LM3677LE-1.2/NOPB National Semiconductor, LM3677LE-1.2/NOPB Datasheet - Page 12

• Manufacturer Part Number: LM3677LE-1.2/NOPB
• Description: IC CONV DC/DC 600MA 1.2V 6-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Step-Down (Buck)r

Specifications of LM3677LE-1.2/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.2V
• Current - Output: 600mA
• Frequency - Switching: 3MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -30°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 6-LLP
• Power - Output: 855mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM3677LE-1.2

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Mode Change by Load Transients
V
Load Transient Response
Load Transient Response
V
V
OUT
OUT
OUT
= 1.8V (PFM to PWM)
= 1.3V (PWM Mode)
= 2.5V (PWM Mode)
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30008431
12
V
OUT
Mode Change by Load Transients
= 1.3V (Output Current= 300mA)
V
Load Transient Response
V
Start Up into PWM Mode
OUT
OUT
= 1.8V (PWM to PFM)
= 1.8V (PWM Mode)
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30008472
30008491