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UC1637-SP Datasheet(PDF) 3 Page - Texas Instruments

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No. de pieza UC1637-SP
Descripción Electrónicos  RAD-TOLERANT CLASS-V, SWITCHED MODE CONTROLLER FOR DC MOTOR DRIVE
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

UC1637-SP Datasheet(HTML) 3 Page - Texas Instruments

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UC1637-SP
www.ti.com
SLUS950 – FEBRUARY 2010
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range, VS = 15 V, –VS = –15 V, +VTH = 5 V, –VTH = –5 V, RT = 16.7 kΩ, CT = 1500 pF,
TA = –55°C to 125°C = TJ (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OSCILLATOR
TJ = 25°C
9.4
10
10.6
Initial accuracy(1)
kHz
TJ = –55°C to 125°C
9.2
10.8
VS = ±5 V to ±20 V, +VTH = 3 V,
Voltage stability
5
7
%
-VTH = –3 V
Temperature stability
Over operating range
0.5
%
+VTH
CT = 6 V
–10
0.1
10
Input bias current
mA
–VTH
CT = 0 V
–10
–0.5
Input range (+VTH, –VTH)
–VS+2
+VS-2
V
ERROR AMPLIFIER
Input offset voltage
VCM = 0 V
1.5
±5
mV
Input bias current
VCM = 0 V
0.5
5
mA
Input offset current
VCM = 0 V
0.1
±1
mA
Common mode range
VS = ±2.5 V to ±20 V
–VS+2
+VS
V
Open loop volage gain
RL = 10k
75
100
dB
Slew rate
15
V/ms
Unity gain bandwidth
1
MHz
CMRR
Over common mode range
75
100
dB
PSRR
VS = ±2.5 V to ±20 V
75
110
dB
Output sink current
E/AOUTPUT = 0 V
20
50
mA
Output source current
E/AOUTPUT = 0 V
–11
–5
mA
High level output voltage
13
13.6
V
Low level output voltage
–14.8
–13
V
PWM COMPARATORS
Input offset voltage
VCM = 0 V
–10
20
50
mV
Input bias current
VCM = 0 V
2
10
mA
Input Hysteresis
VCM = 0 V
10
30
mV
Common mode range
VS = ±5 V to ±20 V
–VS+1
+VS-2
V
CURRENT LIMIT
VCM = 0 V, TJ = 25°C
190
200
210
Input offset voltage
mV
VCM = 0 V, TJ = –55°C to 125°C
160
370
Input offset voltage T.C.
–0.2
mV/°C
Input bias current
–10
–1.5
mA
Common mode range
VS = ±2.5 V to ±20 V
–VS
+VS-3
V
SHUTDOWN
Shutdown threshold(2)
–2.7
–2.5
–2.3
V
Hysteresis
40
mV
Input bias current
SHUTDOWN = +VS to –VS
–10
–0.5
mA
UNDER-VOLTAGE LOCKOUT
Start threshold(3)
4.15
5
V
Hysteresis
75
250
500
mV
TOTAL STANDBY CURRENT
Supply current
8.5
15
mA
(1)
RT and CT referenced to ground.
(2)
Parameter measured with respect to +VS (Pin 6).
(3)
Parameter measured at +VS (Pin 6) with respect to -VS (Pin 5).
Copyright © 2010, Texas Instruments Incorporated
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