TK65127 Просмотр технического описания (PDF) - Toko America Inc
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TK65127 Datasheet PDF : 20 Pages
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TK651xx
TK65133 ELECTRICAL CHARACTERISTICS
Over operating temperature range and supply voltage range, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP
VIN
IB(Q)
I(VIN)
I(VOUT)
∆fOSC /∆T
VOUT(REG)
∆VOUT /∆T
VOUT(LOI)
∆VOUT(LOI)
RSW(ON)
EFF
Supply Voltage
No Load Battery Current (Note 3)
Quiescent Current into VIN Pin
Quiescent Current into VOUT Pin
Temperature Stability of Oscillator
Regulation Threshold of VOUT
Temperature Stability of VOUT(REG)
VOUT During LOI Transition
V
Threshold Hysteresis
OUT(LOI)
On-resistance of SW Pin
Converter Efficiency (Notes 2,3)
VIN = 1.3 V, IOUT = 0 mA,
TA = 25 ° C
VIN = 1.3 V, IOUT = 0 mA,
TA = 25 ° C
VIN = 1.3 V, IOUT = 0 mA,
VIN = 1.3 V, No Pulse Skipping
TA = 25 ° C
VIN = 1.3 V, IOUT = 0 mA,
VIN = 1.3 V, TA = 25 ° C
T = 25 ° C
A
VOUT ≥ 2.4 V
V = 1.3 V, I = 6 mA,
IN
OUT
L = 95 µH, 3DF Coil
0.90
3.13
2.68
88
20
24
0.1
3.30
100
2.82
60
1.0
80
VULV
Undervoltage Lockout Voltage
IOUT(MAX)
Maximum IOUT for Converter
(Notes 1,3)
TA = 25 ° C, (Note 4)
VIN = 1.1 V, TA = 25 ° C,
L = 95 µH, 3DF Coil
VIN = 1.3 V, TA = 25 ° C,
L = 95 µH, 3DFCoil
VIN = 1.1 V, TA = 25 ° C,
L = 39 µH, D73 Coil
0.45
4
6.5
6
8.0
12.5
V = 1.3 V, T = 25 ° C,
IN
A
L = 39 µH, D73 Coil
20.0
MAX
2.50
UNITS
V
134
µA
35
µA
40
µA
%/° C
3.40
V
ppm/° C
2.93
V
mV
Ω
%
0.79
V
mA
mA
mA
mA
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
LOI
Note 1:
Note 2:
IB
VIN
1K
CN
10 µF
GND
IND
L = 95 µH
CB
10 µF
CS
D
220 pF RS
GND 300 kΩ
VOUT
I(VOUT)
CO
10 µF
Note 3:
IOUT Note 4:
VOUT
Maximum load current depends on
inductor value and input voltages.
Output ripple depends on filter
capacitor values, ESRs and the
inductor value.
When using specified Toko inductor
and Schottky diode with VF = 0.45 V
@ 100 mA.
Regulation not guaranteed.
1K
Page 8
January 1999 TOKO, Inc.
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