|
Details, datasheet, quote on part number:PT3303C
| |
| Part: | PT3303C |
| Category: | Power Management => Plug-in Power Solutions->Non-Isolated->Single Posi |
| Description: | ti PT3303, 12Vout 30W 20 to 60V-Input Non-isolated Step-down Isr |
| Company: | Texas Instruments, Inc. |
| Datasheet: | Download PT3303C datasheet File size : 246 kB |
| Request For quote: | Find where to buy PT3303C
|
| |
Datasheet text preview:
For assistance or to order, call
(800) 531-5782
PT3300
Series
30 WATT POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR
The PT3300 is a new series of highinput voltage, 30 Watt, non-isolated Integrated Switching Regulators (ISRs) housed in a 19-pin SIP package. The 20 to 60 V input range allows easy integration into many distributed power applications which utilize 24, 28, or 48V bus architechures. The PT3300 series is available with 3.3, 5, 12, or 15V outputs. The output voltage is adjustable from 90 to 110% of
Application Notes Mechanical Outline Product Selector Guide Revised 5/15/98
nominal with the addition of an external resistor. Other easy to use features include an inhibit function and remote sense which automatically compensates for any voltage drop from the ISR to the load. As with other Power Trends' products, the PT3300 includes built in current limit, short circuit protection and over-temperature shutdown. The PT3300 requires a 330µF output capacitor for proper operation.
Pin-Out Information Ordering Information
Pin Function
Do Not Use Inhibit Vo Adjust Vin GND Vin GND Vin GND V in V in V in Vo GND Vo GND Vo GND Vo GND Vo Vo Vo Vo Do Not Use Remote Sense
Features
· 30W Output Power · Input Voltage Range: 20V to 60V · High Efficiency · Vo Inhibit · Vo Adjust · Remote Sense · Current Limit · Short-Circuit Protection · Over-T mperature Shutdown e · 19-pin SIP Package
Standard Application
Inhibit VO Adjust
REMOTE SENSE
2 3 19
VIN
7-9
PT3300
4-6 10-13
14-17
VO
CIN VINGND
+
C OUT
+
LOAD VOGND
Cin = Optional 100µF/100V electrolytic Co u t = Required 330µF electrolytic Note: Pins 4,5,6 and pins 10,11,12,13 are connected internally.
Specifications
Characteristics (Ta = 25°C unless noted) Output Current Symbols Io
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
PT3301o = +3.3 Volts PT3302o = +5.0 Volts PT3303o = +12.0 Volts PT3304o = +15.0 Volts
PT Series Suffix (PT1234X)
Case/Pin Configuration
Vertical Through-Hole Horizontal Through-Hole Horizontal Surface Mount
N A C
(For dimensions and PC board layout, see Package Styles 820 and 830.)
PT3300 SERIES
Conditions Over Vin range Vo = +3.3V Vo = +5.0V Vo = +12.0V Vo = +15.0V Min 0.50* 0.50* 0.25* 0.20* -- 20 -- -- -- 90 -- -- -- Vo = +3.3V Vo = +5.0V Vo = +12.0V -- -- -- 600 -20 Free air convection Over Vin and Io ranges -- Per Mil-STD-883D, Method 2002.3 Per Mil-STD-883D, Method 2007.2, 20-2000 Hz, soldered in a PC board -- -20 -40 -- -- -- Typ -- -- -- -- 2× I max -- ±1 ±0.5 ±0.5 -- 2 100 2 80 85 87 750 -- -- -- 500 10 35 Max 8.0 6.0 2.5 2.0 -- 60 ±3 ±1 ±1 110 3 250 5 -- -- -- 900 +85 +65** +125 -- -- -- Units A A A A -- V %V o %V o %V o %V o %V o µSec %V o % % % kHz °C °C °C G's G's grams
Short Circuit Current Input Voltage Range Output Voltage Tolerance Line Regulation Load Regulation Vo Adjust Range Vo Ripple/Noise Transient Response with Cout = 330µF Efficiency
I sc V in Vo R e g line Regl o a d Vo adj Vn ttr Vo s
Vin = +25V 0.5 I o I max Over Vin range, Io = Imax 0°C Ta +60°C Over Vin range 0.5 I o I max Over Vin and Io ranges Vin = +24V, Io = Imax 25% load change Vo over/undershoot Vin = +24V, Io = 0.5×Imax
Switching Frequency Absolute Maximum Operating Temperature Range Recommended Operating Temperature Range Storage Temperature Mechanical Shock Mechanical Vibration Weight
o Ta Ta Ts -- -- --
Over Vin and Io ranges
*ISR will operate down to no load with reduced specifications. ** See Thermal Derating Curve Note: The PT3300 Series requires a 330µF electrolytic or tantalum output capacitor for proper operation in all applications.
