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參數資料
| 型號： | TK11227MBX |
| 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： | 2.75 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO6 |
| 封裝： | SOT-23L, 6 PIN |
| 文件頁數： | 1/21頁 |
| 文件大小： | 250K |
| 代理商： | TK11227MBX |
TK112xx
January, 1996 TOKO, Inc.
Page 1
1-3-96
TK112XXM
BLOCK DIAGRAM
VOLTAGE REGULATOR WITH ON/OFF SWITCH
FEATURES
I
Low Dropout Voltage
I
CMOS/TTL Compatible ON/OFF Switch
I
Very Low Standby Current 180
μ
A (ON, No Load)
I
Internal Thermal Shutdown
I
Short Circuit Protection
I
Very Low (0.1
μ
A) Current in OFF Mode
I
Low Noise with External Bypass Capacitor
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
1
3
CONTROL
GND
6
4
V
IN
V
O
TK112
M
PO
2
5
GND
BYPASS
DESCRIPTION
The TK112XX is a low power, linear regulator with a built-
in electronic switch. The internal electronic switch can be
controlled by TTL or CMOS logic levels. The device is in
the ON state when the control pin is pulled to a high logic
level. A pin for a bypass capacitor is provided, which
connects to the internal circuitry, to lower the overall output
noise level.
An internal PNP pass-transistor is used in order to achieve
low dropout voltage (typically 100 mV at 30 mA load
current). The device has very low quiescent current (180
μ
A) in the ON mode with no load and 1 mA with 30 mA load.
The quiescent current is typically 2.5 mA at 60 mA load.
When the device is in standby mode (V
CONT
= 0), the
quiescent current is typically 100 nA. An internal thermal
shutdown circuit limits the junction temperature to below
150
°
C. The load current is internally monitored and the
device will shut down in the presence of a short circuit at the
output.
TK112
M
Voltage Code
Tape/Reel Code
TAPE/REEL CODE
BX : Bulk/Bag
TL : Tape Left
ORDERING INFORMATION
VOLTAGE CODE
27 = 2.75 V
30 = 3.0 V
32 = 3.25 V
35 = 3.5 V
40 = 4.0 V
45 = 4.5 V
47 = 4.75 V
50 = 5.0 V
S
S
S
S
S
S
S
S
S
S
S
V
O
GND
TK112xx
+
–
BANDGAP
REFERENCE
THERMAL
PROTECTION
–
+
S
NOISE
S
S
S
S
S
S
V
IN
CONTROL
S
S
3
2,5
4
6
1
P5
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相關代理商/技術參數 |
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|---|---|
| TK11227MTL | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:VOLTAGE REGULATOR WITH ON/OFF SWITCH |
| TK11228A | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:VOLTAGE REGULATOR WITH ON/OFF SWITCH |
| TK11228AMBX | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:VOLTAGE REGULATOR WITH ON/OFF SWITCH |
| TK11228AMTB | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:VOLTAGE REGULATOR WITH ON/OFF SWITCH |
| TK11228AMTL | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:VOLTAGE REGULATOR WITH ON/OFF SWITCH |
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