TK65020 データシートの表示（PDF） - Toko America Inc
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TK65020 Datasheet PDF : 14 Pages
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TK65020
ADVANCED INFORMATION
ABSOLUTE MAXIMUM RATINGS
All Pins Except SW and GND .................................... 6 V
SW Pin ....................................................................... 9 V
Power Dissipation (Note 1) ................................. 400 mA
Storage Temperature Range ................... -55 to +150 °C
Operating Temperature Range ...................-20 to +80 °C
Junction Temperature ........................................... 150 °C
TK65020 ELECTRICAL CHARACTERISTICS
Over operating temperature range and supply voltage range, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
VIN
Supply Voltage
IB(Q)
I(VIN)
No Load Battery Current (Note 3)
Quiescent Current into VIN Pin
VIN = 1.3 V, IOUT = 0 mA,
T = 25 ° C
A
VIN = 1.3 V, IOUT = 0 mA,
TA = 25 ° C
I(VOUT)
Quiescent Current into VOUT Pin VIN = 1.3 V, IOUT = 0 mA
fOSC
Internal Oscillator Frequency
VIN = 1.3 V, IOUT = 0 mA
∆fOSC /∆T Temperature Stability of Oscillator VIN = 1.3 V, No Pulse Skipping
DOSC
On-time Duty Ratio of Oscillator TA = 25 ° C
VOUT(REG) Regulation Threshold of VOUT
TA = 25 ° C
∆VOUT /∆T
Temperature Stability of V
OUT(REG)
V = 1.3 V, I = 0 mA
IN
OUT
∆VOUT(LOAD) Load Regulation of VOUT(REG)
VIN = 1.3 V, IOUT = 0 to 4 mA
∆VOUT(LINE) Line Regulation of VOUT(REG)
∆VIN = 0.25 V
RSW(ON)
On-resistance of SW Pin
TA ≥ 2.4
EFF
Converter Efficiency (Notes 3,4)
VIN = 1.3 V, IOUT = 6 mA,
L = 95 µH, 3DF Coil
VULV
Undervoltage Lockout Voltage
IOUT(MAX)
Maximum IOUT for Converter
(Notes 2,4)
TA = 25 ° C, (Note 5)
VIN = 1.1 V, TA = 25 ° C,
L = 95 µH, 3DF Coil
VIN = 1.3 V, TA = 25 ° C,
L = 95 µH, 3DFCoil
V = 1.1 V, T = 25 ° C,
IN
A
L = 39 µH, D73 Coil
VIN = 1.3 V, TA = 25 ° C,
L = 39 µH, D73 Coil
MIN
0.90
70
45
2.38
-20
5
9
TYP
41
11
12
83
0.1
50
2.50
100
0
1.0
76
0.45
8.0
15.0
19.8
38.0
MAX
1.60
UNITS
V
62
µA
20
µA
20
µA
102 kHz
%/° C
55
%
2.58
V
mV
50
mV
30
mV
V
%
0.79
V
mA
mA
mA
mA
Note 1: Derate at 0.8 mW/oC for operation above TA = 25 oC ambient temperature, when heat conducting copper foil path is maximized on the printed
circuit board. When this is not possible, a derating factor of 1.6 mW/ °C must be used.
Page 2
January 1999 TOKO, Inc.
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