TK652XX データシートの表示（PDF） - Toko America Inc
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TK652XX Datasheet PDF : 20 Pages
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TK652xx
ADVANCED INFORMATION
ABSOLUTE MAXIMUM RATINGS
All Pins Except SW and GND .................................... 6 V
SW Pin ....................................................................... 9 V
Power Dissipation (Note 1) ................................ 400 mW
Storage Temperature Range ................... -55 to +150 °C
Operating Temperature Range ...................-20 to +80 °C
Junction Temperature ........................................... 150 °C
TK652xx ELECTRICAL CHARACTERISTICS
Over operating temperature range and supply voltage range, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
VIN
Supply Voltage
0.90
1.60
V
fOSC
Internal Oscillator Frequency
TA = 25 ° C
72
83
96
kHz
VOUT(REG)
Regulation Threshold of VOUT
TA = 25 ° C
-3%
VOUT
+3%
V
∆VOUT(LOAD) Load Regulation of VOUT(REG)
VIN = 1.3 V, IOUT = 0 to 4 mA
0
50
mV
∆VOUT(LINE) Line Regulation of VOUT(REG)
∆VIN = 0.70 V, IOUT = 1 mA
-20
0
20
mV
DOSC
On-time Duty Ratio of Oscillator TA = 25 ° C
44
48
54
%
V
Low Battery Indicator Threshold T = 25 ° C, I = 1 mA
1.05
1.10
1.15
V
LBI
A
OUT
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
GENERAL CIRCUIT
I(VIN)
IB
VIN
L
300 kΩ
VIN
LOI
LBI
GND 300 kΩ
SW
VOUT
I(VOUT)
IOUT
VOUT
D
C
January 1999 TOKO, Inc.
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