s-8551 Seiko Instruments Inc., s-8551 Datasheet - Page 7

• Manufacturer Part Number: s-8551
• Description: Step-down, Built-in Fet, Synchronous Rectification, Pwm Control Switching Regulators
• Manufacturer: Seiko Instruments Inc.

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECTIFICATION, PWM CONTROL SWITCHING REGULATORS
Rev.2.1
Test Circuits
1.
2.
_01
A
C
C
IN
IN
ON/OFF
ON/OFF
VIN
VIN
Seiko Instruments Inc.
S-855xA
S-855xA
VSS
VSS
Figure 4
Figure 5
CONT
CONT
FB
FB
C
OUT
V
L
R
R
FB1
FB2
C
↓
FB
V
V
OUT
↓
I
OUT
S-8550/8551 Series
7