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參數(shù)資料
| 型號(hào)： | UCC3830SMD-5 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 5-Bit Microprocessor Power Supply Controller |
| 中文描述： | 5位微處理器電源控制器 |
| 文件頁(yè)數(shù)： | 3/10頁(yè) |
| 文件大?。?/td> | 419K |
| 代理商： | UCC3830SMD-5 |
3
UCC3830-4/-5/-6
ELECTRICAL CHARACTERISTICS:
Unless otherwise specified, VIN = 12V, VSENSE = 3.5V, VD0 = VD1 = VD2 = VD3 =
VD4 = 0V, 0°C < T
A
< 70°C, T
A
= T
J
.
PARAMETER
TEST CONDITIONS
OV Comparator
Trip Point
% Over COMMAND Voltage (Note 1), D0 = D1 = D2 = D4
= Open, D3 = GND
Hysteresis
PWRGOOD Equivalent Resistance VSENSE = 2.0V
UV Comparator
Trip Point
% Over COMMAND Voltage (Note 1), D0 = D1 = D2 = D4
= Open, D3 = GND
Hysteresis
Voltage Error Amplifier
Input Bias Current
V
CM
= 3.0V
Open Loop Gain
1.5V < V
COMP
< 2.5V, D4 = D3 = D2 = D1 = GND, D0 =
Open
Power Supply Rejection Ratio
10.8V < VIN < 15V
Output Sourcing Current
V
VFB
= 2V, V
COMMAND
= V
COMP
= 2.5V
Output Sinking Current
V
VFB
= 3V, V
COMMAND
= V
COMP
= 2.5V
Current Sense Amplifier
Gain
Input Resistance
Common Mode Rejection Ratio
0V < V
CM
< 4.5V
Power Supply Rejection Ratio
10.8V < VIN < 15V
Output Sourcing Current
V
IS
– = 2V, V
ISOUT
= V
IS
+ = 2.5V
Output Sinking Current
V
IS–
= 3V, V
ISOUT
= V
IS+
= 2.5V
Current Amplifier
Input Offset Voltage
V
CM
= 3.0V
Input Bias Current
V
CM
= 3.0V
Open Loop Gain
1V < V
CAO/ENBL
< 2.5V
Output Voltage High
V
COMP
= 3V, V
CAM
= 2.5V
Power Supply Rejection Ratio
10.8V < VIN < 15V
Output Sourcing Current
V
CAM
= 2V, V
CAO/ENBL
= V
COMP
= 2.5V
Output Sinking Current
V
CAM
= 3V, V
CAO/ENBL
= V
COMP
= 2.5V
Oscillator
Frequency (-4)
Frequency (-5)
Frequency (-6)
Frequency Change With Voltage
10.8V < VIN < 15V
Output Section
Maximum Duty Cycle
Output Low Voltage
I
GATE
= –100mA
Output High Voltage
I
GATE
= 100mA
Rise Time
C
GATE
= 3.3nF
Fall Time
C
GATE
= 3.3nF
Foldback Current Limit
Clamp Level
Measured at Voltage EA Output;
V
SENSE
= V
COMMAND
= 3V
V
COMMAND
= 3V, V
SENSE
= 0
MIN
TYP
MAX
UNITS
5
8.5
12
%
20
30
470
mV
–12
–8.5
–5
%
20
30
mV
–0.5
–0.02
80
0.5
μ
A
dB
85
–0.5
1
dB
mA
mA
–0.3
0.5
14.25
15.25
V/V
k
dB
dB
mA
mA
3
60
80
–0.5
8
–0.3
5
–12
12
mV
μ
A
dB
V
dB
mA
mA
–0.1
80
3.2
80
–1
5
–0.5
3
85
170
340
100
200
400
1
115
230
460
kHz
kHz
kHz
%
90
95
0.2
11.8
20
15
99
%
V
V
ns
ns
70
70
4.28
V
3.64
V
Note 1: This percentage is measured with respect to the ideal COMMAND voltage programmed by the D0 - D4 pins.
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