STW41414 ST-Ericsson Inc, STW41414 Datasheet - Page 18

• Manufacturer Part Number: STW41414
• Description: IC CONV DC/DC DUAL STDN 16-TFBGA
• Manufacturer: ST-Ericsson Inc
• Type: Step-Down (Buck)r

Specifications of STW41414

• 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: -

STw4141
2.13
Figure 11. Output voltages versus output currents in PWM and PFM
1.830
1.820
1.810
1.800
1.790
1.780
1.770
1.830
1.820
1.810
1.800
1.790
1.780
1.770
1
1
Output voltages versus output currents in PWM and PFM
V
V
IN
IN
= 3.6V
= 3.6V
V
V
OUT1
OUT1
VS I
VS I
10
OUT1
OUT1
I
I
OUT1
OUT1
@ I
@ I
10
(mA)
(mA)
OUT1
OUT2
100
- PWM mode
- PFM mode
I
I
I
I
I
I
OUT2
OUT2
OUT2
OUT2
OUT2
OUT2
= 0 mA
= 200 mA
= 400 mA
= 0 mA
= 20 mA
= 40 mA
1000
100
1.230
1.220
1.210
1.200
1.190
1.180
1.170
1.230
1.220
1.210
1.200
1.190
1.180
1.170
1
1
V
V
IN
IN
V
= 3.6V
= 3.6V
OUT2
V
OUT2
VS I
VS I
10
OUT2
OUT2
Electrical characteristics
I
I
OUT2
OUT2
@ I
@ I
10
(mA)
(mA)
OUT1
OUT1
- PWM mode
100
- PFM mode
I
I
I
OUT1
OUT1
OUT1
I
I
I
OUT1
OUT1
OUT1
= 0 mA
= 100 mA
= 200 mA
= 0 mA
= 10 mA
= 20 mA
1000
100
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