APW703615KC-TUL [ANPEC]
Advanced Dual PWM Power Controller; 先进的双PWM电源控制器
| 型号： | APW703615KC-TUL |
| 厂家： | 
ANPEC ELECTRONICS COROPRATION |
| 描述： | Advanced Dual PWM Power Controller |
| 文件： | 总11页 (文件大小：125K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
APW7036
Advanced Dual PWM Power Controller
Features
General Description
The APW7036 provides complete power control and
protection for two DC-DC converter optimized in VGA
Card applications. It integrates two PWM controllers ,
as well as the monitoring and protection function into
a single package.
The APW7036 provides simple , single feedback loop
, voltage mode control with fast transient response.
The output voltage of the SYNC converter can be pre-
cisely regulated to as low as VREF (1.25V , 1.5V , 1.
8V and 2.05V) , with a maximum tolerence of ±1.0%
over temperature.
The APW7036 can provides in excess of 14A of out-
put current for an on-board DC/DC converter. It can
monitors all the output voltage , and a single Power
Good signal is issued when the SYNC output is within
±10% of the VREF setting and the ASYNC output lev-
els is above under-voltage levels. Additional built-in
over-voltage protection for the SYNC output uses the
lower MOSFET to prevent output voltage above 115%
of the VREF setting. The PWM controller’s over-cur-
rent function monitor the output current by sensing
•
2 Regulated Voltage are provided
− SYNC Switching Power Internal Reference
Voltage (1.25V , 1.5V , 1.8V and 2.05V)
− ASYNC Switching Power Internal Reference
Voltage (1.5V)
•
•
Simple Single-Loop Control Design
− Voltage-Mode PWM Control
Excellent Output Voltage Regulation
− SYNC Output : ±1% Over Temperature
− ASYNC Output : ±3% Over Temperature
Fast Transient Response
•
− High-Bandwidth Error Amplifier
− Full 0% to 100% Duty Ratio
•
•
•
Power-Good Output Voltage Monitor
Over-Voltage and Over-Current Fault Monitors
Small Converter Size
the voltage drop across the upper MOSFET’s RDS(ON)
eliminating the need for a current sensing resistor .
,
− Constant Frequency Operation(200kHz)
− Programmable Oscillator from 50kHz to 800kHz
− Reduce External Component Count
20Pin , SOIC Package
Pin Description
UGATE
VCC
20
19
18
17
16
15
14
13
12
11
PHASE1
LGATE
PGND
OCSET1
VSEN
FB1
1
2
•
GATE
3
4
PHASE2
PGOOD
OCSET2
FB2
Applications
5
6
7
CO MP
NC
•
•
High Power 5V to 2.5 or 3.3V DC-DC Regulator
VGA Card Power Regulation
SS
8
GND
FAULT/RT
NC
9
10
VAUX
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.
Copyright ANPEC Electronics Corp.
Rev. A.1 - May, 2001
1
www.anpec.com.tw
APW7036
Ordering Information
Voltage Code
12 : 1.25V
APW 7036
15 : 1.50V
18 : 1.80V
20 : 2.05V
Lead Free Code
Package Code
K : SOP-20
Temp. Range
Handling Code
Temp. Range
Package Code
Voltage Code
°
C : 0 to 70
C
Handling Code
TU : Tube
TR : Tape & Reel
Lead Free Code
L : Lead Free Device
Blank : Original Device
Block Diagram
VSEN
OCSET1
VCC
110%
90%
PGOOD
VAUX
OCSET2
200uA
VCC
GATE
DRIVE2
POR
VCC
OC2
115%
PHASE2
200uA
INHIBIT
PWM2
GATE
CONTROL
DRIVE1
0V
SOFT-START
AND FAULT
LOGIC
FAULT
UGATE
OC1
PHASE1
INHIBIT
FB2
GATE
CONTROL
ERROR
AMP2
1.5V
PWM1
ERROR
AMP1
VCC
LGATE
PGND
VCC
LOWER
DRIVE
28uA
REF
V
OSCILLATOR
GND
1.05V
4.5V
FAULT
SS
FB1
COMP
Absolute Maximum Ratings
Symbol
VCC
VI , VO
TA
Parameter
Rating
Unit
Supply Voltage
Input , Output or I/O Voltage
15
V
V
GND -0.3 V to V12 +0.3
0 to 70
Operating Ambient Temperature Range
Junction Temperature Range
Storage Temperature Range
Soldering Temperature
C
°
TJ
0 to 125
C
°
TSTG
TS
-65 to +150
C
°
300 ,10 seconds
C
°
Copyright ANPEC Electronics Corp.
