s-8333aaca-t8t1g Seiko Instruments Inc., s-8333aaca-t8t1g Datasheet - Page 2

• Manufacturer Part Number: s-8333aaca-t8t1g
• Description: Step-up, For Lcd Bias Supply, 1-channel, Pwm Control Switching Regulator Controller
• Manufacturer: Seiko Instruments Inc.

2
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8333 Series
Block Diagram
C
IN
L
M1
EXT
VIN
VSS
Timer latch
short-circuit
protection circuit
Figure 1 Block Diagram
CSP
UVLO
PWM
comparator
Seiko Instruments Inc.
RDuty
+
−
CC
SD
RZ CZ
Oscillator
Maximum duty
soft-start circuit
Reference voltage
(1.0 V) soft-start
circuit
+
−
Error amplifier
ROSC
FB
CFB
RFB1
RFB2
V
C
OUT
L
Rev.2.3
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