MC34067, MC33067
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
(V
CC
= 12 V [Note 2], R
OSC
= 18.2 k, R
VFO
= 2940
W
, C
OSC
= 300 pF, R
T
= 2370
W
, C
T
= 300 pF, C
L
= 1.0 nF. For typical values
T
A
= 25
°
C, for min/max values T
A
is the operating ambient temperature range that applies (Note 3), unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Output Voltage (I
O
= 0 mA, T
J
= 25
°
C)
V
ref
5.0
5.1
5.2
V
Line Regulation (V
CC
= 10 V to 18 V)
Reg
line
−
1.0
20
mV
Load Regulation (I
O
= 0 mA to 10 mA)
Reg
load
−
1.0
20
mV
Total Output Variation Over Line, Load, and Temperature
V
ref
4.9
−
5.3
V
Output Short Circuit Current
(0
°
C to 70
°
C)
(
−
40
°
C to 85
°
C)
I
O
30
25
100
100
190
225
mA
Reference Undervoltage Lockout Threshold
V
th
3.8
4.3
4.8
V
ERROR AMPLIFIER
Input Offset Voltage (V
CM
= 1.5 V)
V
IO
−
1.0
10
mV
Input Bias Current (V
CM
= 1.5 V)
I
IB
−
0.2
1.0
m
A
Input Offset Current (V
CM
= 1.5 V)
I
IO
−
0
0.5
m
A
Open Loop Voltage Gain (V
CM
= 1.5 V, V
O
= 2.0 V)
A
VOL
70
100
−
dB
Gain Bandwidth Product (f = 100 kHz)
T
A
= 25
°
C
T
A
= T
low
to T
high
GBW
3.0
2.7
5.0
−
−
−
MHz
Input Common Mode Rejection Ratio (V
CM
= 1.5 V to 5.0 V)
CMR
70
95
−
dB
Power Supply Rejection Ratio (V
CC
= 10 V to 18 V, f = 120 Hz)
PSR
80
100
−
dB
Output Voltage Swing
High State (I
source
= 2.0 mA)
Low State (I
sink
= 4.0 mA)
V
OH
V
OL
2.8
−
3.2
0.6
−
0.8
V
1. Maximum package power dissipation limits must be observed.
2. Adjust V
CC
above the Startup Threshold voltage before setting to 12 V.
3. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
4. T
low
= 0
°
C for MC34067
=
−
40
°
C for MC33067
T
high
= + 70
°
C for MC34067
= + 85
°
C for MC33067
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