参数资料
型号: MIC2589-2YM
厂商: Micrel Inc
文件页数: 5/29页
文件大小: 4205K
描述: IC CTRLR HOT SWAP NEG HV 14-SOIC
标准包装: 54
类型: 热交换控制器
应用: 通用
内部开关:
电源电压: -19 V ~ -80 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOIC
包装: 管件
Micrel
MIC2589/MIC2595
 
 
December 2005 
5
M9999-120505
 (408) 955-1690
 
Pin Desription (cont.)
Pin Number
Pin Name
Pin Function
12
PWRGD2
(MIC25XX-1)
Power-Good Output 2: Asserted when the following is true: (PWRGD1 = Asserted)
AND (Time after Assertion of PWRGD1 = Time PWRGD2, as programmed by the
capacitor on PGTIMER). Once PWRGD1 is asserted, the PGTIMER pin begins to
charge and PWRGD2 will assert when PGTIMER crosses the PWRGD2 threshold
(V
THRESH(PG2)
 = 0.63V, typical). Also see PWRGD1 and PGTIMER pin descriptions
12
/PWRGD2
(MIC25XX-2)
/Power-Good Output 2: Asserted when the following is true: (/PWRGD1 = Asserted)
AND (Time after Assertion of /PWRGD1 = Time /PWRGD2, as programmed by the
capacitor on PGTIMER). Once /PWRGD1 is asserted, the PGTIMER pin begins to
charge and /PWRGD2 will assert when PGTIMER crosses the /PWRGD2 threshold
(V
THRESH(PG2)
 = 0.63V, typical). Also see /PWRGD1 and PGTIMER pin descriptions.
13
PWRGD3
(MIC25XX-1)
Power-Good Output 3: Asserted when the following is true: (PWRGD1 = Asserted)
AND (Time after Assertion of PWRGD1 = Time PWRGD3, as programmed by the
capacitor on PGTIMER). Once PWRGD1 is asserted, the PGTIMER pin begins to
charge and PWRGD3 will assert when PGTIMER crosses the PWRGD3 threshold
(V
THRESH(PG3)
 = 1.15V, typical). Also see PWRGD1 and PGTIMER pin descriptions.
13
/PWRGD3
(MIC25XX-2)
/Power-Good Output 3: Open Collector. Asserted when the following is true:
(/PWRGD1 = Asserted) AND (Time after Assertion of /PWRGD1 = Time /PWRGD3,
as programmed by the capacitor on PGTIMER). Once /PWRGD1 is asserted, the
PGTIMER pin begins to charge and /PWRGD3 will assert when PGTIMER crosses
the /PWRGD3 threshold (V
THRESH(PG3)
 = 1.15V, typical). Also see /PWRGD1 and
PGTIMER pin descriptions.
14
VDD
Positive Supply Input: Connect to the positive, or high side, terminal of the input
power supply.
 
 
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