STW41414/T ST-Ericsson Inc, STW41414/T Datasheet - Page 12
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STW41414/T
Manufacturer Part Number
STW41414/T
Description
IC CONV DC/DC DUAL STDN 16-TFBGA
Manufacturer
ST-Ericsson Inc
Type
Step-Down (Buck)r
Datasheet
1.STW41411.pdf
(31 pages)
Specifications of STW41414/T
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
2
Voltage - Output
1.5V, 1.8V
Current - Output
200mA, 400mA
Frequency - Switching
900kHz
Voltage - Input
2.7 ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-TFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
STw4141
2.5
2.6
Soft start
To avoid spikes on battery during STw4141 start-up sequence, a smooth start-up is
implemented. Reference voltage grows up less than 600 µs until it achieves is final target.
Therefore, STw4141 start up is smooth and secure for the overall mobile phone.
Figure 2
V
Figure 2.
Settling time of V
Figure 3.
OUT2
=1.2V@400mA.
illustrates a smooth start up sequence where V
Smooth start-up sequence
Settling time of V
OUT2
OUT2,
I
OUT1
= 200mA, I
OUT2
IN
= 3.6V, V
= 400mA
Electrical characteristics
OUT1
= 1.8V@ 200mA,
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