TK65218 데이터 시트보기 (PDF) - Toko America Inc
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TK65218 Datasheet PDF : 20 Pages
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TK652xx
ADVANCED INFORMATION
TK65221 ELECTRICAL CHARACTERISTICS
Over operating temperature range and supply voltage range, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
I
B(Q)
No Load Battery Current (Note 3)
VIN = 1.3 V, IOUT = 0 mA,
TA = 25 ° C
I(VIN)
Quiescent Current into VIN Pin
VIN = 1.3 V, IOUT = 0 to 4 mA,
TA = 25 ° C
I(VOUT)
Quiescent Current into VOUT Pin VIN = 1.3 V, IOUT = 0 mA
∆fOSC /∆T Temperature Stability of Oscillator VIN = 1.3 V, No Pulse Skipping
VOUT(REG) Regulation Threshold of VOUT
TA = 25 ° C
∆VOUT /∆T Temperature Stability of VOUT(REG) VIN = 1.3 V, IOUT = 1 mA
VOUT(LOI) VOUT During LOI Transition
VIN = 1.3 V, TA = 25 ° C
∆VOUT(LOI) VOUT(LOI) Threshold Hysteresis
TA = 25 ° C
R
SW(ON)
On-resistance of SW Pin
V =V
, T = 25 ° C
OUT
OUT(REG) A
EFF
Converter Efficiency (Notes 2,3)
VIN = 1.3 V, IOUT = 6 mA,
L = 100 µH, D73 Coil
VULV
Undervoltage Lockout Voltage
TA = 25 ° C, (Note 4)
V = 0.9 V, T = 25 ° C,
IN
A
L = 95 µH, 3DF Coil
VIN = 1.1 V, TA = 25 ° C,
L = 95 µH, 3DFCoil
IOUT(MAX)
Maximum IOUT for Converter
(Notes 1,3)
VIN = 1.3 V, TA = 25 ° C,
L = 95 µH, 3DFCoil
V = 0.9 V, T = 25 ° C,
IN
A
L = 39 µH, D73 Coil
VIN = 1.1 V, TA = 25 ° C,
L = 39 µH, D73 Coil
MIN
2.038
1.83
4
5
6
TYP
45
12.5
14.5
0.1
2.100
100
1.89
38
1.0
78
0.48
6.0
11.0
13.0
15.0
24.0
MAX UNITS
65
µA
20
µA
23
µA
%/° C
2.163
V
ppm/° C
1.95
V
mV
ohm
%
0.79
V
mA
mA
mA
mA
mA
BENCH TEST CIRCUIT
Inductor L: Toko A682AE-014 or equivalent
Diode D: LL103A or equivalent
Capacitors CN:CO:CB: Panasonic TE series,
ECS-TOJY106R
I(VIN)
RN
VIN
300 kΩ
LOI
Note 1: Maximum load current depends on
inductor value and input voltages.
Note 2: Output ripple depends on filter
capacitor values, ESRs and the
1K
LBI
CN
10 µF
IND
GND 300 kΩ
VOUT
inductor value.
Note 3: When using specified Toko inductor
and Schottky diode with VF = 0.45 V
@ 100 mA.
IB
I(VOUT)
IOUT Note 4: Regulation not guaranteed.
VIN
L = 95 µH
CB
10 µF
CS
D
220 pF RS
CO
10 µF
VOUT
1K
Page 6
January 1999 TOKO, Inc.
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