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參數(shù)資料
| 型號(hào)： | TK65015M |
| 廠商： | TOKO INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | STEP-UP VOLTAGE CONVERTER WITH VOLTAGE MONITOR |
| 中文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | SOT-23L, 6 PIN |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 116K |
| 代理商： | TK65015M |
Page 2
2-2-96
February, 1996 TOKO, Inc.
TK65015
VARIABLE
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
V
IN
V
UVL
I (V
IN
)
I (V
OUT
)
(OSC)
Supply Voltage
range
Undervoltage lockout threshold
0.90
1.60
V
T
A
= 25
°
C
V
IN
= 1.3 V
V
OUT
= V
OUT (REG)
+20 mV
V
IN
= 0.9 V & V
IN
= 1.6 V
V
IN
= 1.3 V
V
IN
= 0.9V & V
IN
= 1.6 V
V
IN
= 0.9 V & V
IN
= 1.6 V
V
IN
= 1.3 V
V
IN
= 0.9 V & V
IN
= 1.6 V
0mA < I
O
< 4mA
.74
V
Quiescent current into V
IN
pin
Quiescent current into V
OUT
pin
Internal oscillator frequency
20
35
μ
A
22
34
μ
A
70
83
102
kHz
Temperature stability of oscillator
800
ppm/
°
C
D
(OSC)
V
OUT(REG)
On-time duty ratio of oscillator
36
50
64
%
Regulation threshold of V
OUT
Temperature
stability of V
OUT(REG)
Line regulation of V
OUT(REG)
Load regulation of V
OUT(REG)
(Note 2)
V
OUT
during reset transition
V
OUT(RST)
threshold hysteresis
2.85
3.00
3.10
V
250
ppm/
°
C
V
OUT(LINE)
V
O (LOAD)
V
OUT(RST)
V
OUT(RST)
-20
0
20
mV
0
mV
2.48
2.70
V
45
mV
V
RST(HI)
Logic High of RESET w/r/t V
OUT
300 k
Pullup
-100
mV
V
RST(LO)
R
SW(ON)
I
I(Q)
I
O(MAX)
η
Logic Low of RESET
300 k
Pullup
100
mV
On-resistance of switch, IND pin
V
OUT
= V
OUT(REG)
V
I
= 1.3 V, I
O
= 0mA
V
I
≥
1.1 V, V
O
Regulated
V
I
= 1.3 V, I
O
= 4 mA
0.5
ohms
Quiescent current of converter (Note 5)
80
120
μ
A
Maximum I
O
for converter (Notes 3,5)
Converter efficiency (Notes 4,5)
4
mA
74
%
ELECTRICAL CHARACTERISTICS
Over operating temperature range, unless otherwise specified.
ABSOLUTE MAXIMUM RATINGS
All pins except GND ................................................... 6 V
Power Dissipation (Note1) ................................. 400 mW
Storage Temperature Range ................... -55 to +150
°
C
Operating Temp. Range............................-10 to + 50
°
C
Lead Soldering Temperature (10 s) ......................240
°
C
Junction Temperature ...........................................150
°
C
Inductor L: Toko A682AE-014=P3 or equivalent
Diode D: LL103A or equivalent
TEST CIRCUIT
0
1
3
RESET
6
GND
4
VIN
VOUT
2
5
GND
IND
S
S
S
+
S
C
S
10
μ
F
300 k
RESET
15
10
μ
F
10
μ
F
S
S
1K
220 pF
S
D
VO
IO
1K
VI
II
+
S
S
L
+
S
= 95
μ
H
C1
C2
Note 1:
Derate at 0.8 mW/
o
C for operation above T
A
= 25
o
C ambient tempera-
ture, 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.
Note 2:
The output regulation threshold, V
OUT(REG)
, is guaranteed-by-design to
be independent of the load. Regulation will occur provided that the load current is
within the capability of the converter, I
.
The output voltage may fluctuate
slightly with load due to the variation of the ripple voltage, whose magnitude is
primarily determined by the inductor and the ESR of the output capacitors.
Note 3:
Maximum load current depends on inductor value. With a 0.9 V or 1.0 V
supply voltage, 4 mA can be obtained with a smaller inductor value.
Note 4:
Converter efficiency is a function of the diode forward voltage and
inductor winding resistance. It may also depend in varying degree on the inductor
value and capacitor ESRs. By trading component size for better specifications,
efficiency greater than 80% can be attained.
Note 5:
Test performed using the test circuit below.
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