MAX5051AUI+ Maxim Integrated Products, MAX5051AUI+ Datasheet - Page 6

• Manufacturer Part Number: MAX5051AUI+
• Description: IC PWR SPLY CNTRLR 28-TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5051AUI+

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Duty Cycle: 48%
• Voltage - Supply: 11 V ~ 76 V
• Buck: No
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Frequency-max: 500kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Parallelable, Clamped Two-Switch
Power-Supply Controller IC
(V
4.7µF, T
6
AVIN
8.90
8.88
8.86
8.84
8.82
8.80
8.78
8.76
8.74
8.72
8.70
300
290
280
270
260
250
240
230
220
210
200
600
500
400
300
200
100
_______________________________________________________________________________________
0
-50
-50
10
= V
A
V
V
UVLO
UVLO
= +25°C, unless otherwise noted.)
PVIN
-25
-25
20
vs. AVIN SUPPLY VOLTAGE
= 0V
= 0V
AVIN STANDBY CURRENT
PVIN STANDBY CURRENT
REG9 OUTPUT VOLTAGE
AVIN SUPPLY VOLTAGE (V)
= 12V, V
vs. TEMPERATURE
vs. TEMPERATURE
30
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
40
25
25
UVLO
50
50
50
= V
60
75
75
STT
100
100
70
= 3V, V
125
125
80
CON
23.6
23.5
23.4
23.3
23.2
23.1
23.0
280
270
260
250
240
230
220
210
200
190
180
9.0
8.9
8.8
8.7
8.6
8.5
8.4
8.3
8.2
8.1
8.0
= 3V, R
-50
-50
0
STT = FLOATING
V
UVLO
20
-25
-25
RCOSC
vs. REG9 OUTPUT CURRENT
= 0V
AVIN STANDBY CURRENT
PVIN STARTUP VOLTAGE
REG9 OUTPUT VOLTAGE
REG9 OUTPUT CURRENT (mA)
40
vs. TEMPERATURE
vs. TEMPERATURE
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
60
= 24kΩ, C
25
25
80
Typical Operating Characteristics
50
50
100
CSS
75
75
120
100
100
= 10nF, C
140
125
125
160
RCOSC
8.805
8.802
8.799
8.796
8.793
8.970
600
500
400
300
200
100
6.0
5.6
5.2
4.8
4.4
4.0
0
10
10
0
= 100pF, C
V
UVLO
10
20
20
vs. REG5 OUTPUT CURRENT
= 0V
PVIN STANDBY CURRENT
REG5 OUTPUT VOLTAGE
REG9 OUTPUT VOLTAGE
20
REG5 OUTPUT CURRENT (mA)
vs. SUPPLY VOLTAGE
PVIN SUPPLY VOLTAGE (V)
30
vs. PVIN VOLTAGE
30
30
PVIN VOLTAGE (V)
REG9
40
40
40
= 4.7µF, C
50
50
50
60
60
60
70
70
70
REG5
80
80
90
80
=