參數(shù)資料
型號(hào): UCC1580J-1
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Ultra low drop voltage regulators with inhibit low ESR output capacitors compatible
中文描述: 電壓模式開關(guān)電源控制器
文件頁(yè)數(shù): 3/10頁(yè)
文件大?。?/td> 371K
代理商: UCC1580J-1
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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相關(guān)PDF資料
PDF描述
UCC1580QTR-1 Very low drop and low noise voltage regulator with inhibit function, low ESR capacitors compatible
UCC1580QTR-2 Very low drop and low noise voltage regulator low ESR capacitors compatible, with inhibit function
UCC1580QTR-3 Very low drop and low noise voltage regulator low ESR capacitors compatible, with inhibit function
UCC1580QTR-4 Very low drop and low noise voltage regulator low ESR capacitors compatible, with inhibit function
UCC1583J Very low drop and low noise voltage regulator low ESR capacitors compatible, with inhibit function
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