L6730B STMicroelectronics, L6730B Datasheet - Page 46

• Manufacturer Part Number: L6730B
• Description: IC CTRLR ADJ STPDN SYNC 20-TSSOP
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L6730B

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: Adj to 0.6V
• Frequency - Switching: 100kHz ~ 1MHz
• Voltage - Input: 1.8 ~ 14 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
• Output Voltage: 0.6 V
• Input Voltage: 1.8 V to 14 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package: HTSSOP20
• For Use With: 497-5868 - EVAL BOARD 30A 400KHZ L6730497-5501 - EVAL BOARD FOR L6730XX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Efficiency
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Figure 41. Demonstration board efficiency 1 MHz
Figure 42. Efficiency with 2xSTS12NH3LL+2XSTSJ100NH3LL
95.00%
90.00%
85.00%
80.00%
75.00%
70.00%
65.00%
60.00%
0.96
0.95
0.94
0.93
0.92
0.91
0.89
0.88
0.87
0.9
3
1
5
7
3
OUTPUT CURRENT (A)
Doc ID 11938 Rev 3
9
12V-->3.3V
5
Fsw=1MHz
11
13
7
Iout (A)
15
9
17
19
11
V
V
IN = 12V
IN = 5V
V
13
O = 3.3V
L6730 - L6730B
400KHz
700KHz
1MHz
15