ISL8724 Intersil Corporation, ISL8724 Datasheet - Page 13

• Manufacturer Part Number: ISL8724
• Description: (ISL8723 / ISL8724) Power Sequencing Controllers
• Manufacturer: Intersil Corporation

COMPONENT
DESIGNATOR
Q1, Q2
R11
R12
R10
R13
R14
U1
R6
R1
R2
R3
R4
R5
R9
C5
C9
C2
C8
C3
C7
C4
C6
C1
D1
R9
ISL8723, 4 Supply Sequencer
Voltage Rail Switches
5V to UVLO_A Resistor for Divider String
UVLO_A to GND Resistor for Divider String
3.3V to UVLO_B Resistor for Divider String
UVLO_B to GND Resistor for Divider String
2.5V to UVLO_D Resistor for Divider String
UVLO_D to GND Resistor for Divider String
1.5V to UVLO_C Resistor for Divider String
UVLO_D to GND Resistor for Divider String
RESET LED Current Limiting Resistor
5V turn-on Delay Cap. A (~10ms)
5V turn-off Delay Cap. A (~140ms)
3.3V turn-on Delay Cap.B (~13ms)
3.3V turn-off Delay Cap. B (~13ms)
2.5V turn-on Delay Cap.D (~25ms)
2.5V turn-off Delay Cap. D (0ms)
1.5V turn-on Delay Cap. C (~100ms)
1.5V turn-off Delay Cap. C (~60ms)
Decoupling Capacitor
RESET Indicating LED
5V Load Resistor
3.3V Load Resistor
2.5V Load Resistor
1.5V Load Resistor
Test Points Labeled as to Function
13
COMPONENT FUNCTION
TABLE 2. ISL872XSEQEVAL1 BOARD COMPONENT LISTING
ISL8723, ISL8724
Intersil, ISL8723IR 4 Supply Sequencer
FDS6990S or equiv, Dual N-Channel MOSFET
8.45kΩ 1%, 0402
1.47kΩ 1%, 0402
7.68kΩ 1%, 0402
2.26kΩ 1%, 0402
6.98kΩ 1%, 0402
3.01kΩ 1%, 0402
4.99kΩ 1%, 0402
4.99kΩ 1%, 0402
750Ω 10%, 0805
DNP, 0402
0.1μF 10%, 6.3V, 0402
0.01μF 10%, 6.3V, 0402
0.01μF 10%, 6.3V, 0402
0.022μF 10%, 6.3V, 0402
DNP, 0402
0.068μF 10%, 6.3V, 0402
0.047μF 10%, 6.3V, 0402
1μF, 0805
0805, SMD LEDs Red
10Ω 20%, 3W Carbon
10Ω 20%, 3W Carbon
10Ω 20%, 3W Carbon
10Ω 20%, 3W Carbon
COMPONENT DESCRIPTION
December 21, 2006
FN6413.0