ST1S14 STMicroelectronics, ST1S14 Datasheet - Page 10

• Manufacturer Part Number: ST1S14
• Description: Up to 3 A step down switching regulator
• Manufacturer: STMicroelectronics

Functional description
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Figure 5.
During normal operation a new soft start cycle takes place in case of:
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●
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Figure 6.
VREF_OUT
HICCUP mode current protection
thermal shutdown event
UVLO event
the device is driven in INH mode
SHORT
VFB
soft start phases
Soft-start block diagram
PHASE 1
64clks
Ctrl
VREF
Doc ID 17977 Rev 1
S1
S2
2816 clks
PHASE 2
300mV
VFB
VREF_OUT
VFB
Vsense
400mV
EA
Vsaw
SHORT
Vsense
Iclamp
PHASE 3
Logic
ST1S14