参数资料
型号: DC1029A
厂商: Linear Technology
文件页数: 7/32页
文件大小: 0K
描述: EVAL BOARD FOR LTC2928
设计资源: DC1029A Design File
DC1029A Schematic
标准包装: 1
主要目的: 电源管理,电源监控器/跟踪器/序列发生器
嵌入式:
已用 IC / 零件: LTC2928
主要属性: 4 通道电源定序器
已供物品:
LTC2928
TYPICAL PERFORMANCE CHARACTERISTICS
1.200
1.196
Reference Output Voltage vs
Temperature
1k
Comparator Under-Voltage
Glitch Immunity
1k
Comparator Over-Voltage
Glitch Immunity
1.192
1.188
100
RESET OCCURS
ABOVE CURVE
COMPARATOR
IGNORES GLITCH
100
OV OCCURS
ABOVE CURVE
COMPARATOR
IGNORES GLITCH
1.184
1.180
–50
–25
0 25 50
TEMPERATURE ( ° C)
75
100
2928 G05
10
0.1
1 10
COMPARATOR OVERDRIVE
(% OF RESET THRESHOLD)
100
10
0.1
1 10
COMPARATOR OVERDRIVE
(% OF OV THRESHOLD)
100
2928 G15
2928 G16
1.015
1.010
ON Threshold Voltage (Rising) vs
Temperature
50
40
Relative Reset Output Voltage vs
V CC (with Reset Pull-Up Resistor
to V CC )
1k
–70
–60
RST Pull-Up Current vs
External Voltage on RST
V CC = 5V
1.005
–50
1.000
30
5k
–40
0.995
0.990
20
10
100k
10k
–30
–20
–10
V CC = 3.3V
0.985
–50
–25
0 25 50
TEMPERATURE ( ° C)
75
100
2928 G01
0
0.1
0.3
0.5
0.7 0.9
V CC (V)
1.1
1.3 1.5
2928 G17
0
0
1
2 3
V RST (V)
4
5
2928 G17
Sequence, Reset and Power-
Good Timing vs Capacitance
Three State Selection Pin Current
vs Pin Voltage
(SQT1, SQT2, MS1, MS2, RDIS)
I FLT(UP) vs Temperature
10
1
20
15
10
–22
–20
V FLT = 2.3V
100m
SEQUENCER TIMER
5
–18
0
10m
1m
RESET AND
POWER-GOOD TIMER
–5
–10
–16
–14
–15
100
10p
100p
1n 10n
CAPACITANCE (F)
100n
1
–20
0.3
0.6 0.9 1.2
THREE STATE PIN VOLTAGE (V)
1.5
2928 G20
–12
–50
–25
0 25 50
TEMPERATURE ( ° C)
75
100
2928 G21
2928 G19
2928f
7
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