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KA7632 数据表(PDF) 3 Page - Fairchild Semiconductor

部件名 KA7632
功能描述  Fixed Multi-output Regulator
Download  8 Pages
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

KA7632 数据表(HTML) 3 Page - Fairchild Semiconductor

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KA7632/KA7633
3
Electrical Characteristics(KA7633)
(Refer to test circuit Vin1=6V ,Vin2=11.5V ,Tj = +25
°C, unless otherwise specified)
Notes:
1. To check the reset circuit ,the reset output is low to discharge the delay capacitor(=Cd). if it’s less than Vo1-0.25V. And the
reset output is high when the delay capacitor voltage linearly increased by the interal current source(10
µA) if it’s more than
Vo1- 0.2V. The equations of delay time is same as below. Trd = (Cd × 2.5) / 10
µA
2. These parameters, although guaranteed, are not 100% tested in production.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage 1
Vo1
Io1=10mA
6V<Vin1<14V
5mA<Io1<500mA
3.22
3.14
3.3
3.3
3.38
3.46
V
Output Voltage 2
Vo2
Io2=10mA
11.5V<Vin2<18V
5mA<Io2<500mA
8.82
8.65
9
9
9.18
9.35
V
Dropout Output Voltage 1,2
Vd1,2
Io1,2=500mA
-
-
2.5
V
Line Regulation 1,2
∆Vo 1,2
6V <Vin1<14V
11.5V <Vin2<18V
Io1,2 = 200mA
--
40
80
mV
Load Regulation 1,2
∆Vo 1,2
5mA < Io1< 500mA
5mA <Io2< 500mA
--
70
160
mV
Output Voltage 3
Vo3
Vsys=7V, Io3=100mA
4.97
5.1
5.23
V
Line Regulation 3
∆Vo3
13V< Vin2 <18V, Io3 =100mA
-
-
50
mV
Load Regulation 3
∆Vo3
5mA < Io3 < 1A
-
-
110
mV
Reset Pulse Delay
Trd
Cd=100nF, Note1
-
25
-
ms
Saturation Voltage in Reset
Condition
VrL
I6=5mA
-
-
0.4
V
Leakage Current at Pin 6
IrH
V6=10V
-
-
10
µA
Output Voltage Thermal Drift
STt
0
°C <Tj < +125 °C , Note 2
-
100
-
ppm/
°C
Short Circuit Output Current
Isc1,2
Vin1=6V ,Vin2 =11.5V
-
-
1.6
A
Disable Voltage High
VdisH
Output 2 Active
2
-
V
Disable Voltage Low
VdisL
Output 2 Disabled
-
-
0.8
V
Disable Bias Current
Idis
0V < Vdis < 7V
-100
-
2
µA
Junction Temperature for TSD
Ttsd
Note 2
-
145
-
°C
Quiescent Current
Iq
Io1=10mA, Output2 Disabled
-
-
2
mA
Reset Threshold Voltage
Vr
K=Vo1
K-0.4
K-0.25
K-0.1
V
Reset Threshold Hysteresis
Vrth
Note 1
20
50
100
mA


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