參數(shù)資料
型號： UCC2583N
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Very low drop voltage regulators with inhibit
中文描述： 電流模式開關(guān)電源控制器
文件頁數(shù)： 3/10頁
文件大?。?/td> 371K
代理商： UCC2583N
3
UCC1580-1,-2,-3,-4
UCC2580-1,-2,-3,-4
UCC3580-1,-2,-3,-4
ELECTRICAL CHARACTERISTICS
Unless otherwise stated, all specifications are over the full temperature range, VDD
= 12V, R1 = 18.2k, R2 = 4.41k, C
T
= 100pF, R3 = 100k, C
OUT1
= 0, C
OUT2
= 0. T
A
= 0°C to 70°C for the UCC3580,
40°C to 85°C
for the UCC2580,
55°C to 125°C for the UCC1580, T
A
= T
J
.
PARAMETER
TEST CONDITIONS
Oscillator Section
Frequency
CLK Pulse Width
CLK V
OH
I
CLK
=
3mA
CLK V
OL
I
CLK
= 3mA
Ramp Generator Section
Ramp V
OL
I
RAMP
= 100
μ
A
Flux Comparator Vth
Pulse Width Modulator Section
Minimum Duty Cycle
OUT1, EAOUT = VOL
Maximum Duty Cycle
OUT1, EAIN = 2.6V
PWM Comparator Offset
Error Amplifier Section
EAIN
EAOUT = EAIN
I
EAIN
EAOUT = EAIN
EAOUT, VOL
EAIN = 2.6V, I
EAOUT
= 100
μ
A
EAOUT, VOH
EAIN = 2.4V, I
EAOUT
=
100
μ
A
AVOL
Gain Bandwidth Product
f = 100kHz (Note 1)
Softstart/Shutdown Section
Start Duty Cycle
EAIN = 2.4V
SS V
OL
I
SS
= 100
μ
A
SS Restart Threshold
I
SS
SHTDWN V
TH
I
SHTDWN
Undervoltage Lockout Section
VDD On
UCC3580-2,-4
UCC3580-1,-3
VDD Off
LINE On
LINE Off
I
LINE
LINE = 6V
Supply Section
VDD Clamp
I
VDD
= 10mA
I
VDD
Start
VDD < VDD On
I
VDD
Operating
No Load
Output Drivers Section
OUT1 V
SAT
High
I
OUT1
=
50mA
OUT1 V
SAT
Low
I
OUT1
=100mA
OUT2 V
SAT
High
I
OUT2
=
30mA
OUT2 V
SAT
Low
I
OUT2
= 30mA
OUT1 Fall Time
C
OUT1
= 1nF, R
S
= 3
OUT1 Rise Time
C
OUT1
= 1nF, R
S
= 3
OUT2 Fall Time
C
OUT2
= 300pF, R
S
= 10
MIN
TYP
MAX
UNITS
370
650
4.3
400
750
4.7
0.3
430
850
kHz
ns
V
V
0.5
50
3.33
100
3.50
mV
V
3.16
0
%
%
V
63
0.1
66
0.4
69
0.9
2.44
2.5
150
0.3
5
80
6
2.56
400
0.5
5.5
V
nA
V
V
dB
MHz
4
70
2
0
%
mV
mV
μ
A
V
nA
100
400
–20
0.5
50
350
550
–35
0.6
150
0.4
14
8
7.5
4.7
4.2
15
9
8.5
5
4.5
50
16
10
9.5
5.3
4.8
150
V
V
V
V
V
nA
14
15
160
2.5
16
250
3.5
V
μ
A
mA
0.4
0.4
0.4
0.4
20
40
20
1.0
1.0
1.0
1.0
50
80
50
V
V
V
V
ns
ns
ns
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