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參數資料
| 型號： | TK640STL |
| 廠商： | TOKO Inc. |
| 英文描述： | CMOS LDO REGULATOR WITH HIGH ACTIVE CONTROL ADVANCED |
| 中文描述： | CMOS LDO穩壓器具有高先進的主動控制 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 35K |
| 代理商： | TK640STL |
February 1999 TOKO, Inc.
Page 1
ADVANCED INFORMATION
FEATURES
I
Low Dropout Voltage
I
Very Low Quiescent Current (50
μ
A maximum)
I
Internal Bandgap Reference
I
Regulates down to 1.8 V
I
Short Circuit Protection
I
Very Low Standby Current (1
μ
A maximum)
I
Miniature Package (SOT-23-5)
BLOCK DIAGRAM
TKxxxxx
GND
VIN
NC
VOUT
CONTROL
TK6xxxx S
ORDERING INFORMATION
TAPE/REEL CODE
TL: Tape Left
PACKAGE CODE
S: SOT-23-5
Tape/Reel Code
Package Code
Voltage Code
VOLTAGE CODE
18 = 1.8 V
20 = 2.0 V
25 = 2.5 V
28 = 2.8 V
30 = 3.0 V
33 = 3.3 V
35 = 3.5 V
40 = 4.0 V
45 = 4.5 V
50 = 5.0 V
55 = 5.5 V
60 = 6.0 V
DESCRIPTION
The device is a low dropout linear regulation housed in a
small SOT-23-5 package, rated at 500 mW.
An internal P Channel pass transistor is used in order to
achieve low dropout voltage. The device has extremely
low quiescent current (max 50
μ
A). The device offers high
precision output voltage of 2% at over temperature. The
low quiescent current and dropout voltage make this part
ideal for battery powered applications. In the standby
mode when the device is disabled, the linear regulator only
draws 1
μ
A (max).
APPLICATIONS
I
Battery Powered Systems
I
Cellular Telephones
I
Pagers
I
Toys
I
Radio Control Systems
I
Low Voltage Systems
I
Personal Communications Systems
I
Portable Instrumentation
I
Portable Consumer Equipment
CMOS LDO REGULATOR WITH HIGH ACTIVE CONTROL
ADVANCED
INFORMATION
CONTROL
GND
VIN
VOUT
+
-
RBANDGAP
CIRCUIT
+
-
CLIMIT
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