Datasheet

UNISONIC TECHNOLOGIES CO., LTD
3513
CMOS IC
PC POWER SUPPLY
SUPERVISOR

DESCRIPTION
DIP-16
The UTC 3513 is designed to provide protection circuits, power
good output (PGO) indicator, fault protection output (FPOB) and a
PSONB control for PC switching power supply systems.
The protection circuits include over voltage protection (OVP), under
voltage protection (UVP) and over current protection(OCP) monitoring
for 3.3V, 5V and two 12V.
When 3.3V, 5V or 12V voltage is decreasing to 2.68V, 4.3V and
SOP-16
9.9V respectively, the under voltage protection (UVP) function will be
enabled. FPO will be set to high to turn off the PWM controller IC.
Toggling the PSONB from low to high will reset the fault protection
latch.
The voltage difference across external current shunt is used for OCP functions. An external resistor can be used
to adjust protection threshold.
The power supply is turned on after 38mS delay time when PSONB signal is set from high to low. To turn off
power supply, PSONB signal is set from low to high with the delay time 38mS. The PGI circuitry provides a
power-down warning signal for PGO. When PGI input is lower than the internal 1.20V reference voltage, PGO
signal is pulled low.
The device is available in two versions: UTC 3513E/3513F. Specially, fan control function is available in
OTP/FC pin of UTC 3513F.

FEATURES
* OVP/UVP monitors 3.3V, 5V, 12V input voltage level.
* OCP monitors IS33, IS5, IS12 input current sense.
* Fault protection output (FPOB) with Open Drain Output stage.
* Power good output (PGO) with Open Drain Output stage.
* 38ms de-bounce time for PSONB input signal.
* 300ms time delay from PGI to PGO.
* 2.4ms time delay for PSONB to turn off FPOB.

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
3513EL-D16-T
3513EG-D16-T
3513EG-S16-R
3513FL-D16-T
3513FG-D16-T
3513FG-S16-R
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Copyright © 2015 Unisonic Technologies Co., Ltd
Package
Packing
DIP-16
SOP-16
DIP-16
SOP-16
Tube
Tape Reel
Tube
Tape Reel
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CMOS IC
MARKING
Package
3513E
3513F
DIP-16
SOP-16
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CMOS IC
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PIN ASSIGNMENT

