GPA3V0-24H GALAXY | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 6
Technical content
The Aries Series are very high efficiency non-isolated DC/DC Converters with: Horizontal or Vertical Mount Very High Efficiency 2.5V or 3.3V Output @ up to 24A Fixed Frequency Operation Trimmable Over Voltage Protection Output Voltage Trim Tw o Year Warranty ARIES Series 5V Input, 3.3VDC, 24A Output, 3.2–5V Input, 2.5VDC, 24V Output Control Functions Remote Sense Output Enable Protection Features Over Temperature Protection Over Voltage Protection Over Current Protection Typical Characteristics Output Setpoint Accuracy: ±1% Load & Line Regulation: ±0.5% Noise & Ripple: 90mVp-p Total Regulation: ±5% Output Trim
Operating Air Temperature from 0°C to +45°C with 500 LFM. 3.3V Output Unit Input Characteristics Parameter Symbol Test Condition Min Typ Max Units Operating Input Range V I IO = 24A 4.5 — 5.5 V No Load Input Power P IL V I = VInom —— 2 W Input Current I I V I = 5V , IO = 24A, VO = 3.3V — — 20 A Efficiency N V I = 5V , IO = 24A, VO = 3.3V 88 — — % Reflected Input Ripple (Note 1) dI I V I = 5V , IO = 24A — — 5.2 A P–P Switching Frequency F S — 250 — kHz Output Characteristics (Over the complete baseplate temperature and input voltage ranges.) Output V oltage Set Point V O V I = 5V , IO = 12 A 3.267 3.300 3.333 V Rated Output Current I O V O = VO nom (externally) — 24 — A Load & Line Regulation V I = 4.5–5.5V , IO = 0-24A — — 15 mV Noise and Ripple V I=5.0V , IO = 24A — 60 90 mV P–P Load Range 0 — 24 A (Load, Line, Temp, Drift) Remote Sense Compensation V I = 4.5–5.5V , IO = 24A — — 100 mV (Round Trip) Output Overvoltage Protection (Nom) V I = 5V , IO = 12A, VO = 3.3V 3.8 — 4.2 V See Note 3, Latching Output V oltage Protection t OVP V I = 5V , IO = 12A, VO = 3.3V — — 150 µs Response Time Current Limit (Nom) I L V I = 5V , VO = 3.3V 25 — 30 A Short Circuit Output V SC V I = 5V , IO = 42A — — 0.6 V O Voltage Compliance Load Transient Response, V OPK IO = 9-14A@0.05A/µs(di/dt), — — 80 mV V O Deviation from Steady State pos or neg step Settling Time V O = 3.3V — — 1200 µs Turn on Time t ON V I = 4.5–5.5V , IO = 0-24A — — 10 ms per figures 3, 4, & 5 External Load Capacitance (Note 2) 1000 — 9900 µf Notes: 1. Input filter capacitor Cin= 1000µF (330µF, ESR 60m Ω, 3 capacitors in parallel) Provide 3" loop between positive terminal of Cin and Vin of the converter to measure reflected input ripple current. 2. The converter output voltage shall be stable when (30) 330µF (9900µF total) tantalum (ESR ≤60m Ω) capacitors are connected across the output of the converter. 3. Adjustment pins J2-18 & 19 are normally left open; see Output Voltage Setting Table on page 5 if using OVP and output voltage trim adjustment. General Specifications Operating Temperature 0°C to +45°C Ambient Air Temp. Storage Temperature –40 °C to +100°C Relative Humidity 10% to 95% RH, Non-condensing V ibration 10–500Hz, 0.75g peak Material Flammability UL94V-0 W eight 100 grams typ. with heatsink MTBF MIL-HDBK-217E 1,200,000 hours* *Note: 50% load; 45°C ambient, 500LFM; calculated MTBF
