MAX5051AUI+ Maxim Integrated Products, MAX5051AUI+ Datasheet - Page 19

• 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

Figure 9. Efficiency at Nominal Output Voltage vs. Load
Current 48V Nominal Input Voltage
Figure 11. Turn-On Transient at Full Load (Resistive Load)
95
90
85
80
75
70
65
60
0
R
L
= 0.22Ω
2
______________________________________________________________________________________
4
LOAD CURRENT (A)
6
4ms/div
8
10
Parallelable, Clamped Two-Switch
12
14
V
1V/div
I
5A/div
OUT
OUT
Power-Supply Controller IC
Figure 10. Power Dissipation at Nominal Output Voltage vs.
Load Current for 48V Input Voltage.
Figure 12. Output Voltage Response to Step-Change in Load
Current
8
7
6
5
4
3
2
1
0
0
50% > 75% > 50% OF I
2
4
LOAD CURRENT (A)
6
1ms/div
OUT(MAX)
8
10
, dl/dt = 5A/µs
12
14
V
100mV/div
I
5A/div
OUT
OUT
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