TK65218 Просмотр технического описания (PDF) - Toko America Inc
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TK65218 Datasheet PDF : 20 Pages
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TK652xx
ADVANCED INFORMATION
TK65224 ELECTRICAL CHARACTERISTICS
Over operating temperature range and supply voltage range, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP
IB(Q)
No Load Battery Current (Note 3)
V = 1.3 V, I = 0 mA,
IN
OUT
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
RSW(ON)
On-resistance of SW Pin
VOUT = V , OUT(REG) TA = 25 ° C
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)
VIN = 0.9 V, TA = 25 ° C,
L = 95 µH, 3DF Coil
V = 1.1 V, T = 25 ° C,
IN
A
L = 95 µH, 3DFCoil
IOUT(MAX)
Maximum IOUT for Converter
(Notes 1,3)
VIN = 1.3 V, TA = 25 ° C,
L = 95 µH, 3DFCoil
VIN = 0.9 V, TA = 25 ° C,
L = 39 µH, D73 Coil
VIN = 1.1 V, TA = 25 ° C,
L = 39 µH, D73 Coil
2.328
2.07
3.75
4.5
5.5
65
20
22
0.1
2.400
100
2.16
50
1.0
80
0.49
5.0
9.0
12.0
13.0
21.0
MAX UNITS
85
µA
35
µA
40
µA
%/° C
2.472
V
ppm/° C
2.25
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.
Note 4: Regulation not guaranteed.
IB
I(VOUT)
IOUT
VIN
L = 95 µH
CB
10 µF
CS
D
220 pF RS
CO
10 µF
VOUT
1K
Page 8
January 1999 TOKO, Inc.
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