ISL6123 Datasheet, PDF (16/23 Pages) Intersil Corporation – Power Sequencing Controllers

ISL6123, ISL6124, ISL6125, ISL6126, ISL6127, ISL6128, ISL6130
COMPONENT
DESIGNATOR
U1
Q1, Q2
R6
R11
R1
R12
R2
R3
R4
R5
R9
C5
C9
C2
C8
C3
C7
C4
C6
C1
D1
D2
R9
R10
R13
R14
TABLE 2. ISL6123EVAL1Z BOARD COMPONENT LISTING
COMPONENT FUNCTION
ISL6123
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 Capacitor A (~10ms)
5V turn-off Delay Capacitor A (~140ms)
3.3V turn-on Delay Capacitor B (~13ms)
3.3V turn-off Delay Capacitor B (~13ms)
2.5V turn-on Delay Capacitor D (~25ms)
2.5V turn-off Delay Capacitor D (0ms)
1.5V turn-on Delay Capacitor C (~100ms)
1.5V turn-off Delay Capacitor C (~60ms)
Decoupling Capacitor
RESET Indicating LED
RESET Indicating LED
5V Load Resistor
3.3V Load Resistor
2.5V Load Resistor
1.5V Load Resistor
Test Points Labeled as to Function
COMPONENT DESCRIPTION
Intersil, ISL6123, Four Supply Sequencer
FDS6990S or equivalent, 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%, 0402
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, 0402
0805, SMD LEDs Red
DNP
10Ω 20%, 3W
10Ω 20%, 3W
10Ω 20%, 3W
10Ω 20%, 3W
16
FN9005.11
August 25, 2011