3-Channel Power Supply Supervisor
Copyright ANPEC Electronics Corp.
Rev. P.2 - Aug., 2001
APW1683
www.anpec.com.tw1
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Features General Description
Applications
• PC Switching Power Supply
Ordering Information
Pin Description
PGI
GND
PGO
VCC
VS5
VS33
1
2
3
4
8
7
6
5
FPO
PSON
APW1683
Package Code
J : DIP - 8
Temp. Range
C : 0 to 70 C
Handling Code
TU : Tube
°
Handling Code
Temp. Range
Package Code
• Over Voltage Protection and Lock Out for
! 3.3 V, 5 V, and 12 V
• Under Voltage Protection and Lock Out for
! 3.3 V and 5 V
• Fault Protection Output with Open Drain
Output Stage
• Open Drain Power Good Output Signal for
! Power Good Input, 3.3 V and 5 V
• 300 ms Power Good Delay
• 2.3 ms Control to Turn-Off
Delay
• 38 ms PSON Control Debounce
• 75 ms Delay for 3.3V and 5V Under Voltage
! Protection
• 73 µs Width Noise Deglitches
• Wide Power Supply Voltage Range
from 4 V to 15 V
• Intelligent Under Voltage Protection to Pre
vent Instantaneously AC Power Black Out
The APW1683 is designed to minimize the external
components of personal-computer switching power
supply systems. It provides protection circuits, power
good indicator, fault protection output FPO and
PSON control.
OVP (over voltage protection) monitors 3.3V, 5 V,
and 12 V (12 V OV detects via V CC terminal). UVP
(under voltage protection) monitors 3.3V and 5V.
When an OV or UV condition is detected, the PGO
(power good output) is set to low and FPOis latched
to high. PSON from low to high resets the protection
latch. There is a 2.3ms turn-off delay fromPSON
toFPO. There is no delay during turn on.
Power good feature monitors PGI, 3.3V and 5V un-
der voltages, and issues a power good signal when
they are ready.
PSON FPO
Copyright ANPEC Electronics Corp.
Rev. P.2 - Aug., 2001
APW1683
www.anpec.com.tw2
Block Diagram
Absolute Maximum Ratings
Symbol Parameter Rating Unit
VCC Supply Voltage 16 V
VS5, VS 33 5V and 3.3V Input Voltage(N ote 1) 8 V
FPO Fault Protection Output Voltage 16 V
PSO N O N/OF F C ontrol Input Voltage(N ote 1) 8 V
PG I Power G ood Input Voltage(Note 1) 8 V
PG O Power G ood O utput Voltage(N ote 1) 8 V
TAAm bient Tem perature Ra nge 0 to 70 °C
TSTG S torage Tem perature Range -65 to +150 °C
TLLead Temperature (Soldering , 10 second) 260 °C
Note 1: F or a short p eriod (< 1 sec) over voltage test, these pins can withstan d up to 12V.
-
+
-
+
-
+
Q
73
µ
s
Debounce
VCC
12 OV Bandgap
Reference
VREF
1.192V
VDD=3.5V
38ms
Debounce
73
µ
s
Debounce
300ms
EN Delay
Counter
-
+
VS5
VS33
PGI
R
5 OV
VREF
VREF 3.3 OV
5 UV
3.3 UV
RL=100k
Ω
R
Reset
Dominent
Latch
R
Reset
VREF
VREF
POR
Reset
VREF
RL=100k
Ω
RL=100k
Ω
75ms
Delay EN
Counter
73
µ
s
Debounce
-
+
R
R
RT
T
FPO
VDD
PSON
2.3 ms
Delay
EN
PGO
GND
150
µ
s Debounce
and 4.8ms delay
PGI1
1.15V
0.95V PGI2
-
+
-
+
R
S
Vreg
Copyright ANPEC Electronics Corp.
Rev. P.2 - Aug., 2001
APW1683
www.anpec.com.tw3
Pin Function Description
Terminal
Name
NO. I/O Terminal Function Description
VS33 5 I 3.3 V over/under voltage protection input pin
VS5 6 I 5 V over/under voltage protectio n input pin
GND 2 Ground
FPO 3 O Inverted fault protection output, open drain output stage
PGI 1 I Power good input signal pin
PGO 8 O Power good output signal pin, open drain output stage
PSON 4 I O N /OFF c ontr ol inp ut pin
VCC 7 I Supply voltag e/12 V over voltage protection input pin
Thermal Characteristics
Symbol Parameter Value Unit
RTHJA Thermal Resistance from Junction to Am bient in Free Air
DIP-8 129 K/W
Function Table
PGI PSON UV Condition
( 3.3 V or 5V ) OV C ondition
( 3.3V, 5V, or 12V ) FPO PGO
<0.95V L no no L L
<0.95V L no yes H L
<0.95V L yes no L L
0.95V<PGI<1.15V L no no L L
0.95V<PGI<1.15V L no yes H L
0.95V<PGI<1.15V L yes no H L
PGI>1.15V L no no L H
PGI>1.15V L no yes H L
PGI>1.15V L yes no H L
XHX XHL
X = don’t care
= L means: fault is NOT latched
= H means: fault is latched
PGO = L means: fault
PGO = H means: NO fault
FPO
FPO
Copyright ANPEC Electronics Corp.
