參數(shù)資料
型號(hào)： UC384XBVD
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： HIGH PERFORMANCE CURRENT MODE CONTROLLERS
中文描述： 8.8 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14
封裝： PLASTIC, SOIC-14
文件頁(yè)數(shù)： 3/8頁(yè)
文件大?。?/td> 463K
代理商： UC384XBVD
PARAMETER
TEST CONDITIONS
UC1842/3/4/5
UC2842/3/4/5
MIN
TYP
UC3842/3/4/5
UNITS
MAX
MIN
TYP
MAX
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temp. Stability
Total Output Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit
Oscillator Section
Initial Accuracy
Voltage Stability
Temp. Stability
Amplitude
Error Amp Section
Input Voltage
Input Bias Current
A
VOL
Unity Gain Bandwidth
PSRR
Output Sink Current
Output Source Current
V
OUT
High
V
OUT
Low
Current Sense Section
Gain
Maximum Input Signal
PSRR
Input Bias Current
Delay to Output
T
J
= 25°C, I
O
= 1mA
12
≤
V
IN
≤
25V
1
≤
I
0
≤
20mA
(Note 2) (Note 7)
Line, Load, Temp. (Note 2)
10Hz
≤
f
≤
10kHz, T
J
= 25°C (Note2)
T
A
= 125°C, 1000Hrs. (Note 2)
4.95
5.00
6
6
0.2
5.05
20
25
0.4
5.1
4.90
5.00
6
6
0.2
5.10
20
25
0.4
5.18
V
mV
mV
mV/°C
V
μ
V
mV
mA
4.9
4.82
50
5
-100
50
5
-100
25
-180
25
-180
-30
-30
T
J
= 25°C (Note 6)
12
≤
V
CC
≤
25V
T
MIN
≤
T
A
≤
T
MAX
(Note 2)
V
PIN 4
peak to peak (Note 2)
47
52
0.2
5
1.7
57
1
47
52
0.2
5
1.7
57
1
kHz
%
%
V
V
PIN 1
= 2.5V
2.45
2.50
-0.3
90
1
70
6
-0.8
6
0.7
2.55
-1
2.42
2.50
-0.3
90
1
70
6
-0.8
6
0.7
2.58
-2
V
μ
A
dB
MHz
dB
mA
mA
V
V
2
≤
V
O
≤
4V
(Note 2) T
J
= 25°C
12
≤
V
CC
≤
25V
V
PIN 2
= 2.7V, V
PIN 1
= 1.1V
V
PIN 2
= 2.3V, V
PIN 1
= 5V
V
PIN 2
= 2.3V, R
L
= 15k to ground
V
PIN 2
= 2.7V, R
L
= 15k to Pin 8
65
0.7
60
2
-0.5
5
65
0.7
60
2
-0.5
5
1.1
1.1
(Notes 3 and 4)
V
PIN 1
= 5V (Note 3)
12
≤
V
CC
≤
25V (Note 3) (Note 2)
2.85
0.9
3
1
3.15
1.1
2.85
0.9
3
1
3.15
1.1
V/V
V
dB
μ
A
ns
70
-2
150
70
-2
150
-10
300
-10
300
V
PIN 3
= 0 to 2V (Note 2)
UC1842/3/4/5
UC2842/3/4/5
UC3842/3/4/5
ELECTRICAL CHARACTERISTICS:
Unless otherwise stated, these specifications apply for -55°C
≤
T
A
≤
125°C for the
UC184X; -40°C
≤
T
A
≤
85°C for the UC284X; 0
°
C
≤
T
A
≤
70°C for the 384X; V
CC
=
15V (Note 5); R
T
= 10k; C
T
=3.3nF, T
A
=T
J.
Note 2: These parameters, although guaranteed, are not 100% tested in production.
Note 3: Parameter measured at trip point of latch with V
PIN 2
= 0.
Note 4: Gain defined as
A
=
V
PIN1
V
PIN3
, 0
≤
V
PIN3
≤
0.8V
Note 5: Adjust V
CC
above the start threshold before setting at 15V.
Note 6: Output frequency equals oscillator frequency for the UC1842 and UC1843.
Output frequency is one half oscillator frequency for the UC1844 and UC1845.
Note 7: Temperature stability, sometimes referred to as average temperature coefficient, is described by the equation:
TempStability
=
V
REF
(
max
)
V
REF
(
min
)
T
J
(
max
)
T
J
(
min
)
V
REF
(max) and V
REF
(min) are the maximum and minimum reference voltages measured over the appropriate
temperature range. Note that the extremes in voltage do not necessarily occur at the extremes in temperature.
3
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