ISL6121 Datasheet, PDF (11/16 Pages) Intersil Corporation – Single Supply Integrated Current Limiting Controller

ISL6123, ISL6124, ISL6125, ISL6126, ISL6127, ISL6128
+3.3V 1.5V
+2.5V
1
EN1
1
EN2
R1
7.681K
R3
R5
4.99K 5.98K
R7
5.45K
R2
R4
R5
R6
2.26K 4.99K 3.01K 1.47K
1
SYSRST#
+5V
C1
23
1µF
1
V_DD
8
11
ENABLE1
ENABLE2
DLY_ON_B
DLY_ON_D ¹⁵
DLY_ON_C ¹⁶
C2
0.01µF
C3
DLY_ON_A ^{21 0.068µF}
C6
0.1µF
C7
U1
12
3
C4
UVLO_B DLY_OFF_C
14
17
UVLO_D
UVLO_C
DLY_OFF_D ⁴
DLY_OFF_B ¹³
0.047µF
C5
20
UVLO_A
DLY_OFF_A ¹⁸
0.01µF
ISL6123IR
2
GATE_A
0.01µF
C8
0.01µF
C9
0.1µF
22 _SYSRST#
GATE_B ⁵
6
GATE_C
7
GATE_D
19 NC
RESET#2 ⁹
24
RESET#1
GND
20
R10
1 ^{R9 750}
750
10
5 6 SI4922DY
4
Q1
3
7 8 SI4922DY
2 _Q1
1
56
SI4922DY
4
Q2
SI4922DY
3
78
2
Q2
1
RL5 10 RL3 5 RL2 5 RL1 ₂
FIGURE 15. EVAL BOARD SCHEMATIC
FIGURE 16. EVAL BOARD PHOTOGRAPH
11
FN9005.4
June 10, 2005