SLUS191C – FEBRUARY 1997 – REVISED JANUARY 2008
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ELECTRICAL CHARACTERISTICS
+V
IN
= 20 V, and over operating temperature, unless otherwise specified, T
A
= T
J
PARAMETER
REFERENCE
Output voltage
Line regulationg
Load regulationg
Temperature stability
(1)
TEST CONDITIONS
UC152xA, UC252xA
UC352xA
MIN
5.05
5.0
TYP
5.10
5.1
10
20
20
MAX
5.15
5.2
20
50
50
5.2
5.25
UNIT
T
J
= 25°C
V
IN
= 8 V to 35 V
I
L
= 0 mA to 20 mA
Over operating range
Line, load, and temperature
V
REF
= 0, T
J
= 25°C
10 Hz
≤
10 kHz, T
J
= 25°C
T
J
= 125°C
T
J
= 25°C
V
IN
= 8 V to 35 V
(1)
V
mV
Total output variation
(1)
Shorter circuit current
Output noise Voltage
(1)
Long term stability
Initial accuracy
(1)
(1)
UC152xA, UC252xA
UC352xA
5.0
4.95
80
40
20
2%
V
mA
µVrms
mV
100
200
50
6%
1%
2%
6%
120
OSCILLATOR SECTION
(2)
(2)
(2)
Voltage stability
(1)
UC152xA, UC252xA
UC352xA
0.3%
1%
3%
400
1.7
3.0
0.3
1.2
2.0
3.5
0.5
2.0
1.0
Temperature stability
Minimum frequency
Maximum frequency
Current mirror
Clock amplitude
Clock width
(1)
(1) (2)
(2)
Over operating range
R
T
= 200 kΩ, C
T
= 0.1
µF
R
T
= 2 kΩ, C
T
= 470 pF
I
RT
= 2 mA
T
J
= 25°C
(2)
Hz
kHz
mA
V
µs
V
mA
mV
2.2
1.0
2.8
2.5
5
10
10
1
Syncronization threshold
(1)
Sync input current
Sync voltage = 3.5 V
UC152xA, UC252xA
UC352xA
ERROR AMPLIFIER SECTION (V
CM
= 5.1 V)
Input offset voltage
Input bias current
Input offset current
DC open loop gain
Gain-bandwidth product
DC transconductanc
(1)
(1)
(3)
0.5
2
1
µA
dB
MHz
mS
R
L
≥
10 MΩ
A
V
= 0 dB, T
J
= 25°C
T
J
= 25°C, 30 kΩ
≤
R
L
≤
1 MΩ
60
1
1.1
3.8
75
2
1.5
0.2
5.6
75
60
0.5
Low-level output voltage
High-level output voltage
Common mode rejection
Supply voltage rejection
(1)
(2)
V
CM
= 1.5 V to 5.2 V
V
IN
= 8 V to 35 V
60
50
V
dB
These parameters, although ensured over the recommended operating conditions, are not 100% tested in production.
Tested at f
OSC
= 40 kHz (R
T
= 3.6 kΩ, C
T
= 0.01
µF,
R
D
= 0. Approximate oscillator frequency is defined by:
f
+
(3)
1
C
T
0.7R
T
)
3R
D
DC transconductance (g
M
) relates to DC open-loop voltage gain (A
V
) according to the following equation: A
V
= g
M
R
L
where R
L
is the
resistance from pin 9 to ground. The minimum g
M
specification is used to calculate minimum A
V
when the error amplifier output is
loaded.
4
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