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参数资料
| 型号： | MIC2585-1KYTS TR |
| 厂商： | Micrel Inc |
| 文件页数： | 18/28页 |
| 文件大小： | 273K |
| 描述： | IC CTRLR HOT SWAP DUAL 24-TSSOP |
| 标准包装： | 2,500 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 1 V ~ 13.2 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 24-TSSOP |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC2585-1KYTSTR MIC2585-1KYTSTR-ND |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页当前第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页
MIC2584/2585
Micrel
MIC2584/2585
18
March 2005
C6
0.1礔
R1
47k&
SENSE1
VCC1
R
SENSE1
0.007&
5%
1
3
4
24
23
SENSE2
VCC2
R
SENSE2
0.015&
5%
1
2
3
4
1
2
C4
0.022礔
**Q2
Si4922DY (1)
(SO-8)
C
LOAD1
1500礔
V
OUT1
5V@5A
V
OUT2
1.8V@2A
C
LOAD2
100礔
C3
0.022礔
**Q1
Si4922DY (2)
(SO-8)
GND
3
5
9
7
22
20
18
13
GATE2
OUT2
TRK
OUT1
FB2
FB1
GATE1
CDLY
12
CFILTER
11
ON
8
Undervoltage (OUT1) = 4.4V
Undervoltage (OUT2) = 1.5V
Circuit Breaker Response Time = 5ms
Sequenced Output Delay = 20ms
*Diodes are BZX84C(x)V(x)
**Si4922DY is a dual Power MOSFET
Additional pins omitted for clarity
C5
0.01礔
C2
1礔
R5
10.5k&
1%
R3
15.8k&
1%
R2
39.2k&
1%
R4
8.06k&
1%
*D1
(8V)
*D2
(6V)
C1
1礔
MIC2585-1
V
IN1
5V
V
IN2
1.8V
Figure 6. Output Sequencing/Tracking Combination
Applications Information
Output Tracking and Sequencing
The MIC2585 is equipped with optional supply
settings: Tracking or Sequencing. There are many applica-
tions that require two supplies to track one another within a
specified maximum potential difference (or time) during power-
up and power-down, such as in switching a processor on and
off. In many other systems and applications, supply sequenc-
ing during turn-on may be essential such as when a specific
circuit block (e.g., a system clock) requires available power
before another block of system circuitry. For either supply
configuration, the MIC2585 requires only one additional
component and can be used as an integrated solution to
traditional, and most often complex, discrete circuit solutions.
Additionally, the two optional supply settings may be com-
bined to provide supply sequencing during start-up and
supply tracking during turn-off (see Figure 6 below). The
MIC2585 guarantees supply tracking within 250mV for power-
up and power-down independent of the load capacitance of
each supply. See "Figure 2" of the "Timing Diagrams".
Wiring the TRK pin to either OUT1 or OUT2 of the MIC2585
enables the tracking feature. The OUT1 and OUT2 pins
provide output track sensing and are wired directly to the
output (source) of the external MOSFET for Channel 1 and
Channel 2, respectively.
The MIC2584/85 can also be used in systems that support
more than two supplies. Figure 7 illustrates the generic use
of two separate controllers configured to support four inde-
pendent supply rails with an associated output timing re-
sponse. The PG (or /POR) output of the first controller is used
to enable the second controller. As configured, a fault condi-
tion on either V
OUT1
or V
OUT2
will result in all channels being
shut down. For systems with multiple power sequencing
requirements, the controllers output tracking and sequenc-
ing features can be implemented in order to meet the systems
timing demands.
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| MIC2585-1LBTS | 功能描述:IC CTRLR HOT SWAP DUAL 24-TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
| MIC2585-1LBTS TR | 功能描述:IC CTRLR HOT SWAP DUAL 24-TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
| MIC2585-1LYTS | 功能描述:热插拔功率分布 Dual Channel Hot-Swap Controller - 100mV Threshold (Lead Free) RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MIC2585-1LYTS TR | 功能描述:热插拔功率分布 Dual Channel Hot-Swap Controller - 100mV Threshold (Lead Free) RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MIC2585-1MBTS | 功能描述:IC CTRLR HOT SWAP DUAL 24-TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
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