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UC1832L883B データシート(PDF) 3 Page - Texas Instruments

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部品番号 UC1832L883B
部品情報  Precision Low Dropout Linear Controllers
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

UC1832L883B データシート(HTML) 3 Page - Texas Instruments

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PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Input Supply
Supply Current
+VIN = 6 V
6.5
10
mA
+VIN = 36 V
9.5
15
mA
Logic Disable = 2 V (UCx832 only)
3.3
mA
Reference Section
Output Voltage (Note 3)
TJ = 25
°C, IDRIVER = 10 mA
1.98
2.00
2.02
V
over temperature, IDRIVER = 10 mA
1.96
2.00
2.04
V
Load Regulation (UCx832 only)
IO = 0 to 10 m
-10
-5.0
mV
Line Regulation
+VIN = 4.5
V to 36 V, IDRIVER = 10 m
0.033
0.5
mV/V
Under-Voltage Lockout Threshold
3.6
4.5
V
Logic Disable Input (UCx832 only)
Threshold Voltage
1.3
1.4
1.5
V
Input Bias Current
Logic Disable = 0 V
-5.0
-1.0
µA
Current Sense Section
Comparator Offset
95
100
105
mV
Over Temperature
93
100
107
mV
Amplifier Offset (UCx833 only)
110
135
170
mV
Amplifier Offset (UCx832 only)
VADJ = Open
110
135
170
mV
VADJ = 1 V
180
235
290
mV
VADJ = 0 V
250
305
360
mV
Input Bias Current
VCM = +VIN
65
100
135
µA
Input Offset Current (UCx832 only)
VCM = +VIN
-10
10
µA
Amplifier CMRR (UCx832 only)
VCM = 4.1 V to + VIN + 0.3
80
dB
Transconductance
ICOMP =
±100 µA65
mS
VADJ Input Current (UCx832 only)
VADJ = 0V
-10
-1
µA
Timer
Inactive Leakage Current
C/S(+) = C/S(-) = +VIN; TRC pin = 2 V
0.25
1.0
µA
Active Pullup Current
C/S(+) = +VIN, C/S(-) = +VIN - 0.4V; TRC pin = 0 V
-345
-270
-175
µA
Duty Ratio (note 4)
ontime/period, RT = 200k, CT = 0.27
µF4.8
%
Period (notes 4,5)
ontime + offtime, RT = 200k, CT = 0.27
µF
36
ms
Upper Trip Threshold (Vu)
1.8
V
Lower Trip Threshold (Vl)
0.9
V
Trip Threshold Ratio
Vu/Vl
2.0
V/V
Error Amplifier
Input Offset Voltage (UCx832 only)
VCM = VCOMP = 2 V
-8.0
8.0
mV
Input Bias Current
VCM = VCOMP = 2 V
-4.5
-1.1
µA
Input Offset Current (UCx832 only)
VCM = VCOMP = 2 V
-1.5
1.5
µA
AVOL
VCOMP = 1 V to 13 V
50
70
dB
CMRR (UCx832 only)
VCM = 0V to +VIN - 3 V
60
80
dB
PSRR (UCx832 only)
VCM = 2 V, +VIN = 4.5
V to 36
90
dB
Transconductance
ICOMP =
±10 µA4.3
mS
VOH
ICOMP = 0, Volts below +VIN
.95
1.3
V
VOL
ICOMP = 0
.45
0.7
V
IOH
VCOMP = 2 V
-700
-500
-100
µA
UC1832
UC2832/3
UC3832/3
Unless otherwise stated, specifications hold for
TA = 0°C to 70°C for the UC3832/3, –40°C to 85°C
for the UC2832/3, +VIN = 15V, Driver sink = +VIN, C/S(+) voltage = +VIN. TA=TJ.
ELECTRICAL CHARACTERISTICS:
3


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