MC34063AD ON Semiconductor, MC34063AD Datasheet - Page 5

• Manufacturer Part Number: MC34063AD
• Description: IC REG SW 1.5A STEP UP/DN 8-SOIC
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck), Step-Up (Boost), Invertingr

Specifications of MC34063AD

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 40 V
• Current - Output: 1.5A
• Frequency - Switching: 100kHz
• Voltage - Input: 3 ~ 40 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 625mW
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: MC34063ADOS

12 V
V
in
0.22
Line Regulation
Load Regulation
Output Ripple
Efficiency
Output Ripple With Optional Filter
R
sc
+
R1
100
180
2.2 k
8
7
6
5
Test
V
CC
47 k
R2
+
-
I
pk
Comp.
OSC
Figure 9. Step−Up Converter
S Q
R
170 mH
C
L
T
http://onsemi.com
1.25 V
V
V
V
V
V
Reg
Ref
in
in
in
in
in
Q2
= 8.0 V to 16 V, I
= 12 V, I
= 12 V, I
= 12 V, I
= 12 V, I
Q1
5
O
O
O
O
Conditions
= 75 mA to 175 mA
= 175 mA
= 175 mA
= 175 mA
1
2
3
C
4
1500
T
pF
330
O
= 175 mA
+
1N5819
C
O
28 V/175 mA
V
out
30 mV = ±0.05%
10 mV = ±0.017%
400 mVpp
87.7%
40 mVpp
Results
1.0 mH
Optional Filter
+
100
V
out