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參數(shù)資料
| 型號(hào)： | TK11231BUCB |
| 廠商： | TOKO INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | VOLTAGE REGULATOR WITH ON/OFF SWITCH |
| 中文描述： | 3.1 V FIXED POSITIVE LDO REGULATOR, 0.39 V DROPOUT, PDSO5 |
| 封裝： | SOT-89, 5 PIN |
| 文件頁(yè)數(shù)： | 9/24頁(yè) |
| 文件大?。?/td> | 157K |
| 代理商： | TK11231BUCB |
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October 1999 TOKO, Inc.
Page 9
TK112xxB
OUTPUT VOLTAGE VARIATION
-50
100
V
0
50
TA (
°
C)
-20
-10
0
10
-30
VOUT = 2 V
4 V
5 V
3 V
LINE VOLTAGE STEP RESPONSE
V
V
CN = 0.001 μF, CL = .22 μF
CN = 0.01 μF, CL = 2.2 μF
VOUT +2 V
VOUT +1 V
V
TIME (50 μs/DIV)
V
LOAD CURRENT STEP RESPONSE
I
V
CN = 0.01 F, CL = 2.2 μF
100 mA
50 mA
CN = 0.1 F, CL = 10 μF
V
TIME (50 μs/DIV)
V
NOISE LEVEL
VS.
CN
1 PF
10
CN
50
N
200
100
150
250
1000
0
100
.01 μF
.1
CL = 2.2 μF
VOUT = 3 V
IOUT = 60 mA
CL = 10 μF
CL = 3.3μF
NOISE SPECTRUM
0
1 M
-100
d
0
-50
500
k
f (Hz)
CL = 3.3 μF, CN = NONE
CL = 3.3 μF, CN = 0.1 μF
SPECTRUM ANALYZER BACK-
GROUND NOISE
-50
100
I
0
50
280
TA (
°
C)
240
250
260
270
VOUT = 1.9 V
VOUT = 2 to 2.6 V
VOUT = 2.7 V
VOUT = 1.3 V
MAXIMUM OUTPUT CURRENT
UPPER
UNDER
RIPPLE REJECTION
0.01
0.1
f (kHz)
-80
R
-20
-60
-40
0
1
-100
10
100
CN = 0.1 μF
CN = 0.01 μF
I OUT = 30 mA
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
T
A
= 25
°
C, unless otherwise specified.
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