Rev. A.1 - May, 2001
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APW7036
Thermal Characteristics
Symbol
Parameter
Value
Unit
C/W
Thermal Resistance in Free Air
SOIC
R θ
JA
75
65
°
SOIC (with 3in2 of Copper)
Electrical Characteristics
(Recommended operating conditions , Unless otherwise noted) Refer to Block and Simplified Power System
Diagrams , and Typical Application Schematic
APW7036
Typ.
Unit
Symbol
Parameter
Test Conditions
Min.
Max.
VCC Supply Current
ICC
Nominal Supply Current
UGATE , LGATE , GATE ,
open
9
mA
Power-on Reset
Rising VCC Threshold
Vocset=4.5V
Vocset=4.5V
Vocset=4.5V
Vocset=4.5V
10.4
V
V
V
V
V
Falling VCC Threshold
Rising VAUX Threshold
VAUX Threshold Hysteresis
Rising VOCSET Threshold
8.2
2.5
0.5
1.26
Oscillator
FOCS Free Running Frequency
Ramp Amplitude
RT= Open
RT= Open
185
200
1.9
215
kHz
VP-P
V
∆
OSC
Switching Controller Reference Voltage
VREF Reference Voltage APW7036-12
APW7036-15
1.25
1.50
1.80
2.05
V
APW7036-18
APW7036-20
Reference Voltage accuracy
-1.0
-3.0
+1.0
+3.0
%
V
VFB2
Reference Voltage
1.5
Reference Voltage accuracy
%
Synchronous PWM Controller Error Amplifier
DC Gain
88
15
6
dB
GBWP Gain-Bandwidth Product
MHz
SR
Slew Rate
COMP=10pF
V/ s
µ
PWM Controllers Gate Drivers
IUGATE UGATE1,GATE Source
RUGATE UGATE1,GATE Sink
VCC=12V, VUGATE 1,GATE=6V
VUGATE1,GATE =1V
1
A
3.5
Ω
Copyright ANPEC Electronics Corp.
Rev. A.1 - May, 2001
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APW7036
Electrical Characteristics Cont.
APW7036
Typ.
Unit
Symbol
Parameter
Test Conditions
Min.
Max.
PWM Controllers Gate Drivers
ILGATE LGATE Source
RLGATE LGATE Sink
Protection
VCC=12V, VLGATE=1V
VLGATE= 1V
1
A
3
Ω
VSEN Over-Voltage (VSEN/VREF) VSEN Rising
115
8.5
200
28
120
230
%
IOVP
IOCSET OCSET1,2 Current Source
ISS Soft Start Current
Power Good
VSEN Upper Threshold
(VSEN/VREF
FAULT Souring Current
VFAULT/RT=2.0V
VOCSET= 4.5VDC
mA
170
A
A
µ
µ
VSEN1 Rising
110
94
2
%
)
VSEN Under Voltage (VSEN/VREF) VSEN1 Rising
%
%
V
VSEN Hysteresis
Upper /Lower Threshold
IPGOOD= -4mA
(VSEN/VREF
)
VPGOOD PGOOD Voltage Low
0.8
Functional Pin Description
UGATE (Pin 1)
converter’s MOSFET source. This pin is used to moni-
tor the voltage drop across the MOSFET for over-cur-
Connect UGATE pin to the synchronous PWM rent protection.
converter’s upper MOSFET gate. This pin provides
the gate drive for the upper MOSFET.
PGOOD (Pin 5)
VCC (Pin 2)
PGOOD is an open collector output used to indicate
the status of the output voltages. This pin is pulled
Provide a 12V bias supply for the IC to this pin. This low when the synchronous regulator output is not within
pin also provides the gate bias charge for all the 10% of the reference voltage or the other output is
MOSFETs controlled by the IC. The voltage at this below under-voltage thresholds.
pin is monitored for Power-On Reset purposes.
NC (Pin 10, 13)
GATE (Pin 3)
No Connection.
Connect GATE pin to the standard BUCK PWM
converter’s MOSFET gate. This pin provides the gate OCSET1 , 2 (Pin 17 , 6)
drive for the MOSFET.
Connect a resistor (ROCSET ) from this pin to the drain
PHASE2 (Pin 4)
of the PWM converter’s MOSFET. ROCSET , an internal
200µA current source (IOCSET ) , and the MOSFET’s
Connect the PHASE2 pin to the standard BUCK PWM on-resistance(rDS(ON)) set the converter over-current
Copyright ANPEC Electronics Corp.
Rev. A.1 - May, 2001
4
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APW7036
Functional Pin Description Cont.
