OZ960 데이터 시트보기 (PDF) - O2Micro International
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OZ960 Datasheet PDF : 12 Pages
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FUNCTIONAL SPECIFICATIONS
OZ960
Parameter
Reference Voltage
Nominal voltage
Line regulation
Load regulation
High Frequency Oscillator
Initial accuracy
Ramp peak
Ramp valley
Temp. stability
Low Frequency Oscillator
Initial accuracy
Ramp peak
Ramp valley
Low Frequency PWM
Duty Cycle Range
Error Amplifier
Input offset voltage
Input voltage range
Offset current at FB pin
Reference voltage at non-
inverting input pin (internal)
Open loop voltage gain
Unity gain bandwidth
Power supply rejection
Threshold
Over Voltage Protection
Supply
Supply current
Supply current
SST current
CTIMR current
NDR-PDR Output
Output resistance
Output resistance
Symbol
Vref
fosc
VADJ
IOFF
ION
Rp
Rn
Test Conditions
VDDA=5V; Tamb = 25oC
Iload = 0.1mA
VDDA = 4.7V – 5.3V
Iload = 0.025 mA to 0.25 mA
CT = 100pF, RT = 120k(1)
TA = 0 oC to 70oC
ENA = low
ENA = high; VDDA = 5V;
Vdim = 2V; LPWM = 50k(2)
Ca=Cb=Cc=Cd=2nF(3)
HF = 60kHz; LF = 185Hz
Current source
Current sink
Limits
Unit
Min
Typ
Max
2.37
2.5
-
4
-
2
2.63
V
-
mV/V
-
mV/mA
53
57
-
3.0
-
1.0
-
200
60
KHz
-
V
-
V
-
ppm/ oC
See Table 1, page 6
2.85
3.0
3.15
V
0.94
1.0
1.06
V
0
-
100
%
-
7
-
mV
0
-
VDD-1.5V
V
-
-
100
nA
1.19 1.25
1.31
V
-
80
-
1.0
-
60
-
dB
-
MHz
-
dB
1.90
2
2.15
V
-
150
200
µA
-
4.4
5.5
mA
See Table 1, page 6
See Table 1, page 6
-
27
-
Ω
-
14
-
Ω
OZ960-DS-1.6
Page 5
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