參數(shù)資料
型號: 33063AP
廠商: Motorola, Inc.
英文描述: DC-to-DC CONVERTER CONTROL CIRCUITS
中文描述: 型DC - DC變換器控制電路
文件頁數(shù): 7/12頁
文件大?。?/td> 200K
代理商: 33063AP
MC34063A MC33063A
7
MOTOROLA ANALOG IC DEVICE DATA
1.25 V
Ref
Reg
Vout
–12 V/100 mA
Vout
1.0
μ
H
+
100
Optional Filter
8
7
Rsc
0.24
6
Vin
4.5 V to 6.0 V
100
+
5
R2
8.2 k
S
Q
R
Q2
Q1
Ipk
Osc
CT
Comp.
R1
953
1
2
3
4
+
1500
pF
+
1N5819
1000
μ
f
+
88
μ
H
VCC
CO
L
Figure 11. Voltage Inverting Converter
Test
Conditions
Results
Line Regulation
Vin = 4.5 V to 6.0 V, IO = 100 mA
Vin = 5.0 V, IO = 10 mA to 100 mA
Vin = 5.0 V, IO = 100 mA
Vin = 5.0 V, RL = 0.1
Vin = 5.0 V, IO = 100 mA
Vin = 5.0 V, IO = 100 mA
3.0 mV =
±
0.012%
Load Regulation
0.022 V =
±
0.09%
Output Ripple
500 mVpp
Short Circuit Current
910 mA
Efficiency
62.2%
Output Ripple With Optional Filter
70 mVpp
12a. External NPN Switch
12b. External PNP Saturated Switch
8
7
6
Vin
1
2
Vout
8
7
6
Vin
1
2
Vout
Figure 12. External Current Boost Connections for IC Peak Greater than 1.5 A
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