MC34063EC STMicroelectronics, MC34063EC Datasheet - Page 6

• Manufacturer Part Number: MC34063EC
• Description: DC-DC CONVERTER CONTROL CIRCUITS
• Manufacturer: STMicroelectronics

Specifications of MC34063EC

• Low Quiescent Current: 2.5 mA (typ.)

4
Table 5.
Table 6.
Table 7.
6/23
I
Symbol
Symbol
DISCHG
V
V
V
Reg
I
CE(sat)
CE(sat)
Symbol
I
IPK(sense)
C(off)
V
h
DISCHG
I
I
FE
IB
f
TH
OSC
CHG
line
/I
CHG
Saturation voltage, darlington
connection
Saturation voltage
DC current gain
Collector off-state current
Threshold voltage
Threshold voltage line
regulation
Input bias current
Electrical characteristics
(Refer to the test circuits, V
Note
Oscillator
Output switch
Comparator
Frequency
Charge current
Discharge current
Discharge to charge
current ratio
Current limit sense voltage I
2)
Parameter
Parameter
Parameter
CC
I
I
Forced β ~ 20
I
V
T
T
V
V
V
V
V
PIN 7 = V
SW
SW
SW
CHG
A
A
CE
CC
IN
PIN5
CC
CC
= 25°C
= T
= 5 V, T
= 0 V
= 1 A, PIN 7, 8 connected
= 1 A, R
= 1 A,V
= 40 V
= 3 to 40 V
= 5 to 40V, T
= 5 to 40V, T
= I
LOW
= 0V, C
DISCHG,
Test conditions
Test conditions
Test conditions
CC
to T
CE
A
PIN8
, T
T
= T
= 5 V, T
HIGH
A
= 1 nF, T
T
= 25°C
= 82 Ω to V
A
A
A
LOW
= 25°C
= 25°C
= 25°C
A
to T
= 25°C
A
= 25°C
HIGH
CC
, unless otherwise specified, see
1.225
Min.
Min.
Min.
1.21
140
250
5.2
24
24
50
Typ.
Typ.
0.45
0.01
Typ.
1.25
200
300
120
6.2
33
33
-5
1
1
1.275
Max.
Max.
Max.
1.29
-400
260
350
100
7.5
1.3
0.7
42
42
5
Unit
Unit
Unit
kHz
mV
mV
µA
µA
µA
µA
nA
V
V
V