Operating Air Temperature from 0°C to +45°C with 200 LFM. 2.5V Output Unit Input Characteristics Parameter Symbol Test Condition Min Typ Max Units Operating Input Range (See note 1) VI IO = 24A 3.2 — 5.5 V No Load Input Power P IL V I = VInom —— 2 W Input Current I I V I = 3.43V , IO = 24A, VO = 2.5V — — 21.5 A II V I = 5V , IO = 24A, VO = 2.5V — — 15 A Efficiency N V I = 3.43V , IO = 24A, VO = 2.5V 86 — — % NV I = 5V , IO = 24A, VO = 2.5V 83.5 — — % Reflected Input Ripple dI I V I = 3.43V , IO = 24A — — 3.0 A P–P (See note 2) dI I V I = 5V , IO = 24A — — 5.2 A P–P Searching Frequency F S — 250 — kHz Output Characteristics Output V oltage Set Point V O V I = 5V , IO = 12A 2.470 2.495 2.520 V Rated Output Current I O V O = VO nom (externally) — 24 — A Load & Line Regulation V I = 3.2–5.5V , IO = 0-24A — — 15 mV Noise and Ripple V I=5.0V , IO = 24A — 60 90 mV P–P Load Range 0 — 24 A (Load, Line, Temp, Drift) Remote Sense Compensation V I = 3.2–5.5V , IO = 24A — — 100 mV (Round Trip) Output Overvoltage Protection (Nom) V I =3.43V , IO = 12A, VO = 2.5V 2.76 — 2.94 V See note 4, Latching Output V oltage Protection t OVP V I = 3.43V , IO = 12A, VO = 2.5V — — 150 µs Response Time Current Limit I L V I = 5V , VO = 2.5V 25 — 30 A Short Circuit Output V SC V I = 5V , IO = 42A — — 0.6 V O Voltage Compliance Load Transient Response, V OPK IO = 9-14A@0.05A/µs(di/dt), — — 60 mV V O Deviation from Steady State pos or neg step Settling Time V O = 2.5V — — 1200 µs Turn on Time t ON V I = 3.19–5.5V , IO = 0-24A — — 10 ms per figures 3, 4, & 5 External Load Capacitance (note 3) 150 — 9,900 µf Notes: 1. Connector J1 pins 1, 2, 3, and 5 are all connected together. Connector J1 pin 4 is always connected to 3.3V rail. 2. Input filter capacitor Cin= 1000µF (330µF, ESR = 60mΩ, 3 capacitors in parallel) Provide 3" loop between positive terminal of Cin and Vin of the converter, to measure reflected input ripple current. 3. The converter output voltage shall be stable when (30) 330µf (9900µF total) tantalum (ESR ≤60m Ω) capacitors are connected across the output of the converter. 4. Adjustment pins J2-18 & 19 are normally left open; see Table IV if using OVP and output voltage trim adjustment.
Output Voltage Setting & Typical Output Voltage DC_OK_H Threshold — 3.3V Output Unit Trimmed Vout V OVP Trip R1 R2 Output Voltage -1.2% Typ +1.2% -1.2% Typ +1.2% TRIM OVP DC_OK_H Vo Th reshold Notes: 1. R1 and R2 are external to the converter and shall be 0.1% tolerance. 2. Connect R1 from connector J2 pin 18 to J2 pin 16 to adjust output. Connect R2 from connector J2 pin 19 to J2 pin 16 to adjust OVP level. 3. Output V oltage Setting tolerance ±1.2% at V1 = 5.0V & IO= 12A Output Voltage Setting & Typical Output Voltage DC_OK_H Threshold — 2.5V Output Unit Output V OVP Trip R1 R2 Output Voltage V oltage Min Typ Max DC_OK_H Th reshold Notes: 1. R1 and R2 are external to the converter and shall be 0.1% tolerance. 2. Connect R1 from connector J2 pin 18 to J2 pin 16 to adjust output. Connect R2 from connector J2 pin 19 to J2 pin 1 to adjust OVP level. 3. Output V oltage Setting tolerance ±1.0% at V1 = 3.43V & IO= 12A