PIN DESCRIPTIONS
PIN NO
PIN NAME
TYPE
1
PGI
Input
2
GND
Supply
3
FPOB
Output
4
PSONB
Input
5
OTP/FC
Input
6
RI
Input
7
8
8
9
9
10
11
12
13
14
15
VS12B
IS12B*
PWM**
IS12A*
IS12AB**
VS12A
IS33
VS33
IS5
VS5
VDD
Input
Input
Output
Input
Input
Input
Input
Input
Input
Input
Supply
16
PGO
Output
DESCRIPTION
Power Good Input. For ATX SMPS, it detects AC line voltage through the
main transformer.
Ground
Fault Protection Output. Output signal to control the primary PWM IC through
an opto-coupler. When FPOB is low, the PWM IC is enabled.
Remote On/Off logic input from CPU or main-board. The power supply will be
turned on/off after 38mS delay.
Over temperature protection/Fan speed control
Reference setting. One external resistor Ri connected between RI and GND
pin will determine a reference current, IREF = 1.20/Ri, for OCP programming.
12V over/under voltage protection.
12V over current protection.
Pulse width modulation.
12V over current protection.
12V over current protection.
12V over/under voltage protection.
3.3V over current protection
3.3V over/under voltage protection
5V over current protection.
5V over/under voltage protection.
Power supply.
Power good logic output, 0 or 1(open-drain). Power good=1 means that the
power supply is good for operation. The power good delay is 300mS.
* 3513E only
** 3513F only
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CMOS IC
FUNCTION DESCRIPTION(1)
ORDERING
OTP low level
OTP high level
FC/PWM
3513E
3513F
2.45V
2.45V
3.25V
3.25V
X
○
T(PSONB ON)/
T(PSONB OFF)
38ms
38ms
73μs
73μs
FPOB
L
H
L
H
L
H
H
H
H
PGO
L
L
L
L
H
L
L
L
L
tg2
FUNCTION DESCRIPTION(2)
PGI
PSONB
UV&OC Protection OV Protection
PGI<1.2V
L
No
No
PGI<1.2V
L
No
Yes
PGI<1.2V
L
Yes
No
PGI<1.2V
L
Yes
Yes
PGI>1.2V
L
No
No
PGI>1.2V
L
No
Yes
PGI>1.2V
L
Yes
No
PGI>1.2V
L
Yes
Yes
X
H
X
X
Note: FPOB=L means: fault is not latched. FPOB=H means: fault is latched
PGO=L means: fault. PGO=H means: No fault
X=do not care
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CMOS IC
BLOCK DIAGRAM
VDD
RST
PGI
Bandgap
Reference
VREF=1.2V
+
UN
-
73 μs
debounce
clr
PGO
300ms
delay
V12A
IS33
+
I REF*8
VS33
73 μs
debounce
+
OV
+
UN
V12A
IS12A
+
IREF*8
VS12A
PWR
Power On Reset
2.4ms
Internal
Power
VCCI=3.6V
38 ms
debounce
delay
+
OV
-
FPOB
RQ
S Q
PSONB
OTP
75ms/ 300ms
delay
+
UN
-
2.4V~3.2V
V12A
IS12B
PWR
+
IREF*8
VS12B
OSC
+
OV
-
CLK
+
UN
V12A
IS5
V12A
+
-
VREF=1.2V
IREF*8
VS5
+
RI
+
OV
+
UN
-
Fig. 1 3513E
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CMOS IC
BLOCK DIAGRAM(Cont.)
VDD
RST
PGI
Bandgap
Reference
VREF=1.2V
+
UN
-
73μs/
debounce
clr
PGO
300ms
delay
V12A
IS33
+
73μs
debounce
IREF*8
VS33
+
OV
-
FPOB
R Q
S Q
+
UN
V12A
IS12AB
Power On Reset
+
PWR
Internal
Power
VCCI=3.6V
2.4ms
IREF*8
VS12A
delay
+
OV
+
-
38ms
debounce
PSONB
OTP/FC
75ms/300ms
delay
UN
2.4V~3.2V
V12A
+
IREF*8
VS12B
+
+
-
PWR
UN
V12A
IS5
PWM
-
+
OV
-
OSC
+
CLK
IREF*8
VS5
V12A
+
OV
-
+
-
VREF=1.2V
+
-
UN
RI
Fig. 2 3513F
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CMOS IC
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
-0.3 ~ 16
V
VS5,VS33
-0.3 ~ 7
V
VS12A, VS12B
-0.3 ~ 16
V
Input Voltage
VIN
IS12A, IS12B, IS5, IS33
-0.3 ~ V12A+0.3
V
-0.3 ~ 7
V
PSONB, PGI, OTP
FPOB
V
-0.3 ~ VDD+0.3
Output Voltage
VOUT
PGO
-0.3 ~ VDD+0.3
V
Operating Temperature
TOPR
-40 ~ +125
C
Storage Temperature
TSTG
-55 ~ +150
C
Note 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. Stress above those listed may cause permanent damage to the devices.
Supply Voltage

VDD
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
VDD
Supply Voltage
Input Voltage
Output Voltage
Output Sink Current
VS5,VS33
VS12A, VS12B
IS12A, IS12B, IS5, IS33
PSONB, PGI,OTP
FPOB
PGO
FPOB
PGO
TYP
12
VIN
VOUT
IO(SINK)
RI Output Current
Supply Voltage Rising Time (VDD)

