Electrical characteristics (continued), Electrical characteristics – Rainbow Electronics MAX5071 User Manual
Page 4
MAX5070/MAX5071
High-Performance, Single-Ended, Current-Mode
PWM Controllers
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +15V, R
T
= 10kΩ, C
T
= 3.3nF, V
VREF
= OPEN, C
VREF
= 0.1µF, COMP = OPEN, V
FB
= 2V, CS = GND,
T
A
= -40°C to +85°C
,
unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ADV_CLK (MAX5071C only)
ADV_CLK High Voltage
V
ADV_CLKH
I
ADV_CLK
= 10mA source
2.4
3
V
ADV_CLK Low Voltage
V
ADV_CLKL
I
ADV_CLK
= 10mA sink
0.4
V
ADV_CLK Output Pulse Width
t
PULSE
85
ns
ADV_CLK Rising Edge to OUT
Rising Edge
t
ADV_CLK
110
ns
ADV_CLK Source and Sink
Current
I
ADV_CLK
10
mA
ELECTRICAL CHARACTERISTICS
(V
CC
= +15V, R
T
= 10kΩ, C
T
= 3.3nF, V
VREF
= OPEN, C
VREF
= 0.1µF, COMP = OPEN, V
FB
= 2V, CS = GND,
T
A
= -40°C to +125°C
,
unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
REFERENCE
Output Voltage
V
VREF
T
A
= +25°C, I
VREF
= 1mA
4.950
5.000
5.050
V
Line Regulation
∆
V
LINE
12V < V
CC
< 25V, I
VREF
= 1mA
0.4
4
mV
Load Regulation
∆
V
LOAD
1mA < I
VREF
< 20mA
6
25
mV
Total Output Variation
V
REFT
1mA < I
VREF
< 20mA, 12V < V
CC
< 25V
4.9
5.1
V
Reference Output Noise Voltage
V
NOISE
10Hz < f < 10kHz, T
A
= +25°C
50
µV
Reference Output Short Circuit
I
S_SC
V
VREF
= 0V
-30
-100
-180
mA
OSCILLATOR
Initial Accuracy
T
A
= +25°C
51
54
57
kHz
Voltage Stability
12V < V
CC
< 25V
0.2
0.5
%
Temp Stability
-40
°
C < T
A
< +125°C
1
%
R
T
/C
T
Voltage Ramp (
P-P
)
V
RAMP
1.7
V
R
T
/C
T
Voltage Ramp Valley
V
RAMP_VALLEY
1.1
V
Discharge Current
I
DIS
V
RT/CT
= 2V, T
A
= +25°C
7.9
8.3
8.7
mA
Frequency Range
f
OSC
20
1000
kHz
ERROR AMPLIFIER (MAX5070A/MAX5070B)
FB Input Voltage
V
FB
FB shorted to COMP
2.465
2.5
2.535
V
FB Input Bias Current
I
B(FB)
-0.01
-0.1
µA
Open-Loop Voltage Gain
A
VOL
2V
≤
V
COMP
≤
4V
100
dB
Unity-Gain Bandwidth
f
GBW
1
MHz
Power-Supply Rejection Ratio
PSRR
12V
≤
V
CC
≤
25V (Note 2)
60
80
dB
COMP Sink Current
I
SINK
V
FB
= 2.7V, V
COMP
= 1.1V
2
6
mA
COMP Source Current
I
SOURCE
V
FB
= 2.3V, V
COMP
= 5V
-0.5
-1.2
-1.8
mA
COMP Output High Voltage
V
COMPH
V
FB
= 2.3V, R
COMP
=15k
Ω
to GND
5
5.8
V
COMP Output Low Voltage
V
COMPL
V
FB
= 2.7V, R
COMP
= 15k
Ω
to VREF
0.1
1.1
V