MC34166 ON Semiconductor, MC34166 Datasheet - Page 5
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MC34166
Manufacturer Part Number
MC34166
Description
(MC33166 / MC34166) Step-Up/Down/Inverting Switching Regulators
Manufacturer
ON Semiconductor
Datasheet
1.MC34166.pdf
(18 pages)
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− 0.5
− 2.0
− 2.5
− 3.0
−1.0
−1.5
4.7
4.5
4.3
4.1
3.9
6.5
6.0
5.5
5.0
4.5
4.0
− 55
− 55
0
0
Figure 8. Switch Output Source Saturation
Figure 10. Switch Output Current Limit
− 25
− 25
I
Source
Figure 12. Undervoltage Lockout
Threshold versus Temperature
Threshold versus Temperature
1.0
, SWITCH OUTPUT SOURCE CURRENT (A)
T
T
A
A
versus Source Current
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
0
0
2.0
25
25
V
CC
Turn−Off Threshold
Startup Threshold
V
50
V
50
CC
3.0
CC
Decreasing
Increasing
V
Pins 1, 2, 3 = GND
CC
75
75
= 12 V
T
A
= +25°C
4.0
MC34166, MC33166
100
100
http://onsemi.com
125
125
5.0
5
− 0.2
− 0.4
− 0.6
− 0.8
−1.0
−1.2
160
120
− 55
40
30
20
80
40
10
0
0
0
0
0
Pin 4 = V
Pins 1, 3, 5 = GND
Pin 2 Open
T
V
Pin 5 = 2.0 V
Pins 1, 3 = GND
Pin 2 Driven Negative
A
Figure 9. Negative Switch Output Voltage
CC
= +25°C
− 25
Figure 13. Operating Supply Current
= 12 V
Figure 11. Standby Supply Current
CC
10
10
T
versus Supply Voltage
versus Supply Voltage
A
0
, AMBIENT TEMPERATURE (°C)
versus Temperature
V
I
V
sw
CC
CC
= 10 mA
, SUPPLY VOLTAGE (V)
, SUPPLY VOLTAGE (V)
25
20
20
GND
50
I
sw
Pin 4 = V
Pins 1, 3 = GND
Pins 2, 5 Open
T
75
A
= 100 mA
30
30
= +25°C
CC
100
125
40
40