S-8337AAAA-P8T1G Datasheet, PDF (9/51 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER
Rev.4.0_01
S-8337/8338 Series
 External Parts When Measuring Electrical Characteristics
Table 6 External Parts
Element Name
Inductor
Diode
Output capacitor
Transistor
Oscillation frequency setting resistor
Maximum duty ratio setting resistor
Short-circuit protection delay time
setting capacitor
Output voltage setting resistor 1
Output voltage setting resistor 2
FB pin capacitor
Phase compensation resistor
Phase compensation capacitor
Symbol
L
SD
CL
M1
ROSC
RDuty
CSP
RFB1
RFB2
CFB
RZ
CZ
Manufacturer
TDK Corporation
Rohm Co., Ltd.
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Sanyo Electric Co., Ltd.
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Part Number
LDR655312T 4.7 μH
RB491D
Ceramic 10 μF
MCH3406
200 kΩ (when fOSC = 700 kHz)
300 kΩ (when MaxDuty = 77%)
0.1 μF (when tPRO = 50 ms)
8.2 kΩ (when VOUT = 9.2 V)
1.0 kΩ (when VOUT = 9.2 V)
180 pF
200 kΩ
0.01 μF
9