MAX5094CAUA+ Maxim Integrated Products, MAX5094CAUA+ Datasheet - Page 2

• Manufacturer Part Number: MAX5094CAUA+
• Description: IC CNTRLR PWM CURRENT MD 8-UMAX
• Manufacturer: Maxim Integrated Products

Specifications of MAX5094CAUA+

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 97%
• Voltage - Supply: 8 V ~ 25 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: Yes
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Frequency-max: 1MHz
• Duty Cycle (max): 97.5 %
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 1000 KHz
• Maximum Operating Temperature: + 125 C
• Fall Time: 22 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 15 ns
• Synchronous Pin: No
• Topology: Flyback, Forward, Push-Pull
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
V
V
OUT to GND ...............................................-0.3V to (V
OUT Current............................................................. 1A for 10µs
FB, SYNC, COMP, CS, R
COMP Sink Current (MAX5094)..........................................10mA
High-Performance, Single-Ended, Current-Mode
PWM Controllers
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
unless otherwise noted.) (Note 1)
2
REFERENCE
Output Voltage
Line Regulation
Load Regulation
Total Output Variation
Reference Output-Noise Voltage
Reference Output Short Circuit
OSCILLATOR
Initial Accuracy
Voltage Stability
Temp Stability
R
R
Discharge Current
Frequency Range
ERROR AMPLIFIER (MAX5094)
FB Input Voltage
FB Input Bias Current
Open-Loop Voltage Gain
Unity-Gain Bandwidth
Power-Supply Rejection Ratio
COMP Sink Current
COMP Source Current
COMP Output High Voltage
COMP Output Low Voltage
CURRENT-SENSE AMPLIFIER
Gain (Notes 3, 4)
CC
CC
CC
T
T
/C
/C
_______________________________________________________________________________________
(Low-Impedance Source) to GND ..................-0.3V to +30V
(I
= +15V, R
T
T
CC
Voltage Ramp (
Voltage Ramp Valley
< 30mA).....................................................Self Limiting
PARAMETER
T
= 10k , C
P-P
T
/C
)
T
T
, REF to GND .............-0.3V to +6V
= 3.3nF, REF = open, C
V
RAMP_VALLEY
SYMBOL
I
V
V
SOURCE
V
V
V
PSRR
COMPH
I
COMPL
V
V
I
A
f
f
I
NOISE
B(FB)
V
S_SC
RAMP
A
I
V
GBW
SINK
OSC
REFT
LOAD
DIS
REF
VOL
LINE
FB
CS
T
12V
1mA
1mA
10Hz
V
T
12V
-40°C
V
V
FB shorted to COMP
2V
12V
V
V
V
V
(MAX5094A/MAX5094B)
(MAX5094C/D, MAX5095_)
CC
REF
A
REF
A
RT/CT
RT/CT
FB
FB
FB
FB
= +25°C, I
= +25°C
+ 0.3V)
= 2.7V, V
= 2.3V, V
= 2.3V, R
= 2.7V, R
= 0.1µF, COMP = open, V
V
= 0V
V
V
COMP
V
I
I
= 2V, T
= 2V, -40°C
CC
REF
REF
f
CC
CC
T
A
10kHz, T
25V, I
25V
25V (Note 2)
+85°C
REF
COMP
COMP
20mA
20mA, 12V
COMP
COMP
CONDITIONS
A
4V
= +25°C
Continuous Power Dissipation (T
Operating Temperature Range .........................-40°C to +125°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
= 1mA
REF
A
8-Pin µMAX (derate 4.5mW/°C above +70°C) .............362mW
8-Pin SO (derate 5.9mW/°C above +70°C)...............470.6mW
= 1.1V
= 5V
= 15k to GND
= 15k to REF
= +25°C
T
= 1mA
A
+85°C
V
CC
FB
25V
= 2V, CS = GND, T
4.950
2.465
MIN
2.85
2.85
-0.5
4.9
-30
7.9
7.5
51
20
60
2
5
A
= +70°C)
A
5.000
-0.01
TYP
-100
-1.2
100
= T
0.4
0.2
0.5
1.7
1.1
8.3
8.3
2.5
5.8
0.1
50
54
80
6
1
6
3
3
J
= -40°C to +85°C,
5.050
2.535
MAX
1000
-180
3.26
3.40
-0.1
-1.8
5.1
0.5
8.7
9.0
1.1
25
57
4
UNITS
MHz
kHz
kHz
mV
mV
mA
mA
mA
mA
V/V
V/V
µV
µA
dB
dB
%
%
V
V
V
V
V
V
V