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PS113


PS113
Version Issue Date File Name Total Pages : A.006 : 2009/09/29 : SP-PS113-A.006.doc : 10

3-Channel Secondary Monitoring IC

新竹市科學園區展業一? 9 號 7 ?之 1

/>SILICON TOUCH TECHNOLOGY INC.
9-7F-1, Prosperity Road I, Science Based Industrial Park, Hsin-Chu, Taiwan 300, R.O.C. Tel:886-3-5645656 Fax:886-3-5645626

PS113

PS113 3-Channel Secondary Monitoring IC
General Description
PS113 is specially designed for switching power supply system. Three important functions of PS113 are the following: over-voltage protection, short circuit protection and power good signal generating. OVP (Over Voltage Protection) monitors 5V, 12V and 3.3V to protect our power supply and PC, when one of these supply voltages exceeds their normal operation voltage. Short circuit protection is done by UVP (Under Voltage Protection). When power supply is in short circuit, the supply voltages will be much smaller than their normal operation voltages .We can use UVP to monitor our power supply whether it is in the dangerous power load. Power good signal generating notifies personal computer when power supply is ready or power supply is going to shutdown, therefore it can provide a reliable power supply environment.

Features
Over voltage protection and lock out Short circuit protection and lock out Fault protection output with open drain output stage Open drain power good output signal for power good input Built-in 300ms power good delay 75ms delay for short-circuit turn on protection 38ms PSON control de-bounce 73us de-bounce for noise immunity Wide power supply range from 4V to 16V Pin to pin compatible with TPS3510 Special care for AC power off Additional 12V UVP protection

3-Channel Secondary Monitoring IC

Version:A.006

PAGE 1

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PS113

Block Diagram

FPO/ Vcc
155KΩ
VCCI

73uS De-bounce 12 UV

S Q R 1MΩ delay

8.5KΩ

Vref
VCCI

12 OV 16.5KΩ Vref H : 4mS L : 4.5uS
VCCI VCC

30KΩ 2KΩ

VS5
58KΩ
VCCI

38mS De-bounce

PSON/
1.25V 4.5V 90KΩ

5 UV

13.5KΩ Vref
VCCI

5 OV 18.5KΩ Vref delay H : 75mS L : 4.5uS 1 0

VCCI

1.13V
VCCI

VS33
39KΩ
VCCI

PGI
0.63V R Q S
VCCI

3.3 UV

22KΩ

Vref
VCCI

1.25V 3.3 OV

29KΩ

Vref 1MΩ

VCCI

PGO
delay 73uS De-bounce H : 300mS L : 4.5uS Vref 1.25V

Power On Reset

POR

Internal Power

VCCI = 4V

Band-Gap Reference

Clock Generator

CLK

GND

3-Channel Secondary Monitoring IC

Version:A.006

PAGE 2

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PS113

Timing Chart

Vcc

PSON/

FPO/

PGI

VS12 VS5 VS33

PGO

Td1 Td2 AC turn on UVP/OVP protect

Tb1 Td3

PSON/ turn on

PSON/ turn off

PSON/ turn on

AC turn off

VPGI

1.25V 1.13V 0.63V

Td1 Td2 OVP OVP/UVP OVP

3-Channel Secondary Monitoring IC

Version:A.006

PAGE 3

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PS113

Pin Descriptions
Pin No 1 2 3 4 5 6 7 8 PIN NAME PGI GND FPO PSON VS33 VS5 VCC PGO Ground Inverted fault protection output ,open drain output stage ON/OFF control input pin 3.3V over/under voltage protection input pin 5.0V over/under voltage protection input pin Supply voltage/12V over voltage protection input pin Power good output signal pin , open drain output stage Descriptions Power good input signal pin

Absolute Maximum Ratings
Parameter Storage Temperature Supply Voltage Input Voltage Range (Tstg) (VCC) (VI) VCC VS33,VS5 PGI PSON/ Output Voltage Range ESD Susceptibility* (VO) (VESD) FPO/ PGO -40 -30 -0.5 -0.5 -0.5 -0.5 -0.5 -0.5 Operating Temperature (Topr) Rating to to to to to to to to > +125 +90 +16.0 Vcc+0.5 +16.0 Vcc+0.5 +16.0 Vcc+0.5 2500 Unit °C °C V V V V V V V

* Human Body Model (HBM).

Electrical characteristics, Vcc=12V, Ta = 25?C. (unless otherwise specified)
Power Supply Section
Parameter Supply Voltage Supply Current Power On Reset Threshold Voltage (VPOR) Power On Reset Hysteresis (VHYST) VPSON/ = 5V Conditions MIN 3.8 TYP 5.0 2 3.6 ±0.6 MAX 16.0 3 Unit V mA V V

3-Channel Secondary Monitoring IC

Version:A.006

PAGE 4

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PS113 Electrical Characteristics (Continued)
Over-Voltage Section
Parameter VS33 Over-Voltage Threshold VS5 VS12 Conditions MIN 3.7 5.7 13.2 TYP 3.9 6.1 13.8 MAX 4.1 6.5 14.4 Unit V V V

Under-Voltage Section
Parameter VS33 Under-Voltage Threshold VS5 VS12 Conditions MIN 2.0 3.3 8.5 TYP 2.2 3.5 9.0 MAX 2.4 3.7 9.5 Unit V V V

PSON/, Analog Input
Parameter Threshold Voltage Hysteresis (VHYST) Conditions MIN 0.9 TYP 1.2 ±50 MAX 1.5 Unit V mV

PGI, Analog Input
Parameter Threshold Voltage for start Td1 Threshold Voltage for start Td2 Threshold Voltage for mask OC,UV Hysteresis (VHYST)*
* All of the comparator for PGI input in block diagram.

