S-8363B-I6T1U2 Datasheet, PDF (25/50 Pages) Seiko Instruments Inc – PWM/PFM SWITCHABLE SWITCHING REGULATOR

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM/PFM SWITCHABLE SWITCHING REGULATOR
Rev.2.0_01
S-8363 Series
4. Super-small power supply
Following shows a circuit example which gives top priority to reduce the implementation area by using the small
external parts and its characteristics.
L
SD
VOUT
VDD
VOUT CONT
CFB
RFB1
CIN
ON/OFF S-8363
Series
FB
COUT2
RFB2
VSS
COUT1
Figure 20 Circuit Example (For super-small power supply)
Condition
1
2
3
4
5
6
Output
Voltage
1.8 V
3.3 V
1.8 V
3.3 V
1.8 V
3.3 V
Table 14 External Parts Examples (For super-small power supply)
IC Product
Name
L Product
Name
SD Product
Name
COUT1
COUT2
S-8363B MLP2012S
RB161SS-20 C1608X5R0J106M C1608X5R0J106M
S-8363B MLP2012S
RB161SS-20 LMK212BJ106KD 0.1 μF
S-8363B VLS201610E RB161SS-20 C1608X5R0J106M C1608X5R0J106M
S-8363B VLS201610E RB161SS-20 LMK212BJ106KD 0.1 μF
S-8363B BRL2518T2R2M RB161SS-20 C1608X5R0J106M C1608X5R0J106M
S-8363B BRL2518T2R2M RB161SS-20 LMK212BJ106KD 0.1 μF
RFB1
30 kΩ
68 kΩ
30 kΩ
68 kΩ
30 kΩ
68 kΩ
RFB2
15 kΩ
15 kΩ
15 kΩ
15 kΩ
15 kΩ
15 kΩ
CFB
82 pF
47 pF
82 pF
47 pF
82 pF
47 pF
Caution
The above connection will not guarantee successful operation. Perform thorough evaluation using an
actual application to set the constant.
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