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參數資料
| 型號： | TK11324BUCB |
| 廠商： | TOKO INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Sealed illuminated pushbutton switch with flush mount options |
| 中文描述： | 2.4 V FIXED POSITIVE LDO REGULATOR, 0.39 V DROPOUT, PDSO5 |
| 封裝： | SOT-89, 5 PIN |
| 文件頁數： | 1/13頁 |
| 文件大小： | 152K |
| 代理商： | TK11324BUCB |
May, 1997 TOKO, Inc.
Page 1
TK113xxB
VOLTAGE REGULATOR WITH ON/OFF SWITCH
FEATURES
I
High Voltage Precision at
±
2.0%
I
Active Low On/Off Control
I
Very Low Dropout Voltage 80 mV at 30 mA
I
Very Low Noise
I
Very Small SOT-23L or SOT-89-5 Surface Mount
Packages
I
Internal Thermal Shutdown
I
Short Circuit Protection
APPLICATIONS
I
Battery Powered Systems
I
Cellular Telephones
I
Pagers
I
Personal Communications Equipment
I
Portable Instrumentation
I
Portable Consumer Equipment
I
Radio Control Systems
I
Toys
I
Low Voltage Systems
TK113 B
Voltage Code
Package Code
Tape/Reel Code
PACKAGE CODE
M: SOT-23L
U: SOT-89-5
ORDERING INFORMATION
VOLTAGE CODE
20 = 2.0 V
21 = 2.1 V
22 = 2.2 V
23 = 2.3 V
24 = 2.4 V
25 = 2.5 V
26 = 2.6 V
27 = 2.7 V
28 = 2.8 V
29 = 2.9 V
30 = 3.0 V
31 = 3.1 V
32 = 3.2 V
33 = 3.3 V
34 = 3.4 V
35 = 3.5 V
36 = 3.6 V
37 = 3.7 V
38 = 3.8 V
39 = 3.9 V
40 = 4.0 V
41 = 4.1 V
42 = 4.2 V
43 = 4.3 V
44 = 4.4 V
45 = 4.5 V
46 = 4.6 V
47 = 4.7 V
48 = 4.8 V
49 = 4.9 V
50 = 5.0 V
55 = 5.5 V
60 = 6.0 V
80 = 8.0 V
C
TAPE/REEL CODE
L : Tape Left
(SOT-23L)
B : Tape Bottom
(SOT-89-5)
BLOCK DIAGRAM
S
S
S
S
S
S
S
S
S
S
V
OUT
+
–
BANDGAP
REFERENCE
THERMAL
PROTECTION
–
+
S
S
S
V
IN
CONTROL
S
S
GND
S
S
S
S
NOISE BYPASS
TK113XXB
20Q
1
3
CONTROL
GND
6
4
V
IN
V
OUT
2
5
GND
NOISE
BYPASS
1
3
6
4
2
5
VOUT
GND
NOISE
BYPASS
GND
CONTROL
VIN
DESCRIPTION
The TK113xxB is a low dropout linear regulator with a built-
in electronic switch. The device is in the ON state when the
control pin is pulled to a low level. An external capacitor can
be connected to the noise bypass pin to lower the output
noise level to 30
μ
Vrms.
An internal PNP pass transistor is used to achieve a low
dropout voltage of 80 mV (typ.) at 30 mA load current. The
TK113xxB has a very low quiescent current of 170
μ
A at no
load and 1 mA with a 30 mA load. The standby current is
typically 100 nA. The internal thermal shutdown circuitry
limits the junction temperature to below 150
°
C. The load
current is internally monitored and the device will shutdown
in the presence of a short circuit or overcurrent condition at
the output.
The TK113xxB is available in either 6 pin SOT-23L or 5 pin
SOT-89-5 surface mount packages.
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