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參數資料
| 型號： | TK11245MBX |
| 廠商： | TOKO INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | VOLTAGE REGULATOR WITH ON/OFF SWITCH |
| 中文描述： | 4.5 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO6 |
| 封裝： | SOT-23L, 6 PIN |
| 文件頁數： | 8/21頁 |
| 文件大?。?/td> | 250K |
| 代理商： | TK11245MBX |
Page 8
1-3-96
TK112xx
January, 1996 TOKO, Inc.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
V
IN
I
IN
I
INS
V
O
V
DROP
I
O
I
OR
Line Reg
Supply Voltage Range
1.8
15
V
Supply Current
I
O
= 0 mA, Except I
CONT
V
IN
= 8 V, Output off
I
O
= 30 mA
I
O
= 60 mA
Note 3
170
350
μ
A
Standby Current
0.1
μ
A
Output Voltage
4.61
4.75
4.89
V
Dropout Voltage
0.18
0.3
V
Output Current
150
170
mA
Recommended Output Current
130
mA
Line Regulation
V
IN
= 5.25
→
10.25 V
I
O
= 5 mA
→
60 mA
I
O
= 5 mA
→
100 mA
100 mV(rms), f = 400 Hz,
I
O
= 10 mA
I
O
= 10 mA
-25
°
C
≤
T
A
≤
+ 75
°
C
10 Hz < f < 100 kHz,
I
O
= 30 mA, Cp = 0.01
μ
F
3.0
30
80
20
60
150
mV
mV
mV
Load Reg
Load Regulation
RR
Ripple Rejection
60
dB
V
O
/
T
A
Temperature Coefficient
0.4
mV/
°
C
V
NO
Output Noise Voltage
45
μ
V(rms)
V
REF
Control Terminal Specification
Noise Bypass Terminal Voltage
1.25
V
I
CONT
V
CONT
Control Current
Output on, V
CONT
= 2.4 V
Output on
Output off
I
O
= 30 mA, V
CONT
= 0
→
2.4 V
14
40
μ
A
Control Voltage
2.4
V
V
0.6
t
r
Output Rise Time Off
→
On
0.3
ms
TK11247 ELECTRICAL CHARACTERISTICS
Test conditions: T
A
= 25
°
C, V
IN
= 5.7 V, unless otherwise specified.
Note 1:
Power dissipation must be derated at rate of 1.6 mW/
°
C for operation above 25
°
C. Maximum power dissipation = 400 mW
(When mounted as recommended), and 200 mW in free air.
Output side capacitor should have low ESR at low temperatures if used below 0
°
C.
I
O
(Output Current) is the measured current when the output voltage drops 0.3 V with respect to V
O
at I
O
= 30 mA.
This measurement (pulse measurement) is with a constant T
J
. The output change due to temperature change is not included.
Note 2:
Note 3:
Note 4:
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