20
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
For assistance or to order, call
(800) 531-5782
PT3300
CHARACTERISTIC DATA
Series
Wide Input Range Products
PT3301, 3.3 VDC
(See Note 1)
PT3302, 5.0 VDC
DATA SHEETS
(See Note 1)
Efficiency vs Output Current
10 0 90
Efficiency %
V in
100 90
Efficiency vs Output Current
Efficiency %
80 70 60 50 40 0 1 2 3 4 5 6 7 8
2 0 .0 V 2 4 .0 V 3 0 .0 V 3 6 .0 V 4 8 .0 V 6 0 .0 V
80 70 60 50 40 0 1 2 3 4 5 6
Vin 20.0V 24.0V 30.0V 36.0V 48.0V 60.0V
Output Current (Amps)
Output Current (Amps)
Ripple vs Output Current
100 80
Vin
Ripple vs Output Current
60 50
Vin
Ripple (mV)
Ripple (mV)
60 40 20 0 0 1 2 3 4 5 6 7 8
60.0V 48.0V 36.0V 30.0V 24.0V 20.0V
40 30 20 10 0 0 1 2 3 4 5 6
60.0V 48.0V 36.0V 30.0V 24.0V 20.0V
Output Current (Amps)
Output Current (Amps)
Thermal Derating (Ta)
6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 20 25 30
(See Note 2)
85°C
Iout-(Amps)
35
40
45
50
55
60
Vin-(Volts)
Power Dissipation vs Output Current
7 6
Vin
7 6 5
Power Dissipation vs Output Current
Pd (Watts)
5 4 3 2 1 0 0 1 2 3 4 5 6 7
60.0V 48.0V 36.0V 30.0V 24.0V 20.0V
Vin 60.0V 48.0V 36.0V 30.0V 24.0V 20.0V
Pd (Watts)
4 3 2 1 0 0 1 2 3 4 5 6
Output Current (Amps)
Output Current (Amps)
Note 1: All data listed in the above graphs, except for derating data, has been developed from actual products tested at 25°C. This data is considered typical data for the DC-DC converter. Note 2: Thermal derating graphs are developed in free air convection cooling of 40-60 LFM. (See Thermal Application Notes.)
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
21
For assistance or to order, call (800) 531-5782
Application
Notes
PT3300 Series More Applcation Notes
Adjusting the Output Voltage of the PT3300 Wide Input Range Switching Regulator
The output voltage of the Power Trends PT3300 Series ISRs may be adjusted over a ±10% range from the factory trimmed pre-set voltage. This is accomplished with the addition of a single external resistor. Table 1 accordingly gives the allowable adjustment range for each model in the series as Va (min) and Va (max). Adjust Up: An increase in the output voltage is obtained by adding a resistor R2, between pin 3 (Vo adjust) and pins 10-13 (Vo GND) Adjust Down: Add a resistor (R1), between pin 3 (Vo adjust) and pins 14-17 (Vout). Refer to Figure 1 and T ble 2 for both the placement and value a of the required resistor, either (R1) or R2 as appropriate. Notes: 1. Use only a single 1% resistor in either the (R1) or R2 location. Place the resistor as close to the ISR as possible. 2. Never connect capacitors from Vo adjust to either GND or Vout . Any capacitance added to the Vo adjust pin will affect the stability of the ISR. 3. Vin GND and Vo GND are connected internally and may be treated as common on the PT3300 ISR series. 4. If the Remote Sense feature is being used, connecting the resistor (R1) between pin 3 (Vo adjust) and pin 19 (Remote Sense) can benifit load regulation. 5. Adjusting Vout higher than that defined for the model raises the minimum input voltage by the same percentage.
Figure 1
19 Vo(Sense) 7,8,9 1 4 - 17
The values of (R1) [adjust down], and R2 [adjust up], can also be calculated using the following formulae. (R1) R2 = = Ro (Vo 1)(Va 1) pt(Vo40 a) 50 V Ro (Vo 1) - 0.48 Va - Vo
Vo Va Ro = Original output voltage = Adjustd output voltage = The value in Table 1
- 0.48
k k
Where:
Table 2 PT3300 ADJUSTMENT RESISTOR VALUES
S e r i e s Pt # Current Vo(nom) Va(req'd) 3.0 3.1 3.2 3.3 3.4 3.5 3.6 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5 10.8 11.0 11.2 11.4 11.6 12.0 12.2 12.4 12.6 12.8 274.0k 137.0k 91.0k 68.1k 54.4k 45.3k (425.0)k (664.0)k (1379.0)k 102.0k 50.6k 33.6k R2 = Black 548.0k 274.0k 182.0k 137.0k 109.0k (448.0)k (548.0)k (699.0)k (951.0)k (1450.0)k 545.0k 272.0k 181.0k (383.0)k (493.0)k (675.0)k (1040.0)k (2140.0)k PT3301 8Adc 3.3Vdc (363.0)k (572.0)k (1200.0)k PT3302 6Adc 5.0Vdc PT3303 2.5Adc 12.0Vdc PT3304 2Adc 15.0Vdc
V in
Vin
PT3300
Vin GND 2 4 , 5, 6 Vo GND 1 0 - 13
Vo
V out
INH
Vo(adj) 3
C in 1 0 0 µF , 100V (Optional)
+
(R1) A d j Down C out 3 3 0 µF R2 A d j u s t Up
+
L O A D
COM
COM
13.0 13.2 13.5 14.0
Table 1 PT3300 ADJUSTMENT AND FORMULA PARAMETERS
S e r i e s Pt # Vo (nom) Va (min) Va (max) Ro (k) PT3301 3.3V 3.0V 3.6V 23.7 PT3302 5.5V 4.5V 5.5V 13.7 PT3303 12.0V 10.8V 13.2V 4.99 PT3304 15.0V 13.5V 16.5Vs 3.65
14.5 15.0 15.5 16.0 16.5 R1 = (Red)
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
3
|
|
