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参数资料
型号： 5962-9326502M2A
厂商： TEXAS INSTRUMENTS INC
元件分类： 模拟信号调理
英文描述： SPECIALTY ANALOG CIRCUIT, CQCC20
封装： LCC-20
文件页数： 34/45页
文件大小： 1128K
代理商： 5962-9326502M2A
Unless otherwise stated, specifications hold for TA = 0°C to 70°C for the UC3832/3, –25°C to
85°C for the UC2832/3, and –55°C to 125°C for the UC1832/3, +VIN = 15V, Driver sink =
+VIN, C/S(+) voltage = +VIN. TA=TJ.
ELECTRICAL
CHARACTERISTICS (cont.)
UC1832/3
UC2832/3
UC3832/3
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Error Amplifier (cont.)
IOL
VCOMP = 2V, C/S(-) = +VIN
100
500
700
A
VCOMP = 2V, C/S(-) = +VIN - 0.4V
2
6
mA
Driver
Maximum Current
Driver Limit & Source pins common; TJ = 25°C
200
300
400
mA
Over Temperature
100
300
450
mA
Limiting Voltage (UCx832 only)
Driver Limit to Source voltage at current limit,
ISOURCE = -10mA; TJ = 25°C (Note 6)
.72
V
Internal Current Sense Resistance
TJ = 25°C (Note 6)
2.4
Pull-Up Current at Driver Sink
Compensation/Shutdown = 0.4V; Driver Sink = +VIN - 1V
-800
-300
-100
A
Compensation/Shutdown = 0.4V, +VIN = 36V; Driver
Sink = 35V
-1000
-300
-75
A
Pull-Down Current at Driver Source
Compensation/Shutdown = 0.4V; Driver Source = 1V
150
300
700
A
Saturation Voltage Sink to Source
Driver Source = 0V; Driver Current = 100mA
1.5
V
Maximum Source Voltage
Driver Sink = +VIN, Driver Current = 100mA
Volts below +VIN
3.0
V
UVLO Sink Leakage
+VIN = C/S(+) = C/S(-) = 2.5V, Driver Sink = 15V, Driver
Source = 0V, TA = 25°C
25
A
Maximum Reverse Source Voltage
Compensation/Shutdown = 0V; ISOURCE = 100
A,
+VIN = 3V
1.6
V
Thermal Shutdown
160
°C
Note 3: On the UCx833 this voltage is defined as the regulating level at the error amplifier inverting input, with the error amplifier
driving VSOURCE to 2V.
Note 4: These parameters are first-order supply-independent, however both may vary with supply for +VIN less than about 4V. This
supply variation will cause a slight change in the timer period and duty cycle, although a high off-time/on-time ratio will be main-
tained.
Note 5: With recommended RT value of 200k, TOFF
≈ RT CT * ln(Vu/Vl) ±10%.
Note 6: The internal current limiting voltage has a temperature dependence of approximately -2.0mV/°C, or -2800ppm/°C. The inter-
nal 2.4
sense resistor has a temperature dependance of approximately +1500ppm/°C.
UDG-92041-1
APPLICATION AND OPERATION INFORMATION
NPN Pass (Local 100mA Regulator) (UCx833)
4
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