ts5201 Taiwan Semiconductor Company, Ltd. (TSC), ts5201 Datasheet

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ts5201

Manufacturer Part Number
ts5201
Description
200ma Low Noise Ldo Voltage Regulator With Enable
Manufacturer
Taiwan Semiconductor Company, Ltd. (TSC)
Datasheet
General Description
TS5201 is an efficient linear voltage regulator with ultra low noise output, very low dropout voltage (typically 17mV at
light loads and 165mV at 200mA), and very low power consumption (600uA at 100mA), providing high output current
even when the application requires very low dropout voltage. The Chip Enable (EN) includes a CMOS or TTL
compatible input allows the output to be turned off to prolong battery life. When shutdown, power consumption drops
nearly to zero. TS5201 is included a precision voltage reference, error correction circuit, a current limited output
driver, over temperature shutdown, revered battery protection and a reference bypass pin to improve its already
excellent low-noise performance.
Features
Application
Ordering Information
Note: Where xx denotes voltage option, available are
TS5201CSxx RF
Ultra Low Noise Output
Output Current up to 200mA
Low Dropout Voltage
Low Power Consumption
“Zero” Off-mode Current
Logic Controlled Electronic Enable
Internal Current Limit
Thermal Shutdown Protection
Cellular Telephones
Palmtops, Notebook Computers
Battery Powered Equipment
Consumer and Personal Electronics
SMPS Post Regulator and DC to DC Modules
High-efficiency Linear Power Supplies
Portable Application
SOP-8
Part No.
Leave blank for adjustable version. Contact factory
for additional voltage options.
50=5.0V
33=3.3V
30=3.0V
25=2.5V
Pin Definition:
1. Output
2. ADJ / N/C
3. Ground
4. N/C
Package
SOP-8
8. Input
7. N/C
6. N/C
5. Enable
2.5Kpcs / 13” Reel
Packing
1/7
Typical Application Circuit
EN (pin3) may be connected directly to V
Low noise operation: C
Basic operation: C
C
2.2uF
OUT
V
V
OUT
OUT
Adjustable Version: V
R1
R2
Voltage Regulator with Enable
C
2.2uF
OUT
(Adjustable output range up to 8V)
BYP
200mA Low Noise LDO
=not used, C
BYP
TS5201CSxx
TS5201CS
=470pF, C
OUT
= 1.24 (R1+R2)/R2
OUT
OUT
>2uF
TS5201
IN
>2.2uF
Version: A07
(pin 1)
on
on
V
V
EN
EN
IN
off
IN
off

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ts5201 Summary of contents

Page 1

... N/C General Description TS5201 is an efficient linear voltage regulator with ultra low noise output, very low dropout voltage (typically 17mV at light loads and 165mV at 200mA), and very low power consumption (600uA at 100mA), providing high output current even when the application requires very low dropout voltage. The Chip Enable (EN) includes a CMOS or TTL compatible input allows the output to be turned off to prolong battery life ...

Page 2

... Io=100mA Io=200mA V =0V OUT At f=100Hz, Io=100uA, Io=50mA, C =2.2uF, OUT 470pF from bypass to Ground Regulation shutdown Regulation enable V ≤ 0. ≥ 2.0V IH 2/7 TS5201 200mA Low Noise LDO Voltage Regulator with Enable Value -20~ +20 IN -20~ + Internal limited D 220 +125 J -65 ~ +150 STG 5 +2 ...

Page 3

... Thermal regulation is defined as the change in output voltage at a time “t” after a change in power dissipation is applied, excluding load or line regulation effects. Specifications are for a 200mA load pulse at V Block Diagrams 200mA Low Noise LDO Voltage Regulator with Enable - Ta] + Ө . Exceeding the maximum J(MAX) JA OUT 3/7 TS5201 <5V version). Changes =16V for t=10mS. IN Version: A07 ...

Page 4

... C BYPASS No Load Stability The TS5201 series will remain stable and in regulation with no load, unlike many other voltage regulators. This is especially important in CMOS RAM keep alive applications. Adjustable Regulator Design The adjustable regulator versions can be adjusted to a specific output voltage by using two external resistors to programming the output voltage anywhere between 1.25 and the 8V maximum operating rating of the family. Two resistors are used. Resistors can be quite large up to 470kΩ ...

Page 5

... On adjustable devices, a capacitor from ADJ to GND will decrease high frequency noise on the output. See following figure: Minimum Load The TS5201 will remain stable and in regulation with no load unlike many other voltage regulators. This is especially important in CMOS RAM keep-alive applications. Voltage Regulator with Enable o C), and Ta is the ambient operating temperature. Θ ...

Page 6

... Leave the blank as Adjustable version Y = Year Code M = Month Code (A=Jan, B=Feb, C=Mar, D=Apl, E=May, F=Jun, G=Jul, H=Aug, I=Sep, J=Oct, K=Nov, L=Dec Lot Code 6/7 TS5201 200mA Low Noise LDO Voltage Regulator with Enable SOP-8 DIMENSION MILLIMETERS INCHES MIN MAX MIN 4.80 5 ...

Page 7

... The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications their own risk and agree to fully indemnify TSC for any damages resulting from such improper use or sale. 200mA Low Noise LDO Voltage Regulator with Enable Notice 7/7 TS5201 Version: A07 ...

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