MAX5071AAUA+T Maxim Integrated Products, MAX5071AAUA+T Datasheet - Page 7

• Manufacturer Part Number: MAX5071AAUA+T
• Description: IC CNTRLR PWM CRNT MD 8-UMAX
• Manufacturer: Maxim Integrated Products

Specifications of MAX5071AAUA+T

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 97.5%
• Voltage - Supply: 10.8 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: 2000 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: Yes
• Topology: Flyback, Forward, Push-Pull
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
High-Performance, Single-Ended, Current-Mode
CC
550
540
530
520
510
500
490
480
470
460
450
5.5
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
= 15V, T
-40
-40
R
C
-25
-25
T
T
OSCILLATOR FREQUENCY (f
= 3.01kΩ
= 1nF
REFERENCE VOLTAGE (VREF)
-10 5 20 35 50
-10 5 20 35 50
A
= +25°C, unless otherwise noted.)
vs. TEMPERATURE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
_______________________________________________________________________________________
100
90
80
70
60
50
40
30
20
10
I
REF
I
0
REF
65 80
65 80
MAXIMUM DUTY CYCLE vs. FREQUENCY
0
= 20mA
= 1mA
95
95
OSC
400
OSCILLATOR FREQUENCY (kHz)
C
110
110
MAX5070A/MAX5071A
)
T
= 1nF
125
125
800
C
T
= 560pF
5.25
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
4.75
8.60
8.55
8.50
8.45
8.40
8.35
8.30
8.25
8.20
8.15
8.10
8.05
8.00
1200
Typical Operating Characteristics (continued)
OSCILLATOR R
-40
0
V
-25
RT/CT
C
1600
C
vs. REFERENCE LOAD CURRENT
T
T
REFERENCE VOLTAGE (VREF)
= 220pF
= 100pF
-10 5 20 35 50
= 2V
vs. TEMPERATURE
2000
15
TEMPERATURE (°C)
T
/C
I
REF
T
DISCHARGE CURRENT
(mA)
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
30
65 80
-40
CURRENT-SENSE (CS) TRIP THRESHOLD
-25
95
-10 5 20 35 50
45
110
125
vs. TEMPERATURE
TEMPERATURE (°C)
PWM Controllers
5.010
5.005
5.000
4.995
4.990
100
90
80
70
60
50
40
30
20
10
65 80
0
-40
10
R
C
-25
T
T
= 3.01kΩ
95
= 1nF
12
MAX5070B/MAX5071B/MAX5071C
REFERENCE VOLTAGE (VREF)
-10 5 20 35 50
110
MAXIMUM DUTY CYCLE
14
vs. TEMPERATURE
125
vs. V
TEMPERATURE (°C)
16
CC
V
CC
18
VOLTAGE
MAX5070A/MAX5071A
(V)
20
65 80
22
I
REF
95
24
= 1mA
110
125
26
7