MC34063A
DC/DC CONVERTER CONTROL CIRCUIT
SPEC NO: DS34063A-00
!
ELECTRICAL CHARACTERISTICS
(VCC= 5V, Ta=25°
C
, unless otherwise specified.)
°
PARAMETER
Oscillator
Charging Current
Discharge Current
Voltage Swing
Discharge to Charge Current
Ratio
Current Limit Sense Voltage
Output Switch
Saturation Voltage, Darlington
Connection
Saturation Voltage
I
SW
=1.0A;
V
C(DRIVER)
=V
C(SWITCH)
I
SW
=1.0A; I
C(DRIVER)
=50mA
(Forced
β≅20)
I
SW
=1.0A; V
CE
=5.0V
V
CE
=30V
V
CE(SAT)
1.0
1.3
V
5.0V≤VCC≤30V
5.0V≤VCC≤30V
PIN 3
V
IPK(SENSE)
=VCC
I
CHG
I
DISCHG
V
OSC
I
DISCHG/
I
CHG
10
100
25
150
0.6
6.0
40
200
µA
µA
V
TEST CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
I
CHG
=I
DISCHG
V
IPK(SENSE)
250
300
350
mV
V
CE (SAT)
0.4
0.7
V
DC Current Gain
Collector Off-State Current
Comparator
Threshold Voltage
Threshold Voltage
Threshold Voltage Line
Regulation
Input Bias Current
Supply current
h
FE
I
C(OFF)
35
120
10
nA
0°C≤Ta≤70°C
V
FB
1.227
1.21
1.25
1.273
1.29
V
V
mV/V
3.0V≤VCC≤30V
REG
LINE
0.1
0.3
V
IN
=0V
V
IPK(SENSE)
=VCC
V
PIN 5
>V
FB
5.0V≤VCC≤30V
C
T
=0.001µF, PIN 2=GND
Remaining pins open
I
IB
I
CC
0.4
1.6
1
3
µA
mA
ANALOG INTEGRATIONS CORPORATION
4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C.
www.analog.com.tw
TEL: (8863)577-2500 FAX:(8863)577-2510
3
AIC [ ANALOG INTERGRATIONS CORPORATION ]