(OC) trip point according to the following equation:
IOCSET * ROCSET
synchronous PWM regulator error amplifier. The FB1
pin is the inverting input of the error amplifier. Simi-
larly , the COMP pin is the error amplifier output. These
pins are used to compensate the voltage-mode con-
trol feedback loop of the synchronous PWM converter.
I
=
rDS(ON)
PEAK
An over-current trip cycles the soft-start function.
VSEN (Pin 16)
FB2 (Pin 7)
This pin is connected to the synchronous PWM
converters’s output voltage. The PGOOD and OVP
This pin provides the feedback for the non-synchro- comparator circuits use this signal to report output
nous switching regulator. A resistor driver is con- voltage status and for over-voltage protection.
nected from this pin to regulator output and GND that
sets the output voltage. The value of the resistor con- PGND (Pin 18)
nected from regulator output to FB2 must be less than
150Ω .
This is the power ground connection. Tie the syn-
chronous PWM converter’s lower MOSFET source to
this pin.
SS (Pin 8)
Connect a capacitor from this pin to ground. This LGATE (Pin19)
capacitor , along with an internal 28µA current source
, sets the soft-start interval of the converter.
Connect LGATE to the synchronous PWM converter’s
lower MOSFET gate. This pin provides the gate drive
for the lower MOSFET.
FAULT / RT (Pin 9)
This pin provides oscillator switching frequency PHASE1 (Pin 20)
adjustment. By placing a resistor (RT ) from this pin
to GND , the nominal 200kHz switching frequency is Connect the PHASE1 pin to the synchronous PWM
increased. Conversely , connecting a pull-up resistor converter’s upper MOSFET source. This pin is used
(RT ) from this pin to VCC reduces the switching to monitor the voltage drop across the upper MOSFET
frequency.
for over-current protection.
Nominally , the voltage at this pin is 1.26V. In the
event of an over-voltage or over-current condition , this
pin is internally pulled to VCC.
VAUX (Pin 11)
The +3.3V input voltage at this pin is monitored for
power-on reset (POR) purposes.
GND (Pin 12)
Signal ground for the IC. All voltage levels are mea-
sured with respect to this pin.
COMP and FB1 (Pins 14 , and 15)
COMP and FB1 are the available external pins of the
Copyright ANPEC Electronics Corp.
Rev. A.1 - May, 2001
5
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APW7036
Simplified Power System Diagram
+5 VIN
Q1
Q2
Standard
Buck
P W M
Synchronous
P W M
Controller
Q3
VOUT1
VOUT2
Controller
APW7036
Typical Characteristics
R1
10R
C2
220pF
L1
1uH
+12V
+5V
R2
1.2K
C1
1uF
R3
5.1R
C3
330uF
C8
220pF
Q1A
APM7313
+5V
VOUT1
(2.5V)
1
20
19
18
17
16
15
14
13
12
11
UGATE
PHASE1
LGATE
PGND
OCSET1
VSEN
FB1
L2
7.8uH
R12
1.2K
2
VCC
C10
330uF
R4
5.1R
3
GATE
Q1B
APM7313
C4
330uF
R5
67RF
C5
330uF
4
PHASE2
Q2
APM9410
R13
5.1R
5
PGOOD
6
OCSET2
VOUT2
(3.3V)
7
FB2
COMP
NC
L3
8
SS
7.8uH
9
FAULT
GND
C6
10pF
R7
3K
C11
330uF
D1
FM5800
10
NC
VAUX
C9
0.1uF
R9
120RF
APW7036-15
R11
750
C2
2700pF
R8
150K
+5V
R6
100RF
LP1
LED
+3.3V
R10
100RF
Copyright ANPEC Electronics Corp.
Rev. A.1 - May, 2001
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APW7036
Typical Characteristics
10000
1000
to +12V
100
RT pull up
RT pull down to GND
10
1
50
150
250
350
450
550
650
750
Switching Frequency ( kHz )
1.0%
0.8%
0.6%
0.4%
0.2%
0.0%
-0.2%
-0.4%
-0.6%
-0.8%
-1.0%
1.0%
0.8%
0.6%
0.4%
0.2%
0.0%
-0.2%
-0.4%
-0.6%
-0.8%
-1.0%
0
10 20 30 40 50 60 70 80 90 100
0
10 20 30 40 50 60 70 80 90 100
Junction Temperature (oC)
Junction Temperature (oC)
V
REF(TJ) - VREF(25oC)
x 100%
Note : The Referance Voltage(VREF) Deviation is
V
REF(25oC)
Copyright ANPEC Electronics Corp.
