MC34063A/MC33063A
Absolute Maximum Ratings
Parameter
Supply Voltage
Comparator Input Voltage Range
Switch Collector Voltage
Switch Emitter Voltage
Switch Collector To Emitter Voltage
Driver Collector Voltage
Switch Current
Storage Temperature Range
Symbol
V
CC
V
I(COMP)
V
C(SW)
V
E(SW)
V
CE(SW)
V
C(DR)
I
SW
T
STG
Value
40
- 0.3 ~ + 40
40
40
40
40
1.5
- 65 ~ + 150
Unit
V
V
V
V
V
V
A
°C
Electrical Characteristics
(V
CC
= 5.0V, T
A
= 0°C to +70°C for the MC34063, T
A
= -40°C to the +85°C for the MC33063, unless otherwise
specified)
Parameter
OSCILLATOR
Charging Current
Discharging Current
Oscillator Amplitude
Discharge To Charge Current Ratio
Current Limit Sense
Voltage
OUTPUT SWITCH
Saturation Voltage 1 (Note)
Saturation Voltage 2 (Note)
DC Current Gain (Note)
Collector off State Current (Note)
COMPARATOR
Threshold Voltage
Threshold Voltage Line Regulation
Input Bias Current
TOTAL DEVICE
Supply Current
MC34063
MC33063
V
CC
= 5 to 40V
C
T
= 0.001uF
V
7
= V
CC,
V
5
>V
TH
pin2 = GND
-
-
-
-
4.0
mA
5.0
V
TH
∆V
TH
I
BIAS
V
I
= 0V
-
V
CC
= 3 to 40V
1.21
-
-
1.24
2.0
50
1.29
5.0
400
V
mV
nA
V
CE(SAT)
1
V
CE(SAT)
2
G
I(DC)
I
C(OFF)
I
SW
= 1.0A
V
C
(driver) = V
C
(SW)
I
SW
= 1.0A,
V
C
(driver) = 50mA
I
SW
= 1.0A,
V
CE
= 5.0V, T
A
= 25°C
V
CE
= 40V, T
A
= 25°C
-
-
50
-
0.95
0.45
180
0.01
1.3
0.7
-
100
V
V
-
µA
I
CHG
I
DISCHG
V
(OSC)
K
V
SENSE(C.L)
V
CC
= 5 to 40V
T
A
= 25°C
V
CC
= 5 to 40V
T
A
= 25°C
T
A
= 25°C
V
7
= V
CC ,
T
A
= 25°C
I
CHG
= I
DISCHG
T
A
= 25°C
22
140
-
5.2
250
31
190
0.5
6.1
300
42
260
-
7.5
350
µA
µA
V
-
mV
Symbol
Conditions
Min.
Typ. Max.
Unit
I
CC
Note :
Output switch tests are performed under pulsed conditions to minimize power dissipation
2
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