Rev. P.2 - Aug., 2001
APW1683
www.anpec.com.tw4
Electrical Characteristics
APW1683Symbol Parameter Test Conditions Min. Typ. Max. Unit
Over Vo ltag e Prot ectio n VS33 3.7 3.9 4.1
VS5 5.7 6.1 6.5
Over Voltage Threshold
VCC 13.2 13.8 14.4
V
ILKG Leakage Current (FPO )V(
FPO )=5V 5 µA
ISINK= 10mA 0.3VOL Low Level Output Voltage (FPO )ISINK= 30mA 0.7 V
VOH FPO Pin Pull High Voltage 15 V
PGI and PGO PGI1 1.1 1.15 1.2Input Threshold V oltage (PGI) PGI2 0.9 0.95 1.0 V
VS33 2.0 2.2 2.4Under Volta ge thres ho ld VS5 3.3 3.5 3.7 V
Under Volta ge Pr ot ection Delay Time
(3.3V and 5V) 49 75 114 ms
ILKG Leakage Current (PGO) PGO=5V 5 µA
VOL Low Level Output Voltage (PGO) Sink Current = 10mA 0.4 V
VOH PGO Pin Pull High Voltage 7 V
PSON Control
Input Pull-Up Current PSON= 0V 150 µA
High-Level Input Voltage 2.4 V
Low-Level Input Voltage 1.2 V
Total Device
VCC Supply Vo ltage 4 15 V
ICC Supply Current PSON=5V 1mA
Switching Characteristics
td1 Delay time (PGI to PGO) 200 300 450 ms
tbDebounce Time (PSON)24 38 57 ms
Tdg Noise Deglitch Time 47 73 110 µs
td2 Delay Time (PSONtoFPO )tb+1.1 tb+2.3 tb+4 ms
Copyright ANPEC Electronics Corp.
Rev. P.2 - Aug., 2001
APW1683
www.anpec.com.tw5
Typical Application Circuit
5
6
7
8
1
2
3
4
PGI
GND
FPO
VCC
VS33
VS5
PGO
PSON
PSON
5 V
SB
PGI
PGO
12 V
5 V
SB
5 V
3.3 V
0.5V
Drop
APW1683
Anpec Electronics Corp.
Head Office :
5F, No. 2 Li-Hsin Road, SBIP,
Hsin-Chu, Taiwan, R.O.C.
Tel : 886-3-5642000
Fax : 886-3-5642050
Taipei Branch :
7F, No. 137, Lane 235, Pac Chiao Rd.,
Hsin Tien City, Taipei Hsien, Taiwan, R. O. C.
Tel : 886-2-89191368
Fax : 886-2-89191369
Custormer Service
Copyright ANPEC Electronics Corp.
Rev. P.2 - Aug., 2001
APW1683
www.anpec.com.tw6
Timing Chart
VDD
Reset
R
S
Q
PGI
3.3V
5V
12V
PGO
t
b
Protection Occur
t
d1
t
d2
t
b
PSON
OFF PSON
ON
t
d1
AC
OFF
FPO
PSON
t
d1
PG Off Delay
Copyright ANPEC Electronics Corp.
Rev. P.2 - Aug., 2001
APW1683
www.anpec.com.tw7
1
D
E1
A2
A1
A
L
e2
e 3 e 1
E
E3
1
Packaging Information
PDIP-8pin (Reference JEDEC Registration MS-001)
Millimeters Inches
Dim Min. Max. Min. Max.
A5.33 0.210
A1 0.38 0.015
A2 2.92 3.68 0.115 0.145
D9.02 10.16 0.355 0.400
e1 2.54BSC 0.100BSC
e2 0.36 0.56 0.014 0.022
e3 1.14 1.78 0.045 0.070
E7.62 BSC
8.26 0.300 BSC
0.325
E1 6.10 7.11 0.240 0.280
E3 10.92 0.430
L2.92 3.81 0.115 0.150
φ 10
°15°0°15°