Rev. A.1 - May, 2001
7
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APW7036
Package Information
SO – 300mil ( Reference JEDEC Registration MS-013)
D
h*45
C
GAUGE
PLANE
H
E
1
2
3
A
L
1
A1
B
e
Millimeters
Variations
Inches
Variations
Dim
Dim
Min.
2.35
0.10
0.33
0.23
Max. Variations Min. Max.
Min.
Max. Variations Min.
Max.
0.496 0.512
0.599 0.614
0.697 0.713
2.65
0.30
0.51
0.32
12.60 13.0
15.20 15.60
17.70 18.11
A
A1
B
SO-20
SO-24
SO-28
A
A1
B
0.093 0.1043
0.004 0.0120
0.013 0.020
0.0091 0.0125
See variations
0.2914 0.2992
0.050BSC
SO-20
SO-24
SO-28
C
D
E
C
D
E
See variations
7.40
7.60
e
1.27BSC
e
10
10.65
0.75
1.27
H
h
H
h
0.394 0.419
0.010 0.029
0.016 0.050
0.25
0.40
L
L
1
0
8
1
0
8
°
φ
°
°
φ
°
Copyright ANPEC Electronics Corp.
Rev. A.1 - May, 2001
8
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APW7036
Physical Specifications
Terminal Material
Lead Solderability
Packaging
Solder-Plated Copper (Solder Material : 90/10 or 63/37 SnPb)
Meets EIA Specification RSI86-91, ANSI/J-STD-002 Category 3.
1000 devices per reel
Reflow Condition (IR/Convection or VPR Reflow)
tp
TP
Critical Zone
TL to TP
Ramp-up
TL
tL
Tsmax
Tsmin
Ramp-down
ts
Preheat
25
°
t 25 C to Peak
Tim e
Classificatin Reflow Profiles
Sn-Pb Eutectic Assembly
Large Body Small Body
Pb-Free Assembly
Profile Feature
Large Body
Small Body
Average ramp-up rate
(TL to TP)
3°C/second max.
3°C/second max.
Preheat
- Temperature Min (Tsmin)
- Temperature Mix (Tsmax)
- Time (min to max)(ts)
100°C
150°C
60-120 seconds
150°C
200°C
60-180 seconds
Tsmax to TL
3°C/second max
- Ramp-up Rate
Tsmax to TL
- Temperature(TL)
- Time (tL)
183°C
60-150 seconds
217°C
60-150 seconds
Peak Temperature(Tp)
225 +0/-5°C
240 +0/-5°C
245 +0/-5°C
250 +0/-5°C
Time within 5°C of actual Peak
Temperature(tp)
10-30 seconds
10-30 seconds
10-30 seconds 20-40 seconds
Ramp-down Rate
Time 25°C to Peak Temperature
6°C/second max.
6 minutes max.
6°C/second max.
8 minutes max.
Note: All temperatures refer to topside of the package. Measured on the body surface.
Copyright ANPEC Electronics Corp.
Rev. A.1 - May, 2001
9
www.anpec.com.tw
APW7036
Reliability test program
Test item
Method
Description
245 C , 5 SEC
SOLDERABILITY
HOLT
MIL-STD-883D-2003
MIL-STD-883D-1005.7
JESD-22-B, A102
MIL-STD-883D-1011.9
MIL-STD-883D-3015.7
JESD 78
°
1000 Hrs Bias @ 125 C
°
PCT
168 Hrs, 100 % RH , 121 C
°
TST
-65 C ~ 150 C, 200 Cycles
°
°
ESD
VHBM > 2KV, VMM > 200V
10ms , Itr > 100mA
Latch-Up
Tape & Reel Dimensions
t
D
P
Po
E
P1
Bo
F
W
Ko
Ao
D1
T2
J
C
A
B
T1
A
B
C
J
T1
2 + 0.6 24.4 +0.2
Po P1
T2
W
P
E
Application
SOP-20
12.75
0.15
24 + 0.3
- 0.1
330 1
62 1.5
2 0.2
±
12 0.1 1.75 0.1
±
±
±
±
±
F
D
D1
Ao
Bo
Ko
t
Application
SOP-20
1.5+0.1 1.5+0.25
11.5 0.1
4.0 0.1 2.0 0.1 8.2 0.1 13 0.1
2.5 0.1 0.35 0.013
± ±
±
±
±
±
±
(mm)
Copyright ANPEC Electronics Corp.
Rev. A.1 - May, 2001
10
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APW7036
Cover Tape Dimensions
Application
SOP- 20
Carrier Width
Cover Tape Width
Devices Per Reel
24
21.3
1000
Customer Service
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
Copyright ANPEC Electronics Corp.
Rev. A.1 - May, 2001
11
www.anpec.com.tw
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