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TPS63900: tps63900 Current limitation confirm

Part Number: TPS63900

Dear Team 

Good day!

I had check the tps63900 datasheet (Rev.D) and found some contradictory information . please correct me 

In the datasheet , chapter 6.3  ,it shows the output current is 0.4A(Max) , but from the Figure 8-2 to Figure 8-7 , the Typical Output Current Capability versus Input Voltage can reach 1A , it shows many test graph base on the 1A output current .  

1.Does the tps63900 can support 1A (Output current)?

2.if the output current in the test result actually is the peak current value . could you tell me how long could the peak current last.

Best regards

Leon.liu