TK72100CSCL [TOKO]

Adjustable Negative LDO Regulator, 3V Min, 17.5V Max, 0.5V Dropout, PDSO5, SOT23-5;
TK72100CSCL
型号: TK72100CSCL
厂家: TOKO, INC    TOKO, INC
描述:

Adjustable Negative LDO Regulator, 3V Min, 17.5V Max, 0.5V Dropout, PDSO5, SOT23-5

光电二极管
文件: 总2页 (文件大小:266K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
POWER&RF  
Adjustable / fixed negative LDO regulator IC  
可変/固定負出力低飽和レギュレータIC  
TK72100CS, TK721xxCS, TK722xxCS  
DESCRIPTION  
The TK72100CS, TK721xxCS and TK722xxCS are low  
dropout linear regulator ICs with on/off control, which can  
supply 150mA load current.  
TK72100CS, TK721xxCS, TK722xxCSは、出力電流150mAを  
安定に供給できるon/offコントロール付低飽和レギュレータIC  
です。TK721xxCSTK722xxCSの出力電圧は内部固定で高  
精度にトリミングされ、TK721xxCS-2.0Vより-9.5V、  
TK722xxCS-3.0Vより-9.5Vの間で設定できます。また  
TK72100CSの出力電圧は外部抵抗により-3.0Vより-17.0Vの  
間で自由に設定できます。  
The output voltage of the TK72100CS, adjustable by external  
resistors, is available from –3.0 to -17.5V. Trimmed with high  
accuracy, The output voltage of the TK721xxCS is available  
from -2.0 to -9.5V and that of the TK722xxCS is available  
from -3.0 to -9.5V.  
FEATURES  
„ Adjustable Negative Output Voltage(TK72100CS)  
„ 可変負出力電圧(TK72100CS)  
„
High Precision Output Voltage of  
±
2.0% or  
±
60mV(TK721xxCS/TK722xxCS)  
„
„
高精度出力電圧  
:
±
2.0% or 60mV(TK721xxCS/TK722xxCS)  
±
„ Active Low On/off Control  
„ Active High On/off Control  
出力on/offコントロール: High-Off(TK72100CS/TK721xxCS)  
„ 出力on/offコントロール: High-On(TK722xxCS)  
„ 短絡保護機能(過電流保護)  
„ Short Circuit Protection (Over Current Protection)  
„ Thermal Shutdown (Over Heat Protection)  
„ サーマルシャットダウン機能(過熱保護)  
APPLICATIONS  
„ Battery Powered Systems  
„ DSC(Digital Still Camera)  
„ CCD(Coupled Charge Device) Bias  
„ GaAs Bias  
„ バッテリー駆動機器  
„ デジタルスチルカメラ  
„ CCDバイアス  
„ GaAsバイアス  
PACKAGE OUTLINE  
ORDERING INFORMATION  
Part name  
Package  
Marking Pin configuration  
K00  
Ordering information  
T K 7 2  
x x C S  
L
TK72100CS  
SOT23-6  
Number  
Storage direction  
L: Left type(SOT23-5)  
B: Back type(SOT23-6)  
Temperature range  
1, 2  
See next  
Voltage code  
Kxx  
TK721xxCS  
SOT23-5  
SOT23-5  
page  
Ex.-10.3V: 03, -5.0V: 50,  
adjustable: 00  
C: TA=25°C, I: Full  
Package code  
Txx  
TK722xxCS  
S: SOT23-5, SOT23-6  
* “xx” means voltage code. “xx”は電圧コードを示しています。  
ABSOLUTE MAXIMUM RATINGS  
Parameter  
項目 Symbol 記号 Rating  
定格 Unit 単位 Remarks  
備考  
Operating Voltage Range  
Operating Temperature Range  
Power Dissipation  
動作電圧範囲  
動作温度範囲  
許容消費電力  
VOP  
TOP  
PD  
-19  
-40 to +85  
500  
V
°C  
mW  
3-28  
2005 WINTER  
POWER&RF  
ELECTRICAL CHARCTERISTICS  
TK72100CS: VIN=-9.5V, TA=25°C, TK721xxCs/TK722xxCS: VIN=VOUT.TYP-1.5V, TA=25°C  
Parameter  
項目  
Symbol  
記号  
Value  
TYP  
290  
100  
300  
170  
155  
30  
Units  
単位  
Conditions  
条件  
MIN  
MAX  
500  
TK72100CS  
Dropout Voltage  
入出力間電圧降下  
VDROP  
mV  
mA  
µA  
IOUT=50mA  
TK721xxCs/TK722xxCS  
When VOUT down 10%  
TK72100CS  
Maximum Output Current  
Quiescent Current  
最大出力電流 I
OUT.MAX  
200  
250  
250  
60  
電源電流  
IQ  
IOUT=0mA  
TK721xxCs/TK722xxCS  
TK72100CS  
Standby Current  
Control Current  
スタンバイ電流  
ISTB  
V
OUT
off state  
µA  
µA  
20  
60  
TK721xxCs/TK722xxCS  
VCONT=+1.8V  
コントロール電流  
12  
30  
ICONT  
0.0  
1.5  
1.2  
0.3  
V
OUT
on state: TK72100CS, TK722xxCS  
V
OUT
off state: TK72100CS, TK722xxCS  
VOUT on state: TK722xxCS  
Control Voltage  
コントロール電圧  
VCONT  
V
0.6  
VOUT off state: TK722xxCS  
BLOCK DIAGRAM  
„ TK72100CS  
TK72100CS  
GND  
CNP  
1
2
6
5
4
1
Noise  
pass  
6
5
4
C.C.  
B.R.  
2
3
FB  
VEE  
VIN  
off  
CIN  
VOUT  
VOUT  
VCONT  
COUT  
R2  
R1  
O.H.P.  
O.C.P.  
on  
3
V
OUT
=V
FB
×{(R
1
+R
2
}/R
1
}, V
FB.TYP
=-1.20V  
„ TK721xxCS  
90k  
TK721xxCS  
off  
on  
1
5
1
2
3
5
VCONT  
VOUT  
GND  
VOUT  
COUT  
VIN  
VEE  
CIN  
Noise  
pass  
4
2
CNP  
C.C.  
B.R.  
O.H.P.  
O.C.P.  
3
4
5
„ TK722xxCS  
90kΩ  
TK722xxCS  
1
2
3
on  
off  
1
2
3
5
4
VCONT  
VOUT  
VOUT  
COUT  
VIN  
VEE  
CIN  
Noise  
pass  
GND  
CNP  
C.C.  
B.R.  
O.H.P.  
O.C.P.  
4
* C.C….Control Circuit, O.H.P…Over Heat Protection, O.C.P…Over Current Protection, B.G….Band gap Reference  
2005 WINTER  
3-29  

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