ncv33063a ON Semiconductor, ncv33063a Datasheet - Page 4

• Manufacturer Part Number: ncv33063a
• Description: 1.5 A, Stepup/down/ Inverting Switching Regulators
• Manufacturer: ON Semiconductor

7. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible.
1000
500
200
100
400
380
360
340
320
300
280
260
240
220
200
5.0
2.0
1.0
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
50
20
10
−55
0.01 0.02
0
Figure 4. Emitter Follower Configuration Output
Figure 2. Output Switch On−Off Time versus
V
I
chg
Saturation Voltage versus Emitter Current
V
Pin 7 = V
Pin 5 = GND
T
CC
A
0.2
CC
Figure 6. Current Limit Sense Voltage
= I
= 25°C
= 5.0 V
−25
= 5.0 V
dischg
C
T
, OSCILLATOR TIMING CAPACITOR (nF)
CC
0.05 0.1
Oscillator Timing Capacitor
0.4
T
A
, AMBIENT TEMPERATURE (°C)
I
versus Temperature
0
E
, EMITTER CURRENT (A)
0.6
0.2
25
0.8
50
0.5 1.0
MC34063A, MC33063A, NCV33063A
1.0
t
on
V
Pins 1, 7, 8 = V
Pins 3, 5 = GND
T
(See Note 7)
A
CC
75
= 25°C
1.2
= 5.0 V
2.0
t
off
100
1.4
http://onsemi.com
CC
5.0 10
1.6
125
4
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
3.6
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
0
Figure 5. Common Emitter Configuration Output
0
0
V
Pin 7 = V
Pin 2 = GND
CC
V
Pin 7 = V
Pins 2, 3, 5 = GND
T
(See Note 7)
= 5.0 V
A
Figure 7. Standby Supply Current versus
Figure 3. Timing Capacitor Waveform
CC
0.2
= 25°C
5.0
= 5.0 V
CC
Switch Saturation Voltage versus
CC
0.4
10
I
C
Pins 1, 5, 8 = Open
C
T
V
, COLLECTOR CURRENT(A)
A
T
CC
Collector Current
= 25°C
= 1.0 nF
, SUPPLY VOLTAGE (V)
Supply Voltage
0.6
15
10 ms/DIV
0.8
20
1.0
25
Darlington Connection
C
Pin 7 = V
Pin 2 = GND
T
Forced b = 20
= 1.0 nF
1.2
30
CC
1.4
35
1.6
40