S-8365AAABA-M5T1Y2 Datasheet, PDF (27/63 Pages) Seiko Instruments Inc – PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.2.1_01
S-8365/8366 Series
2. Power supply for LCD
Following shows a circuit example and its characteristics for driving an LCD panel (with 9 V and 15 V outputs).
L
SD
V_OUT
C_IN C_DD
VDD
M1
EXT
ON/OFF S-8365/8366
Series
VSS
FB
CSP
CSP
R_FB1
R_FB2
C_FB
C_OUT
Figure 23 Circuit Example (Power Supply for LCD)
Condition
1
2
3
4
Table 17 External Part Examples (Power Supply for LCD) (1 / 2)
Output
Voltage
IC Product
Name
L Product Name
M1 Product
Name
SD Product
Name
9V
S-8365AABBA
NR6028T2R2M
Si2312BDS RB050LA-30
9V
S-8366AABBA
NR6028T2R2M
Si2312BDS RB050LA-30
15 V
S-8365AABBA
NR6028T2R2M
Si2312BDS RB050LA-30
15 V
S-8366AABBA
NR6028T2R2M
Si2312BDS RB050LA-30
Condition
1
2
3
4
Table 17 External Part Examples (Power Supply for LCD) (2 / 2)
CIN Product Name
COUT Product Name
RFB1
RFB2
CFB
LMK212BJ106KG-T EMK316BJ106KF-T × 2 280 kΩ 20 kΩ 22 pF
LMK212BJ106KG-T EMK316BJ106KF-T × 1 280 kΩ 20 kΩ 27 pF
LMK212BJ106KG-T TMK325B7106MN-T × 2 360 kΩ 15 kΩ 27 pF
LMK212BJ106KG-T TMK325B7106MN-T × 1 360 kΩ 15 kΩ 33 pF
CDD
0.1 μF
0.1 μF
0.1 μF
0.1 μF
Caution The above connection will not guarantee successful operation. Perform thorough evaluation
using an actual application to set the constant.
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