Advanced Dual Power Controller Regulated Voltage provided Ge
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APW7036
Advanced Dual Power Controller
Regulated Voltage provided
General Description
APW7036 provides complete power control protection DC-DC converter optimized Card applications. integrates controllers well monitoring protection function into single package. APW7036 provides simple single feedback loop voltage mode control with fast transient response. output voltage SYNC converter precisely regulated VREF (1.25V 1.5V 2.05V) with maximum tolerence ±1.0% over temperature. APW7036 provides excess output current on-board DC/DC converter. monitors output voltage single Power Good signal issued when SYNC output within ±10% VREF setting ASYNC output levels above under-voltage levels. Additional built-in over-voltage protection SYNC output uses lower MOSFET prevent output voltage above 115% VREF setting. controller's over-current function monitor output current sensing voltage drop across upper MOSFET's RDS(ON) eliminating need current sensing resistor
SYNC Switching Power Internal Reference
Voltage (1.25V 1.5V 1.8V 2.05V)
ASYNC Switching Power Internal Reference
Voltage (1.5V)
Simple Single-Loop Control Design
Voltage-Mode Control
Excellent Output Voltage Regulation
SYNC Output Over Temperature ASYNC Output Over Temperature Fast Transient Response
High-Bandwidth Error Amplifier Full 100% Duty Ratio Power-Good Output Voltage Monitor Over-Voltage Over-Current Fault Monitors Small Converter Size Constant Frequency Operation(200kHz) Programmable Oscillator from 50kHz 800kHz Reduce External Component Count 20Pin SOIC Package
Description
UGATE GATE PHASE1 LGATE PGND OCSET1 VSEN COMP VAUX
Applications
High Power 3.3V DC-DC Regulator Card Power Regulation
PHASE2 PGOOD OCSET2 FAULT/RT
ANPEC reserves right make changes improve reliability manufacturability without notice, advise customers obtain latest version relevant information verify before placing orders. Copyright ANPEC Electronics Corp. Rev. May, 2001 www.anpec.com.tw
APW7036
Ordering Information
7036
Lead Free Code Handling Code Range Package Code Voltage Code Voltage Code 1.25V 1.50V 1.80V 2.05V Package Code P-20 Range Handling Code Tube Tape Reel Lead Free Code Lead Free Device Blank riginal Device
Block Diagram
VSEN OCSET1
110%
OCSET2
200uA
PGOOD
GATE PHASE2
DRIVE2
115% 200uA
VAUX
INHIBIT GATE CONTROL PWM2 FAULT SOFT-START FAULT LOGIC INHIBIT ERROR AMP2 ERROR AMP1 GATE CONTROL PWM1 DRIVE1
UGATE PHASE1
1.5V
LGATE
28uA 1.05V
OSCILLATOR
LOWER DRIVE
PGND
4.5V
FAULT
COMP
Absolute Maximum Ratings
Symbol TSTG Parameter Supply Voltage Input Output Voltage Operating Ambient Temperature Range Junction Temperature Range Storage Temperature Range Soldering Temperature Rating -0.3 +0.3 +150 seconds Unit
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Copyright ANPEC Electronics Corp. Rev. May, 2001
APW7036
Thermal Characteristics
Symbol Parameter Thermal Resistance Free SOIC SOIC (with 3in2 Copper) Value Unit °C/W
Electrical Characteristics
(Recommended operating conditions Unless otherwise noted) Refer Block Simplified Power System Diagrams Typical Application Schematic APW7036 Unit Symbol Parameter Test Conditions Min. Typ. Max. Supply Current
Nominal Supply Current UGATE LGATE GATE open Vocset=4.5V Vocset=4.5V Vocset=4.5V Vocset=4.5V
Power-on Reset Rising Threshold Falling Threshold Rising VAUX Threshold VAUX Threshold Hysteresis Rising VOCSET Threshold Oscillator FOCS Free Running Frequency Ramp Amplitude 10.4 1.26 1.25 1.50 1.80 2.05 -1.0 -3.0 +3.0 +1.0 VP-P
VOSC Switching Controller Reference Voltage VREF Reference Voltage APW7036-12 APW7036-15 APW7036-18 APW7036-20 Reference Voltage accuracy VFB2 Reference Voltage Reference Voltage accuracy Synchronous Controller Error Amplifier Gain GBWP Gain-Bandwidth Product Slew Rate COMP=10pF Controllers Gate Drivers IUGATE UGATE1,GATE Source RUGATE UGATE1,GATE Sink VCC=12V, VUGATE 1,GATE=6V VUGATE1,GATE
Open Open
V/µs
Copyright ANPEC Electronics Corp. Rev. May, 2001
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APW7036
Electrical Characteristics Cont.