Conditions

MIN 1.16 0.60 1.05

TYP 1.25 0.63 1.13 ±50

MAX 1.33 0.75 1.21

Unit V V V mV

PGO, Open Drain Digital Output
Parameter Leakage Current (ILKG) Low Level Output Voltage (VOL) Conditions VPGO=5V ISINK=10mA MIN TYP MAX 5 0.4 Unit uA V

3-Channel Secondary Monitoring IC

Version:A.006

PAGE 5

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PS113 Electrical Characteristics (Continued)
FPO/, Open Drain Digital Output
Parameter Leakage Current (ILKG) Low Level Output Voltage (VOL) Conditions VFPO/=5V ISINK=10mA ISINK=30mA MIN TYP MAX 5 0.3 0.7 Unit uA V V

Switching Characteristics, Vcc=5V, Ta = 25?C.
Parameter PGI to PGO Delay Time (Td1) Short Circuit Delay Time (Td2) PGO to FPO/ Delay Time (Td3) PSON/ De-bounce Time (Tb1) Noise De-glitch Time (Tb2) Conditions MIN 200 49 2 24 47 TYP 300 75 4 38 73 MAX 480 100 6 61 120 Unit mS mS mS mS uS

Application
S.P.S. Secondary Side
+5V Output +3.3V Coil +12V Coil +3.3V Output +12V Output

DV

=

or

RPGO 4.7K

1 PGI 2 GND
+5VSB 1K PSON

PGO 8 VCC 7 VS5 6 VS33 5

PGO +5VSB

3 FPO/ 4 PSON/

PS113

Note1: Zener diode or resistor or both of them can be used in component X. Note2: The bypass capacitor Cby suggests to be 0.1uF~ 10uF and layout nearby pin VCC.
3-Channel Secondary Monitoring IC Version:A.006 PAGE 6

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CPSON

CPGI

RPGI

Dimensi

PS113

Package Specification
( 8-pin DIP )

E1

E

eB eB

θ° D

A2

A Seating Plane

A1

L

b1

b

e

0

5

10

15

20

25

mm

0.0

0.5

1.0

inch

Symbol A A1 A2 b b1 D E E1 e eB L θ°

Dimension in mm Min 0.381 3.175 3.302 1.524 0.457 9.017 7.366 6.223 8.509 2.921 0 9.271 7.620 6.376 2.540 9.017 3.302 7 9.525 3.810 15 10.160 7.874 6.528 3.429 Normal Max 5.334

Dimension in inch Min 0.015 0.125 0.13 0.06 0.018 0.355 0.290 0.245 0.335 0.115 0 0.365 0.300 0.251 0.100 0.355 0.13 7 0.375 0.150 15 0.4 0.310 0.257 0.135 Normal Max 0.210

NOTE

3-Channel Secondary Monitoring IC

Version:A.006

PAGE 7

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PS113 Package Specification (Continued)
( 8-pin SOP )

E

H

0.015 x 45°

D

A2

A

C

A1 b Seating Plane
0.004 MAX

θ° L

e

0

5

10

mm

0.0

0.2

0.4

inch

Symbol A A1 A2 b c D E e H L θ°

Dimension in mm Min 1.346 0.102 1.346 0.406 0.203 4.801 3.810 1.270 5.791 0.406 0 6.198 1.270 8 4.978 3.988 Normal Max 1.753 0.254 1.499

Dimension in inch Min 0.053 0.004 0.053 0.016 0.008 0.189 0.150 0.050 0.228 0.016 0 0.244 0.050 8 0.196 0.157 Normal Max 0.069 0.010 0.059

NOTE

3-Channel Secondary Monitoring IC

Version:A.006

PAGE 8

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PS113

The products listed herein are designed for ordinary electronic applications, such as electrical appliances, audio-visual equipment, communications devices and so on. Hence, it is advisable that the devices should not be used in medical instruments, surgical implants, aerospace machinery, nuclear power control systems, disaster/crime-prevention equipment and the like. Misusing those products may directly or indirectly endanger human life, or cause injury and property loss. Silicon Touch Technology, Inc. will not take any responsibilities regarding the misusage of the products mentioned above. Anyone who purchases any products described herein with the above-mentioned intention or with such misused applications should accept full responsibility and indemnify. Silicon Touch Technology, Inc. and its distributors and all their officers and employees shall defend jointly and severally against any and all claims and litigation and all damages, cost and expenses associated with such intention and manipulation. Silicon Touch Technology, Inc. reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete.

3-Channel Secondary Monitoring IC

Version:A.006

PAGE 9

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