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參數(shù)資料
| 型號(hào)： | UC1625N |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Brushless DC Motor Controller |
| 中文描述： | 無(wú)刷直流電機(jī)控制器 |
| 文件頁(yè)數(shù)： | 3/15頁(yè) |
| 文件大小： | 313K |
| 代理商： | UC1625N |
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3
UC1625
UC2625
UC3625
ELECTRICAL CHARACTERISTICS:
Unless otherwise stated, these specifications apply for: T
A
= 25
°
C; Pwr V
CC
= V
CC
= 12V;
R
OSC=
20k to V
REF
; C
OSC
= 2nF; R
TACH
= 33k; C
TACH
= 10nF; and all outputs unloaded. T
A
= T
J.
PARAMETER
TEST CONDITIONS
PWM Amp/Comparator (cont.)
E/A Out Range
S
START
Pull-up Current
To 0V
S
START
Discharge Current
To 2.5V
S
START Restart Threshold
Current Amp
Gain
I
SENSE1
= .3V, I
SENSE2
= .5V to .7V
MIN
TYP
MAX
UNITS
0.25
–16
0.1
0.1
3.50
–5
3.0
0.3
V
μ
A
mA
V
–10
0.4
0.2
1.75
1.95
2.15
V/V
Level Shift
Peak Current Threshold
Over Current Threshold
I
SENSE1
, I
SENSE2
Input Current
I
SENSE1
, I
SENSE2
Offset Current
Range I
SENSE1
, I
SENSE2
Tachometer/Brake
Tach-Out High Level
Tach-Out Low Level
On Time
On Time Change With Temp
RC-Brake Input Current
Threshold to Brake, RC-Brake
Brake Hysteresis, RC-Brake
Speed-In Threshold
Speed-In Input Current
Low-Side Drivers
Voh, –1mA, Down From V
CC
V Voh, –50mA, Down From V
CC
Vol, 1mA
Vol, 50mA
Rise/Fall Time
High-Side Drivers
Vol, 1mA
Vol, 50mA
Leakage Current
Fall Time
Oscillator
Frequency
Frequency
Reference
Output Voltage
Output Voltage
Load Regulation
Line Regulation
Short Circuit Current
I
SENSE1
= .3V, I
SENSE2
= .3V
I
SENSE1
= 0V, Force I
SENSE2
I
SENSE1
= 0V, Force I
SENSE2
To 0V
To 0V
2.4
0.14
0.26
–850
2.5
0.20
0.30
–320
±
2
2.65
0.26
0.36
0
±
12
2
V
V
V
μ
A
μ
A
V
–1
Over Operating Range, 10k to 2.5V
Over Operating Range, 10k to 2.5V
4.7
5
5.3
0.2
280
V
V
μ
s
%
mA
V
V
mV
μ
A
170
220
0.1
–1.9
1.0
0.09
257
–5
Over Operating Range
To 0V
Over Operating Range
–4.0
0.8
1.2
Over Operating Range
220
–30
290
30
Over Operating Range
Over Operating Range
Over Operating Range
Over Operating Range
10% to 90% Slew Time, into 1nF
1.60
1.75
0.05
0.36
50
2.1
2.2
0.4
0.8
V
V
V
ns
Over Operating Range
Over Operating Range
Output Voltage = 50V
10% to 90% Slew Time, 50mA Load
0.1
1.0
0.4
1.8
25
V
V
μ
A
ns
50
40
35
50
60
65
kHz
kHz
Over Operating Range
4.9
4.7
–40
–10
50
5.0
5.0
–5
–1
100
5.1
5.3
V
V
Over Operating Range
0mA to –20mA Load
10V to 18V V
CC
Over Operating Range
mV
mV
mA
10
150
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