Symbol Parameter Test Conditions APW7036 Min. Typ. Max. Unit
Controllers Gate Drivers ILGATE LGATE Source RLGATE LGATE Sink Protection VSEN Over-Voltage (VSEN/VREF) IOVP FAULT Souring Current IOCSET OCSET1,2 Current Source Soft Start Current Power Good VSEN Upper Threshold (VSEN/VREF) VSEN Under Voltage (VSEN/VREF) VSEN Hysteresis (VSEN/VREF) VPGOOD PGOOD Voltage
VCC=12V, VLGATE=1V VLGATE= VSEN Rising VFAULT/RT=2.0V VOCSET= 4.5VDC
VSEN1 Rising VSEN1 Rising Upper /Lower Threshold IPGOOD= -4mA
Functional Description
UGATE (Pin Connect UGATE synchronous converter's upper MOSFET gate. This provides gate drive upper MOSFET. (Pin Provide bias supply this pin. This also provides gate bias charge MOSFETs controlled voltage this monitored Power-On Reset purposes. GATE (Pin Connection. Connect GATE standard BUCK converter's MOSFET gate. This provides gate drive MOSFET. PHASE2 (Pin Connect PHASE2 standard BUCK OCSET1 (Pin Connect resistor (ROCSET from this drain converter's MOSFET. ROCSET internal 200µA current source (IOCSET MOSFET's on-resistance(rDS(ON)) converter over-current converter's MOSFET source. This used monitor voltage drop across MOSFET over-current protection. PGOOD (Pin PGOOD open collector output used indicate status output voltages. This pulled when synchronous regulator output within reference voltage other output below under-voltage thresholds. (Pin
Copyright ANPEC Electronics Corp. Rev. May, 2001
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APW7036
Functional Description Cont.
(OC) trip point according following equation: IOCSET ROCSET
PEAK
rDS(ON)
synchronous regulator error amplifier. inverting input error amplifier. Similarly COMP error amplifier output. These pins used compensate voltage-mode control feedback loop synchronous converter. VSEN (Pin This connected synchronous converters's output voltage. PGOOD comparator circuits this signal report output voltage status over-voltage protection. PGND (Pin This power ground connection. synchronous converter's lower MOSFET source this pin. LGATE (Pin19) Connect LGATE synchronous converter's lower MOSFET gate. This provides gate drive lower MOSFET. PHASE1 (Pin Connect PHASE1 synchronous converter's upper MOSFET source. This used monitor voltage drop across upper MOSFET over-current protection.
over-current trip cycles soft-start function. (Pin This provides feedback non-synchronous switching regulator. resistor driver connected from this regulator output that sets output voltage. value resistor connected from regulator output must less than (Pin Connect capacitor from this ground. This capacitor along with internal 28µA current source sets soft-start interval converter. FAULT (Pin This provides oscillator switching frequency adjustment. placing resistor from this nominal 200kHz switching frequency increased. Conversely connecting pull-up resistor from this reduces switching frequency. Nominally voltage this 1.26V. event over-voltage over-current condition this internally pulled VCC. VAUX (Pin +3.3V input voltage this monitored power-on reset (POR) purposes. (Pin Signal ground voltage levels measured with respect this pin. COMP (Pins COMP available external pins
Copyright ANPEC Electronics Corp. Rev. May, 2001
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APW7036
Simplified Power System Diagram
OUT2 Standard Buck Controller Synchronous Controller OUT1
APW7036
Typical Characteristics
+12V
220pF
220pF
