ISL6123_07 Datasheet, PDF (13/21 Pages) Intersil Corporation – Power Sequencing Controllers

ISL6123, ISL6124, ISL6125, ISL6126, ISL6127, ISL6128, ISL6130
IND = +1.5V
INB = +3.3V
INC = +2.5V
EN1
EN2
R1
R3
R5
R7
7.681k 4.99k 6.98k 8.45k
R2
R4
R6
R8
2.26k 4.99k 3.01k 1.47k
SYSRST#
INA and VDD = +5V
C1
23
1μF
1
V_DD
8
C2
11
ENABLE1
ENABLE2
DLY_ON_B
DLY_ON_D
DLY_ON_C
15
16
0.01μF
C3
DLY_ON_A ^{21 0.068μF}
C6
0.1μF
C7
12
14
S1
UVLO_B DLY_OFF_C ³
UVLO_D DLY_OFF_D ⁴
C4
0.047μF
0.01μF
C8
17 _{UVLO_C DLY_OFF_B} 13
C5
0.01μF
20 _{UVLO_A DLY_OFF_A} 18 0.01μF
C9
ISL612XIR
2
GATE_A
0.1μF
GATE_B ⁵
GATE_C ⁶
22 _SYSRST#
7
GATE_D
20
R10
19 NC
RESET#2 ⁹
RESET#1 ²⁴
GND
1 ^{R9 750}
750
10
5 6 SI4922DY
4
Q3
3
7 8 SI4922DY
2 _Q3
1
56
SI4922DY
4
Q4
SI4922DY
3
78
2 _Q4
1
RL8 10 RL7 5 RL6 5 RL5 2
FIGURE 15. EVAL BOARD CHANNEL 1 SCHEMATIC AND ISL612xSEQEVAL1 PHOTOGRAPH
13
FN9005.8
February 5, 2007