UTC-IC 3513

UNISONIC TECHNOLOGIES CO., LTD
3513
CMOS IC
PC POWER SUPPLY
SUPERVISOR
„
DESCRIPTION
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 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.
„
* Pb-free plating product number: 3513EL/3513FL
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.
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CMOS IC
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
3513E-D16-T
3513EL-D16-T
3513E-S16-R
3513EL-S16-R
3513E-S16-T
3513EL-S16-T
3513F-D16-T
3513FL-D16-T
3513F-S16-R
3513FL-S16-R
3513F-S16-T
3513FL-S16-T
Package
Packing
DIP-16
SOP-16
SOP-16
DIP-16
SOP-16
SOP-16
Tube
Tape Reel
Tube
Tube
Tape Reel
Tube
3513EL-D16-T
(1)Packing Type
(2)Package Type
(3)Lead Plating
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(1) R: Tape Reel, T: Tube
(2) D16: DIP-16, S16: SOP-16
(3) L: Lead Free Plating, Blank: Pb/Sn
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CMOS IC
PIN ASSIGNMENT
3513E
PGI
1
16
PGO
GND
2
15
VDD
FPOB
3
14
VS5
PSONB
4
13
IS5
OTP
5
12
VS33
RI
6
11
IS33
VS12B
7
10
VS12A
IS12B
8
9
IS12A
3513F
PGI
1
16
PGO
GND
2
15
VDD
FPOB
3
14
VS5
PSONB
4
13
IS5
OTP/FC
5
12
VS33
RI
6
11
IS33
VS12B
7
10
VS12A
PWM
8
9
IS12AB
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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
○
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
„
T(PSONB ON)/
T(PSONB OFF)
38ms
38ms
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
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
-
Figure 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
Figure 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
℃
Storage Temperature
TSTG
-55 ~ +150
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
VS5,VS33
VS12A, VS12B
IS12A, IS12B, IS5, IS33
PSONB, PGI,OTP
FPOB
PGO
FPOB
PGO
Input Voltage
Output Voltage
Output Sink Current
RI Output Current
Supply Voltage Rising Time (VDD)
„
MIN
4
TYP
12
VIN
VOUT
IO(SINK)
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℃ and VDD=5V and V12A=12V)
PARAMETER
Over Voltage Detection
Over Voltage Threshold
SYMBOL
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
PGI and PGO
ILEAK
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)
TEST CONDITIONS
VIH
VIL
IIN
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
2
@ PSONB=0V
3513E/3513F
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TYP
@ ISINK=10mA
@ ISINK=30mA
@ V(FPOB)=5V
V12A, V12B
V5
V33
VI(THD)
VOL
@ ISINK=10mA
ILEAK
@ PGO=5V
VIH
VIL
MIN
V
uA
0.8
V
V
uA
100
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
3.25
2.45
0.8
3.40
2.60
0.9
V
V
V
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CMOS IC
ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
Stop Voltage (FC)
PWM
High Level Output Voltage
VOH
@ ISOURCE=4.5mA
Low Level Output Voltage
VOL
@ ISINK=4.5mA
Output Leakage Current
ILEAK
PWM Frequency
fPWM
SWITCHING CHARACTERISTICS
PSONB ON(PSONB Low to FPOB
T(PSONB ON) @ VDD=5V
Low)
PSONB OFF(PSONB Hi to PGO
T(PSONB OFF) @ VDD=5V
Low)
@ VDD=5V
PGI to PGO Delay Time
TPG
Timing PGO Low to FPO high
TPSOFF @ VDD=5V
TUVP1
@ FPOB=Low & PGI > 1.2V
UVD/OCD turn on delay Time
@ FPOB=Low & PGI < 1.2V
TUVP2
Noise Deglitch Time
tg1
Noise Deglitch Time for Latch
tg2
TOTAL DEVICE
Low Voltage
VDD
Supply Current
IDD
@ PSONB=5V
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MIN
0.55
TYP
0.65
MAX
0.75
UNIT
V
28
35
0.4
5
42
V
V
µA
KHz
32
38
62
ms
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-0.4
3.6
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CMOS IC
APPLICATION CIRCUIT
5VSB
5V
3513E
3KΩ
100Ω
PGI
1
2
10KΩ
300
4
PGO
GND
VDD
FPOB
VS5
PSONB
IS5
3
PSONB
0.01μF
15
14
47Ω
13
IS5
+3.3V
0.01μF
OTP
RI
12VB
IS12B
5
6
OTP
RI
VS33
IS33
7
VS12B
VS12A
IS12B
IS12A
8
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16
PGI
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).
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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