UGATE GATE PHASE2 PGOOD OCSET2 FAULT PHASE1 LGATE PGND OCSET1 VSEN COMP VAUX
5.1R
1.2K APM7313
330uF
330uF APM9410 VOUT2 (3.3V) 1.2K 5.1R
5.1R
7.8uH APM7313 330uF 67RF 330uF
VOUT1 (2.5V)
7.8uH 120RF 330uF FM5800 0.1uF
10pF
APW7036-15
+3.3V 2700pF 150K
100RF
100RF
Copyright ANPEC Electronics Corp. Rev. May, 2001
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APW7036
Typical Characteristics
10000
1000
+12V pull pull down
Switching Frequency
1.0% 0.8% 0.6% 0.4%
1.0% 0.8%
VFB2 Reference Voltage deviation
0.6% 0.4% 0.2% 0.0% -0.2% -0.4% -0.6% -0.8% -1.0%
VREF Voltage deviation
0.2% 0.0% -0.2% -0.4% -0.6% -0.8% -1.0%
Junction Temperature (oC)
Junction Temperature (oC)
VREF(TJ VREF(25 VREF (25oC)
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Note Referance Voltage(VREF Deviation
100%
Copyright ANPEC Electronics Corp. Rev. May, 2001
APW7036
Package Information
300mil Reference JEDEC Registration MS-013)
h*45
GAUGE PLANE
Millimeters Min. 2.35 0.10 0.33 0.23 Max. 2.65 0.30 0.51 0.32
Variations Variations SO-20 SO-24 SO-28 Min. 12.60 15.20 17.70 Max. 13.0 15.60 18.11
Inches Min. 0.093 0.004 0.013 Max. 0.1043 0.0120 0.020
Variations Variations SO-20 SO-24 SO-28 Min. 0.496 0.599 0.697 Max. 0.512 0.614 0.713
0.0091 0.0125 variations 0.2914 0.2992 0.050BSC 0.394 0.010 0.016 0.419 0.029 0.050
variations 7.40 7.60 1.27BSC 10.65 0.25 0.40 0.75 1.27
Copyright ANPEC Electronics Corp. Rev. May, 2001
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APW7036
Physical Specifications
Terminal Material Lead Solderability Packaging Solder-Plated Copper (Solder Material 90/10 63/37 SnPb) Meets Specification RSI86-91, ANSI/J-STD-002 Category 1000 devices reel
Reflow Condition
(IR/Convection Reflow)
ritical
p-up
p-down Preheat
Peak
Classificatin Reflow Profiles
Profile Feature
Pb-Free Assembly Large Body Small Body 3°C/second max. 150°C 200°C 60-180 seconds 3°C/second 217°C 60-150 seconds +0/-5°C +0/-5°C 10-30 seconds 20-40 seconds
Sn-Pb Eutectic Assembly Large Body Small Body
Average ramp-up rate 3°C/second max. Preheat Temperature (Tsmin) 100°C Temperature (Tsmax) 150°C Time (min max)(ts) 60-120 seconds Tsmax Ramp-up Rate Tsmax Temperature(TL) 183°C Time (tL) 60-150 seconds Peak Temperature(Tp) +0/-5°C +0/-5°C Time within actual Peak 10-30 seconds 10-30 seconds Temperature(tp) Ramp-down Rate 6°C/second max. minutes max. Time 25°C Peak Temperature
Copyright ANPEC Electronics Corp. Rev. May, 2001
6°C/second max. minutes max.
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Note: temperatures refer topside package. Measured body surface.
APW7036
Reliability test program
Test item SOLDERABILITY HOLT Latch-Up Method MIL-STD-883D-2003 MIL-STD-883D-1005.7 JESD-22-B, A102 MIL-STD-883D-1011.9 MIL-STD-883D-3015.7 JESD Description 245°C 1000 Bias Hrs, 121°C -65°C 150°C, Cycles VHBM 2KV, 200V 10ms 100mA
Tape Reel Dimensions
Application
SOP-20 Application SOP-20
330±1 11.5
1.5+0.1
12.75 ±0.15 1.5+0.25
24.4 +0.2
1.75±
2.5± 0.35±0.013
(mm)
Copyright ANPEC Electronics Corp. Rev. May, 2001 www.anpec.com.tw
APW7036
Cover Tape Dimensions
Application SOP- Carrier Width Cover Tape Width 21.3 Devices Reel 1000
Customer Service
Anpec Electronics Corp. Head Office Li-Hsin Road, SBIP, Hsin-Chu, Taiwan, R.O.C. 886-3-5642000 886-3-5642050 Taipei Branch 137, Lane 235, Chiao Rd., Hsin Tien City, Taipei Hsien, Taiwan, 886-2-89191368 886-2-89191369
Copyright ANPEC Electronics Corp. Rev. May, 2001
www.anpec.com.tw
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