MC34163DW ON Semiconductor, MC34163DW Datasheet - Page 12

• Manufacturer Part Number: MC34163DW
• Description: IC REG SW INV DC-DC 3.4A 16SOIC
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck), Step-Up (Boost), Invertingr

Specifications of MC34163DW

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 40 V
• Current - Output: 3.4A
• Frequency - Switching: 50kHz
• Voltage - Input: 2.5 ~ 40 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: MC34163DWOS

8
7
6
5
4
3
2
1
Figure 26A. External NPN Switch
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Efficiency, Without Bootstrap
Efficiency, With Bootstrap
+
Figure 26. External Current Boost Connections for I
12 V
470 pF
V
in
C
T
0.075
(Bottom View)
R
R
8.2 k
330
C
SC
2
+
in
Test
+
+
953
R
8
7
6
5
4
3
2
1
1
Q
1
LVI
+
Q
0.25 V
Oscillator
2
+
+
-
Figure 25. Voltage−Inverting Converter
10
12
13
14
15
16
11
+
Thermal
9
+
45 k
+
-
+
1.125 V
1.25 V
+
+
-
Current
Limit
(Bottom View)
V
V
V
V
V
V
in
in
in
in
in
in
Feedback
Comparator
15 k
http://onsemi.com
Q
= 12 V, I
= 12 V, R
= 12 V, I
= 12 V, I
= 9.0 V to 16 V, I
= 12 V, I
3
+
Latch
R
S
Q
Condition
O
O
O
O
+
12
L
= 1.0 A
= 0.6 A to 1.0 A
= 1.0 A
= 1.0 A
7.0 V
= 0.1 W
2.0 mA
Q
1
60
Q
O
2
= 1.0 A
Figure 26B. External PNP Saturated Switch
10
11
12
13
14
15
16
9
0.02
8
7
6
5
4
3
2
1
pk (Switch)
Coilcraft LO451-A
1N5822
2200
180 mH
R
C
+
B
B
L
+
5.0 mV = ± 0.02%
2.0 mV = ± 0.01%
130 mVpp
3.2 A
73.1%
77.5%
Greater Than 3.4 A
C
O
(Bottom View)
+
Results
+
V
- 12 V/1.0 A
out
Q
1
Q
2
10
11
12
13
14
15
16
9
Q
3