S-8365 Datasheet, PDF (13/63 Pages) Seiko Instruments Inc – STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.1.1_00
S-8365/8366 Series
„ Test Circuits
1.
A
VDD
C_IN
ON/OFF
A
S-8365/8366
Series
EXT
FB
CSP
VSS
A
V
↓
CSP
Figure 8
2.
L
SD
V_OUT
VDD
C_IN
A
ON/OFF
EXT
S-8365/8366
Series
FB
VSS
CSP
CSP
Figure 9
M1
R_FB1
R_FB2
C_FB
C_OUT
V↓
I_OUT
3.
L
SD
V_OUT
VDD
C_IN
A
ON/OFF
S-8365/8366
Series
C_b
EXT
R_b
FB
Q1
R_FB1
C_FB
C_OUT
V↓
I_OUT
VSS
R_FB2
Figure 10
Seiko Instruments Inc.
13