S-8550 Datasheet, PDF (7/26 Pages) Seiko Instruments Inc – STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECIFICATION, PWM CONTROL SWITCHING REGULATORS

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECTIFICATION, PWM CONTROL SWITCHING REGULATORS
Rev.2.1_01
S-8550/8551 Series
„ Test Circuits
1.
A
VIN
CONT
FB
C_IN
S-855xA
ON/OFF
VSS
↓
Figure 4
2.
L
V_OUT
VIN
CONT ^COUT
C_FB
C_IN
S-855xA
ON/OFF
FB
R_FB1
V ^{↓ IOUT}
VSS
R_FB2
V
Figure 5
Seiko Instruments Inc.
7