Datasheet

MAX5094A/B/C/D/MAX5095A/B/C
High-Performance, Single-Ended, Current-Mode
PWM Controllers
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +15V, R
T
= 10kΩ, C
T
= 3.3nF, REF = open, C
REF
= 0.1µF, COMP = open, V
FB
= 2V, CS = GND, T
A
= T
J
= -40°C to +85°C,
unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS
MIN
TYP
MAX
UNITS
ADV_CLK (MAX5095C 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, REF = open, C
REF
= 0.1µF, COMP = open, V
FB
= 2V, CS = GND, T
A
= T
J
= -40°C to +125°C,
unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS
MIN TYP MAX
UNITS
REFERENCE
Output Voltage V
REF
T
A
= +25°C, I
REF
= 1mA
4.950 5.000 5.050
V
Line Regulation ∆V
LINE
12V ≤ V
CC
≤ 25V, I
REF
= 1mA 0.4 4 mV
Load Regulation ∆V
LOAD
1mA ≤ I
REF
≤ 20mA 6 25 mV
Total Output Variation V
REFT
1mA ≤ I
REF
≤ 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
REF
= 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
V
RT/CT
= 2V, T
A
= +25°C 7.9 8.3 8.7
Discharge Current I
DIS
V
RT/CT
= 2V, -40°C ≤ T
A
≤ +125°C 7.5 8.3 9.0
mA
Frequency Range f
OSC
20
1000
kHz
ERROR AMPLIFIER (MAX5094)
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
=15kΩ to GND 5 5.8 V
COMP Output Low Voltage V
COMPL
V
FB
= 2.7V, R
COMP
= 15kΩ to REF 0.1 1.1 V