S-8337AAAA-P8T1G Datasheet, PDF (34/51 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8337/8338 Series
Rev.4.0_01
 Reference Data
1. Reference data for external parts
Table 8 Properties of External Parts
Element Name Product Name
Manufacture
Characteristics
Inductor
LDR655312T
TDK Corporation
4.7 μH, DCR^*1 = 206 mΩ, IMAX^*2 = 0.9 A,
Height = 1.2 mm
Diode
Output capacitor
Transistor
RB491D
⎯
MCH3406
Rohm Co., Ltd.
⎯
Sanyo Electric Co., Ltd.
VF^*3 = 0.45 V, IF^*4 = 1.0 A
16 V, 10 μF
VDSS^*5 = 20 V, VGSS^*6 = ±10 V, Ciss^*7 = 280 pF,
RDS(ON)^*8 = 82 mΩ max. (VGS^*9 = 2.5 V, ID^*10 = 1 A)
*1. DCR : DC resistance
*2. IMAX : Maximum allowable current
*3. VF : Forward voltage
*4. IF :
Forward current
*5. VDSS : Drain to source voltage (When between gate and source short circuits)
*6. VGSS : Gate to source voltage (When between drain and source short circuits)
*7. Ciss : Input capacitance
*8. RDS(ON) : Drain to source on resistance
*9. VGS : Gate to source voltage
*10. ID : Drain current
Caution The values shown in the characteristics column of Table 8 above are based on the
materials provided by each manufacturer. However, consider the characteristics of the
original materials when using the above products.
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