參數(shù)資料
型號(hào): ISL8723EVAL1
廠商: Intersil Corporation
英文描述: Power Sequencing Controllers
中文描述: 電源順序控制器
文件頁(yè)數(shù): 13/15頁(yè)
文件大小: 276K
代理商: ISL8723EVAL1
13
FN6413.0
December 21, 2006
TABLE 2. ISL872XSEQEVAL1 BOARD COMPONENT LISTING
COMPONENT
DESIGNATOR
COMPONENT FUNCTION
COMPONENT DESCRIPTION
U1
ISL8723
, 4 Supply Sequencer
Intersil,
ISL8723IR
4 Supply Sequencer
Q1, Q2
Voltage Rail Switches
FDS6990S or equiv, Dual N-Channel MOSFET
R6
5V to UVLO_A Resistor for Divider String
8.45k
Ω
1%, 0402
R11
UVLO_A to GND Resistor for Divider String
1.47k
Ω
1%, 0402
R1
3.3V to UVLO_B Resistor for Divider String
7.68k
Ω
1%, 0402
R12
UVLO_B to GND Resistor for Divider String
2.26k
Ω
1%, 0402
R2
2.5V to UVLO_D Resistor for Divider String
6.98k
Ω
1%, 0402
R3
UVLO_D to GND Resistor for Divider String
3.01k
Ω
1%, 0402
R4
1.5V to UVLO_C Resistor for Divider String
4.99k
Ω
1%, 0402
R5
UVLO_D to GND Resistor for Divider String
4.99k
Ω
1%, 0402
R9
RESET LED Current Limiting Resistor
750
Ω
10%, 0805
C5
5V turn-on Delay Cap. A (~10ms)
DNP, 0402
C9
5V turn-off Delay Cap. A (~140ms)
0.1
μ
F 10%, 6.3V, 0402
C2
3.3V turn-on Delay Cap.B (~13ms)
0.01
μ
F 10%, 6.3V, 0402
C8
3.3V turn-off Delay Cap. B (~13ms)
0.01
μ
F 10%, 6.3V, 0402
C3
2.5V turn-on Delay Cap.D (~25ms)
0.022
μ
F 10%, 6.3V, 0402
C7
2.5V turn-off Delay Cap. D (0ms)
DNP, 0402
C4
1.5V turn-on Delay Cap. C (~100ms)
0.068
μ
F 10%, 6.3V, 0402
C6
1.5V turn-off Delay Cap. C (~60ms)
0.047
μ
F 10%, 6.3V, 0402
C1
Decoupling Capacitor
1
μ
F, 0805
D1
RESET Indicating LED
0805, SMD LEDs Red
R9
5V Load Resistor
10
Ω
20%, 3W Carbon
R10
3.3V Load Resistor
10
Ω
20%, 3W Carbon
R13
2.5V Load Resistor
10
Ω
20%, 3W Carbon
R14
1.5V Load Resistor
10
Ω
20%, 3W Carbon
Test Points Labeled as to Function
ISL8723, ISL8724
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