TK65020 데이터 시트보기 (PDF) - Toko America Inc
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TK65020 Datasheet PDF : 14 Pages
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ADVANCED INFORMATION
TK65020
Inductor L: Toko A682AE-014 or equivalent
Diode D: LL103A or equivalent
Capacitors CN:CO:CB: Panasonic TE series,
ECS-TOJY106R
RN
BENCH TEST CIRCUIT
I(VIN) VIN
NC
1K
CN
10 µF
GND
IND
GND
VOUT
Note 2: Maximum load current depends on
inductor value and input voltages.
Note 3: Output ripple depends on filter
capacitor values, ESRs and the
inductor value.
Note 4: When using specified Toko inductor
and Schottky diode with VF = 0.45 V
@ 100 mA.
Note 5: Regulation not guaranteed
IB
VIN
L = 95 µH
CB
10 µF
CS
D
220 pF RS
I(VOUT)
CO
10 µF
IOUT
VOUT
1K
The Bench Test Circuit is used most of the time to measure the typical (typ.) values in the Electrical Characteristics
section, and make the Typical Performance graphs.
Note: In measuring the oscillator frequency and the Max IOUT on the bench, the converter was loaded until “no pulse
skipping” mode was achieved.
FINAL TEST CIRCUIT
VIN
NC
CN
10 µF
GND
SW
IB
VIN
L = 95 µF
Inductor L: Toko A682AE-014 or equivalent
Diode D: LL101
Capacitors CN:CU:CD: Panasonic TE series,
ECS-TOJY106R
CS
220 pF
D
RS
1K
GND
VOUT
ROF
+ 15
CU
10 µF
+ CD
10 µF
IOUT
VOUT
Above is the Final Test Circuit through which each of the production parts must pass. In this test circuit, the part is tested
against the specification limits in the data sheet (the min. and max. values in the Electrical Characteristics) at room
temperature, and is rejected if the tested values are outside the minimum (min.) and maximum (max.) values.
January 1999 TOKO, Inc.
Page 3
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