 Datasheet, PDF (9/21 Pages) Intersil Corporation – Power Sequencing Controllers

ISL6123, ISL6124, ISL6125, ISL6126, ISL6127, ISL6128, ISL6130
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
Typical Performance Curves
634
633
V_DD = 5V
632
631
630
V_DD = 1.5V
629
628
627
626
-40
-20
0
20
40
60
80
100
TEMPERATURE (°C)
FIGURE 4. UVLO THRESHOLD VOLTAGE
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
-40
V_DD = 1.5V
DLY_OFF/ON
V_DD = +5V
-20
0
20
40
60
80
100
TEMPERATURE (°C)
FIGURE 5. DLY CHARGE CURRENT
9
FN9005.8
February 5, 2007