MC34163DW ON Semiconductor, MC34163DW Datasheet - Page 7

• 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

Timing Capacitor C
Comparator Output
Oscillator Output
Nominal Output
Shutdown
Output Voltage
Output Switch
Voltage Level
Timing Capacitor
Voltage Feedback 1
Voltage Feedback 2
V
1.25 V
0.55 V
CC
T
On
Off
I
pk Sense
1
0
1
0
LVI Output
R
R
C
GND
SC
DT
T
Figure 19. Representative Block Diagram
Figure 20. Typical Operating Waveforms
8
7
6
5
4
3
2
1
LVI
+
t
0.25 V
Oscillator
+
+
-
Thermal
+
Startup
+
45 k
+
-
+
1.125 V
1.25 V
http://onsemi.com
+
+
-
Current
(Bottom View)
Limit
9t
Feedback
Comparator
15 k
+
Latch
7
R
S
Q
+
7.0 V
2.0 mA
Q
60
1
Q
2
13
10
12
14
15
16
11
9
Bootstrap Input
GND
Driver Collector
Switch Collector
Switch Emitter
Quiescent Operation
+
-
=
Sink Only
Positive True Logic