S-8550AA-M5T1X Datasheet, PDF (7/31 Pages) Seiko Instruments Inc – RECTIFICATION, PWM CONTROL SWITCHING REGULATORS

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECTIFICATION, PWM CONTROL SWITCHING REGULATORS
Rev.5.0_01
S-8550 Series
 Test Circuits
1.
2.
A
VIN
CONT
C_IN
S-8550 Series ^FB
ON/OFF
VSS PVSS^*1
↓
*1. PVSS pin is unavailable for the S-8550 Series with SOT-23-5.
Figure 6
L
V_OUT
VIN
CONT
C_OUT
C_FB
C_IN
S-8550 Series
ON/OFF
FB
R_FB1
V
↓ ^IOUT
VSS PVSS^*1
VR^FB2
*1. PVSS pin is unavailable for the S-8550 Series with SOT-23-5.
Figure 7
7