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UC1543 Scheda tecnica(PDF) 3 Page - Texas Instruments

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Il numero della parte UC1543
Spiegazioni elettronici  Power Supply Supervisory Circuit
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

UC1543 Scheda tecnica(HTML) 3 Page - Texas Instruments

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PARAMETER
TEST CONDITIONS
UC1543/UC1544
UC2543/UC2544
UC3543/UC3544
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
Input Voltage Range
TJ = 25°C to TMAX
4.5
40
4.5
40
V
TMIN to TMAX
4.7
40
4.7
40
V
Supply Current
VIN = 40V, Output Open, TJ = 25°C
7
10
7
10
mA
TMIN
≤ TJ ≤ TMAX
15
15
mA
Reference Section
Output Voltage
TJ = 25°C
2.48
2.50
2.52
2.45
2.50
2.55
V
Output Voltage
Over Temperature Range
2.45
2.55
2.40
2.60
V
Line Regulation
VIN = 5 to 30V
1
5
1
5
mV
Load Regulation
IREF = 0 to 10mA
1
10
1
10
mV
Short Circuit Current
VREF = 0
-10
-20
-40
-12
-20
-40
mA
Temperature Stability
50
50
ppm/°C
SCR Trigger Section
Peak Output Current
VIN = 5V, RG = 0, VO = 0
-100
-300
-600
-100
-300
-600
mA
Peak Output Voltage
VIN = 15V, IO = -100mA
12
13
12
13
V
Output Off Voltage
VIN = 40V
0
0.1
0
0.1
V
Remote Activate Current
R/A Pin = Gnd
-0.4
-0.8
-0.4
-0.8
mA
Remote Activate Voltage
R/A Pin Open
2
6
2
6
V
Reset Current
Reset = Gnd, R/A = Gnd
-0.4
-0.8
-0.4
-0.8
mA
Reset Voltage
Reset open, R/A = Gnd
2
6
2
6
V
Output Current Rise Time
RL = 50
Ω, TJ = 25°C, CD = 0
400
400
mA/
µs
Prop. Delay from R/A
RL = 50
Ω, TJ = 25°C, CD = 0
300
300
ns
Prop. Delay from O/V input RL = 50
Ω, TJ = 25°C, CD = 0
500
500
ns
Comparator Section
Input Threshold (Input
voltage rising on O.V. and
falling on U.V.)
TJ = 25°C
2.45
2.50
2.55
2.40
2.50
2.60
V
Over Temperature Range
2.40
2.60
2.35
2.65
V
Input Hysteresis
25
25
mV
Input Bias Current
Sense Input = 0V
-0.3
-1.0
-0.3
-1.0
µA
Delay Saturation
0.2
0.5
0.2
0.5
V
Delay High Level
6
7
6
7
V
Delay Charging Current
VO = 0
-200
-250
-300
-200
-250
-300
µA
Indicate Saturation
IL = 10mA
0.2
0.5
0.2
0.5
V
Indicate Leakage
VIND = 40V
.01
1.0
.01
1.0
µA
Propagation Delay
Input Over Drive = 200mV, TJ = 25°C, CD = 0
400
400
ns
Input Over Drive = 200mV, TJ = 25°C, CD = 1
µF10
10
ms
Current Limit Section
Input Voltage Range
0
VIN -3V
0
VIN -3V
V
Input Bias Current
Offset Pin Open, VCM = 0
-0.3
-1.0
-0.3
-1.0
µA
Input Offset Voltage
Offset Pin Open, VCM = 0
0
10
0
10
mV
10k
Ω from Offset Pin to Gnd
80
100
120
80
100
120
mV
CMRR
0
≤ VCM ≤ 12V, VIN = 15V
6070
6070
dB
AVOL
Offset Pin Open, VCM = 0V,
RL = 10k to 15k
Ω, ∆VOUT = 1 to 6V
72
80
72
80
dB
Output Saturation
IL = 10mA
0.2
0.5
0.2
0.5
V
Output Leakage
VIND = 40V
.01
1.0
.01
1.0
µA
Small Signal Bandwidth
AV = 0dB, TJ = 25°C
5
5
MHz
Propagation Delay
VOVERDRIVE = 100mV, TJ = 25°C
200
200
ns
ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for TA = -55°C to +125°C for the
UC1543 and UC1544; -25°C to +85°C for the UC2543 and UC2544; and 0°C to +70°C for the UC3543 and UC3544. Electrical
tests are performed with VIN = 10V and 2k
Ω pull-up resistors on all indicator outputs. All electrical specifications for the UC1544,
UC2544, and UC3544 devices are tested with the inverting over-voltage input and the non-inverting under-voltage input externally
connected to the 2.5V reference. TA = TJ.
UC1543
UC1544
UC2543
UC2544
UC3543
UC3544
3


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