ON >5V OFF ≤0.6V ON/OFF To (–) To V ENABLE Pin Enable 0.8V Regulation Band Time VOUT 90% 10% TON Time TURN ON TIME FROM VENABLE GOING LOW Application Notes Control Signal Characteristics Parameter Symbol Test Condition Min Typ Max Units Enable_L V I = 5V , IO = 24A Enable_L Source Current — — 1.0 mA Enable_L V oltage Low — — 0.8 V Enable_L V oltage High 2.6 — — V Enable_L Low (Turn On Delay) — — 10 ms Enable_L Low (Output V oltage) 2.458 2.495 2.532 V Bias Current (12 V olt) I bias V I = 5V , IO = 24A — 70 100 mA DC_OK_H High V I = 3.43V , IO = 24A, VO = ≥2.1V 3.3 — — V DC_OK_H Low V I = 3.43V , IO = 24A, VO = ≤1.8V — — 0.8 V Fault_H High (OVP latched) V I = 3.43V , IO = 24A 3.3 — 5 V Fault_H Low — — 0.8 V Fault_H Source Current (OVP latched) 10 — — mA Note: Fault–H occurs when the output voltage level is over the OVP threshold, pass transistor in the converter is shorted when input voltage is applied, or when a difference between input to output voltage exceeds 2.4 volts with the input voltage only at 3.3V nominal and not at 5V nominal. Enable L: This input signal is used to enable the output of the converter when activated (active Low). The signal is referenced to output side (-Sense) or GND. Enable Circuit Turn-On Time Turn-On Time Output Load Conditions
Pin Designation Pin Designation
1 VIN 2 VIN
3 VIN 4 NC
5 VIN 6 VIN RTN
7 VIN RTN 8 VIN RTN
9 VIN RTN 10 NC
Pin Designation Pin Designation 1V OUT RTN 2 FAULT_H 3V OUT RTN 4 DC_OK_H 5V OUT RTN 6 VOUT RTN 7V OUT RTN 8 VOUT 9V OUT 10 VOUT
11 VOUT 12 VOUT
13 VOUT 14 VOUT
17 ENABLE_L 18 TRIM
19 OVP_ADJ 20 +12V
Horizontal mount. Mechanical support only. 2.62 Max 1.125 AIRFLOW 1.425 1.67 MAX 0.550 1.250 J1 J2 J1J2 Heatsink fins cutaway for clarity 0.318 MIN 0.625 MAX 0.145 HEATSINK SIDE 2 0.28 0.30 MAX COMPONENT HEIGHT 0.045 ±0.010 TOP VIEW (HEAT SINK FACING UP) NOTES: J1, J2, J3 PINS ON
0.100 CENTERS
25MM SQ. HORIZONTAL MOUNT HEATSINK 0.380.302.60 MAX 1.65 MAX 0.23 TOP VIEW SIDE 1 HEATSINK 1.250 0.050 0.045 2.600 MAX 0.550 0.100 0.455 0.255 0.710 MAX SIDE 2 VERTICAL MOUNT Connectors (Far Side)
ORDERING INFORMATION
Galaxy Power Inc. warrants to the original purchaser that the products conform to this data sheet and are free from material and workmanship defects for a period of two (2) years from the date of manufacture, if this product is used within specified conditions. Galaxy Power Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such products or information. For additional details on this limited warranty consult the factory. Standard Model Input Output Max Efficiency Number Voltage Voltage Current Typ @ max load GPA3V0-24H or V 3.2-5.0V 3.3V 24A 89.5% GPA3V0-16H or V 3.2-5.0V 3.3V 16A 83% GPA2V5-24H or V 5.0V 2.5V 24A 87% Example: GPA3V0-24 H Part Number Option: Package Style H = Horizontal or V = Vertical
155 Flanders Road W estborough, MA 01581
508-870-9775 Fax: 508-870-9796 e–mail: galaxy@galaxypwr.com website: http://www.galaxypwr.com © Copyright 2000 Galaxy Power. Specifications subject to change without notice.