MAX5070BAUA 查看數據表（PDF） - Maxim Integrated
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MAX5070BAUA Datasheet PDF : 22 Pages
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High-Performance, Single-Ended, Current-Mode
PWM Controllers
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +15V, RT = 10kΩ, CT = 3.3nF, VVREF = OPEN, CVREF = 0.1µF, COMP = OPEN, VFB = 2V, CS = GND, TA = -40°C to +85°C,
unless otherwise noted.) (Note 1)
PARAMETER
ADV_CLK (MAX5071C only)
ADV_CLK High Voltage
ADV_CLK Low Voltage
ADV_CLK Output Pulse Width
ADV_CLK Rising Edge to OUT
Rising Edge
SYMBOL
CONDITIONS
VADV_CLKH
VADV_CLKL
tPULSE
IADV_CLK = 10mA source
IADV_CLK = 10mA sink
tADV_CLK
MIN TYP MAX UNITS
2.4
3
V
0.4
V
85
ns
110
ns
ADV_CLK Source and Sink
Current
IADV_CLK
10
mA
ELECTRICAL CHARACTERISTICS
(VCC = +15V, RT = 10kΩ, CT = 3.3nF, VVREF = OPEN, CVREF = 0.1µF, COMP = OPEN, VFB = 2V, CS = GND, TA = -40°C to +125°C,
unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
REFERENCE
Output Voltage
Line Regulation
VVREF
∆VLINE
TA = +25°C, IVREF = 1mA
12V < VCC < 25V, IVREF = 1mA
Load Regulation
Total Output Variation
∆VLOAD
VREFT
1mA < IVREF < 20mA
1mA < IVREF < 20mA, 12V < VCC < 25V
Reference Output Noise Voltage
VNOISE 10Hz < f < 10kHz, TA = +25°C
Reference Output Short Circuit
IS_SC
VVREF = 0V
OSCILLATOR
Initial Accuracy
TA = +25°C
Voltage Stability
Temp Stability
RT/CT Voltage Ramp (P-P)
VRAMP
12V < VCC < 25V
-40°C < TA < +125°C
RT/CT Voltage Ramp Valley
VRAMP_VALLEY
Discharge Current
IDIS
VRT/CT = 2V, TA = +25°C
Frequency Range
fOSC
ERROR AMPLIFIER (MAX5070A/MAX5070B)
FB Input Voltage
FB Input Bias Current
Open-Loop Voltage Gain
VFB
IB(FB)
AVOL
FB shorted to COMP
2V ≤ VCOMP ≤ 4V
Unity-Gain Bandwidth
fGBW
Power-Supply Rejection Ratio
COMP Sink Current
COMP Source Current
PSRR
ISINK
ISOURCE
12V ≤ VCC ≤ 25V (Note 2)
VFB = 2.7V, VCOMP = 1.1V
VFB = 2.3V, VCOMP = 5V
COMP Output High Voltage
COMP Output Low Voltage
VCOMPH
VCOMPL
VFB = 2.3V, RCOMP =15kΩ to GND
VFB = 2.7V, RCOMP = 15kΩ to VREF
MIN TYP MAX UNITS
4.950 5.000 5.050
V
0.4
4
mV
6
25
mV
4.9
5.1
V
50
µV
-30
-100 -180
mA
51
54
57
kHz
0.2
0.5
%
1
%
1.7
V
1.1
V
7.9
8.3
8.7
mA
20
1000 kHz
2.465
60
2
-0.5
5
2.5
-0.01
100
1
80
6
-1.2
5.8
0.1
2.535
-0.1
-1.8
1.1
V
µA
dB
MHz
dB
mA
mA
V
V
4 _______________________________________________________________________________________
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