MIC3832 查看數據表（PDF） - Micrel
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MIC3832 Datasheet PDF : 10 Pages
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MIC3832/3833
Absolute Maximum Ratings (Note 1)
Supply Voltage, VDD (continuous) ................................. 22V
Source/Sink Load Current (peak) .................................... 1A
Maximum Supply (Zener) Current .............................. 50mA
Junction Temperature ............................................... 150°C
Lead Temperature, Soldering ....................... 260°C for 10s
θJAPlastic DIP ....................................................... 130°C/W
Micrel
Operating Ratings
Storage Temperature Range ................... –65°C to +150°C
Operating Temperature Range .................. –40°C to +85°C
Reference Load Current ............................................. 25mA
Supply Voltage (VDD): MIC3832 ....................... 16V to 21V
Supply Voltage (VDD): MIC3833 ...................... 7.6V to 21V
Oscillator Frequency Range ..................... 10kHz to 500kHz
Oscillator Timing Resistor ............................. 3kΩ to 100kΩ
Oscillator Timing Capacitor .............................. 1nF to 10nF
Electrical Characteristics (Notes 2, 3)
TA = –40°C to +85°C, VDD = 15V, f = 52kHz unless otherwise specified.
Parameter
Conditions
Reference Section
Output Voltage
Input Regulation
Output Regulation
Temperature Stability
Io = 1mA, TA = 25°C
VCC = 12V to 20V
IO = 1mA to 20mA
Total Output Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit Current
Oscillator Section
f = 10Hz to 10kHz, TA = 25°C
TA = 125°C, 1000hrs.
VREF = 0
Frequency
Voltage Stability
Amplitude (Ct)
Discharge Current
Synchronization
TA = 25°C, RT = 16kΩ, CT = 2.2nF
VCC = 12V to 20V
TA = 25°C
ac coupled
Error Amplifier Section
Input Offset Voltage
Input Bias Current
Input Offset Current
Open Loop Gain
1V < VO < 4V
CMRR
1.5V < VCM < 4.5V
PSRR
12V < VDD < 20V
Output Sink Current
VEA OUT = 1V
Output Source Current
VEA OUT = 4V
Output High Voltage
IEA OUT = –0.5mA
Output Low Voltage
IEA OUT = 1mA
Soft Start/Max Duty Cycle Section
Bias Current
Discharge Current
Duty Cycle Clamp Accuracy
Min Typical Max Units
4.90 5.0 5.10
V
5
20
mV
6
25
mV
–0.2
mV/°C
50
mV
50
µV
4
5.0
mV
25
60
160 mA
47
52
57 kHz
0.5
%
1.7
VP-P
1
2.3
5
mA
1.5
V
–15
±2
15
mV
0.6
3.0
µA
0.1
1.0
µA
60
82
dB
75
95
dB
85
120
dB
1.0
2.5
mA
–0.5 –1.3
mA
4.0
4.9
5.0
V
0.6
1.0
V
–0.05
µA
1
3
mA
40
50
60
%
April 1998
4-137
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