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UC2907NG4 Datasheet(PDF) 3 Page - Texas Instruments

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No. de pieza UC2907NG4
Descripción Electrónicos  LOAD SHARE CONTROLLER
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

UC2907NG4 Datasheet(HTML) 3 Page - Texas Instruments

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UC1907, UC2907, UC3907
LOAD SHARE CONTROLLER
SLUS165C – MARCH 1999 - REVISED JANUARY 2002
3
www.ti.com
electrical characteristics, these specifications apply for TA = –55°C to 125°C for UC1907, –40°C to
85
°C for UC2907, and 0°C to 70°C for UC3907, VIN = 15 V, TA = TJ (unless otherwise stated )
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Voltage Amp Section
Inp t oltage
COMP = 1 V,
TA = 25°C
1.975
2.000
2.025
V
Input voltage
COMP = 1 V,
over temp
1.960
2.000
2.040
V
Line regulation
VIN = 4.5 V to 35 V
15
mV
Load regulation
IL reference = 0.0 mA to –10 mA
10
mV
Long term stability
TA = 125°C,
1000hrs See Note 2
5
25
mV
Total output variation
Line, load, temp
1.960
2.040
Input adjust range
ADJ OUT from max high to max low
85
100
115
mV
Input bias current
–1
µA
Open loop gain
COMP = 0.75 V to 1.5 V
65
dB
Unity gain bandwidth
TA = 25°C
See Note 2
700
kHz
Output sink current
(+) SENSE = 2.2 V,
COMP = 1 V
6
15
mA
Output source current
(+) SENSE = 1.8 V,
COMP = 1 V
400
600
µA
VOUT high
(+) SENSE = 1.8 V,
IL = –400 µΑ
1.85
2
V
VOUT low
(+) SENSE = 2.2 V,
IL = 1 mA
0.15
0.40
V
Reference Section
O tp t oltage
TA = 25°C
1.970
2.000
2.030
V
Output voltage
Over operating temp
1.955
2.000
2.045
V
Short circuit current
VREF = 0.0 V
–15
–30
–60
mA
Ground Amp Section
Output voltage
200
250
300
mV
Common mode variation
(–) SENSE from 0.0 V to 2 V
5
mV
Load reg lation
IL = 0.0 mA to 20 mA,
TA = 25°C
10
mV
Load regulation
IL = 0.0 mA to 20 mA,
over temp
15
mV
Adjust Amp Section
Input offset voltage
ADJ OUT = 1.5 V, VCM = 0.0 V
40
50
60
mV
Input bias current
–2
µA
Open loop gain
1.5 V
≤ ADJ OUT ≤ 2.25 V
65
dB
Unity gain bandwidth
TA = 25°C,
COUT =1 µF
See Note 2
500
Hz
Transconductance
IOUT = –10 µA to 10 µA,
VOUT = 1.5 V
1.7
3
4.5
ms
Output sink current
VID = 0.0 V,
ADJ OUT = 1.5 V
55
135
225
µA
Output source current
VID = 250 mV,
ADJ OUT = 1.5 V
110
200
350
µA
VOUT high
VID = 250 mV,
IOUT = – 50 mA
2.20
2.70
2.90
V
VOUT low
VID = 0.0 V,
IOUT = 50 mA
0.75
1.15
V
Common mode rejection ratio
VCM = 0.0 to 10 V
70
dB
Output gain to V/A
VOUT ADJ OUT = 1.5 V to 2 V,
∆(+) SENSE/ ∆ADJ OUT
50
57
64
mV/V
NOTE 1: Unless otherwise specified all voltages are with respect to (–) SENSE. Currents are positive into, negative out of the specified terminal.
NOTE 2: Ensured by design. Not production tested.


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