MIN
4
IO(RI)
tR
10
1
MAX
15
7
15
15
7
7
7
30
10
65
UNIT
V
V
V
V
V
V
V
mA
mA
uA
ms
ELECTRICAL CHARACTERISTICS (TA=25C, VDD=5V, V12A=12V)
PARAMETER
OVER VOLTAGE DETECTION
Over Voltage Threshold
SYMBOL
TEST CONDITIONS
V12A, V12B
V5
V33
Low Level Output Voltage (FPOB)
VOL
Output Leakage Current (FPOB)
PSONB
High-Level Input Voltage
Low-Level Input Voltage
Input Pull-up Current
ILEAK
VIH
VIL
IIN
TYP
MAX
UNIT
13.2
5.7
3.7
13.8
5.95
3.9
14.4
6.2
4.1
0.3
0.7
5
V
V
V
@ ISINK=10mA
@ ISINK=30mA
@ V(FPOB)=5V
2
0.8
@ PSONB=0V
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MIN
100
V
uA
V
V
uA
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CMOS IC
ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
PGI AND PGO
Under Voltage Threshold
Input Threshold Voltage (PGI)
Low Level Output Voltage (PGO)
Output Leakage current (PGO)
OTP/FC
High-Level Input Voltage (OTP)
Low-Level Input Voltage (OTP)
Start-up Voltage (FC)
Stop Voltage (FC)
PWM
High Level Output Voltage
Low Level Output Voltage
Output Leakage Current
PWM Frequency
SWITCHING CHARACTERISTICS
PSONB ON
(PSONB Low to FPOB Low)
PSONB OFF
(PSONB Hi to PGO Low)
PGI to PGO Delay Time
Timing PGO Low to FPO high
UVD/OCD turn on delay Time
Noise Deglitch Time
Noise Deglitch Time for Latch
TOTAL DEVICE
Low Voltage
Supply Current
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
9.5
4.15
2.54
1.16
9.90
4.30
2.68
1.20
10.5
4.45
2.82
1.24
0.4
5
V
V
V
V
V
uA
3.10
2.30
0.7
0.55
3.25
2.45
0.8
0.65
3.40
2.60
0.9
0.75
V
V
V
V
28
35
0.4
5
42
V
V
μA
KHz
T(PSONB ON) @ VDD=5V
32
38
62
ms
T(PSONB OFF) @ VDD=5V
32
38
62
ms
200
2.0
65
260
63
63
300
2.4
75
300
75
75
490
4
122
488
120
120
ms
ms
ms
ms
μs
μs
1
V
mA
V12A, V12B
V5
V33
VI(THD)
VOL
@ ISINK=10mA
ILEAK
@ PGO=5V
VIH
VIL
VOH
VOL
ILEAK
fPWM
TPG
TPSOFF
TUVP1
TUVP2
tG1
tG2
VDD
IDD
3513E/3513F
@ ISOURCE=4.5mA
@ ISINK=4.5mA
@ VDD=5V
@ VDD=5V
@ FPOB=Low & PGI > 1.2V
@ FPOB=Low & PGI < 1.2V
3.6
@ PSONB=5V
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V12A-0.4
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CMOS IC
APPLICATION CIRCUIT
5VSB
5V
3513E
3KΩ
100Ω
PGI
1
2
10KΩ
3
300
4
PSONB
16
PGO
GND
VDD
FPOB
VS5
PSONB
IS5
0.01μF
15
14
47Ω
13
IS5
+3.3V
0.01μF
OTP
RI
12VB
IS12B
5
6
7
8
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PGI
OTP
RI
VS33
IS33
VS12B
VS12A
IS12B
IS12A
12
11
10
9
IS33
12VA
IS12A
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CMOS IC
APPLICATION CIRCUIT(Cont.)
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CMOS IC
TYPICAL TIMMING DIAGRAM
1) PGI (UNDER-VOLTAGE):
2) V33, V5, V12A, V12B (UNDER-VOLTAGE) or IS33, IS5, IS12A, IS12B (OVER-CURRENT):
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CMOS IC
TYPICAL TIMMING DIAGRAM
3) V33, V5, V12A, V12B (OVER-VOLTAGE).
PSONB/OTP
tPSOFF
FPOB
t(PSONB ON)
t(PSONB ON)
t(PSONB ON)
tPG1+tG1
tPG+tG1
PGO
tPSOFF
tG2
t(PSONB OFF)
t(PSONB OFF)
V33/V5/V12
4) OTP/FC, PWM, FPOB:
(at VDD=5V, PSONB=0V, V12A, V12B =12V, V5=5V, V33=3.3V)
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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