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Part: PT6511N
Category:
Description: 3.3V 8A, 5-V Input Adjustable Isr With Short-circuit Protection
Company: Texas Instruments, Inc.
Datasheet: Download PT6511N datasheet File size : 59 kB
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PT6510 Series
8-A 5-V/3.3-V Input Adjustable ISR with Short-Circuit protection
SLTS220 FEBRUARY 2004
Features
· · · · · · · · · · 8-A Rated Output Current Replaces PT6500 Series High Efficiency (91% for PT6511) Small Footprint (0.75 in², Suffix `N') Output On/Off Standby Control Output Short-Circuit Protection Over-Temperature Protection Adjustable Output Voltage Soft Startup 16-pin Mount Option (Suffixes L & F)
Ordering Information
PT6511¨ PT6512¨ PT6513¨ PT6514¨ PT6515¨ PT6516¨ = = = = = = 3.3 Volts 1.5 Volts 2.5 Volts 3.6 Volts 1.2 Volts 1.8 Volts
Pin-Out Information
Pin
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Function
Vo Sense Do Not Connect STBY* Vin Vin Vin GND GND GND GND Vout Vout Vout Vout Adjust
Description
The PT6510 series of power modules is the recommended direct replacement for the PT6500 series in existing designs. The modules have the same output current rating as the PT6500 series (8 A) and were designed to be functionally identical in as many aspects as possible. This includes the input voltage range, on/off standby control, and output voltage adjustment. When used as a replacement, a PT6510 series part exhibits a number of perform a n c e enhancements over its PT6500 series equivalent. These include improved power dissipation and efficiency, significantly reduced inrush current, and better line and load regulation. The modules are housed in the same 14-Pin SIP (Single In-line Package), and include the same package options.
3.3V Input Bus Capable
PT Series Suffix (PT1234x )
Case/Pin Configuration Vertical Horizontal SMD Horizontal, T p Tab o SMD, 2-Pin Tab SMD, 2-Pin Ext Tab Vertical, Side Tab Horizontal, Side Tab SMD, Side Tab Order Suffix Package Code * (EED) (EEA) (EEC) (EEH) (EEL) (EEF) (EEE) (EEG) (EEK)
N A C H L F R G B
* For further information, see application notes.
* Previously known as package styles 400/410. (Package availability varies with output voltage option. Reference the applicable package code drawing for the dimensions and PC board layout)
Standard Application
VoADJ
14 1 11,12,13
VoSENSE
VIN
4,5,6
PT6510
3 710
VOUT
+
+
CIN
COUT
L O A D
COM
COM
Cin = Required 330 µF electrolytic capacitor. Cout = Required 330 µF electrolytic capacitor.
For technical support or further information, visit http://power.ti.com
PT6510 Series
8-A 5-V/3.3-V Input Adjustable ISR with Short-Circuit protection
SLTS220 FEBRUARY 2004
Specifications
Characteristic
(Unless otherwise stated, T a =25 °C, Vin =5 V, Cin =330 µF, C out =330 µF, and Io =Iomax)
PT6510 SERIES
Symbol Io Vin Vo tol Regline Regload Conditions Over Vin range Over Io Range Ta = 40 to +85 °C Over Vin range Over Io range Io =3 A Vo 2.5 V Vo 1.8 V Vo = 3.6 V Min 0.1 (1) 4.5 (2) 3.1 (2) 4.8 (2) Vo 0.1 ±2 ±2 -- -- -- -- -- -- -- -- -- -- -- -- -- -- 475 -- 0.1 -- -- 330 330 (5) 40 40 6.4 -- -- -- -- -- -- -- Typ -- -- -- -- -- -- -- 92 89 83 80 75 91 87 81 77 72 15 15 100 ±150 550 -- -- 0.5 1 -- -- -- -- -- 500 10 12.5 16.5 18.5 15.5 22 Max 8 6 6 6 Vo + 0.1 ±10 ±10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- 725 Open (3) +0.4 5 5,000 (4) -- +85 (6) +125 -- -- -- -- -- -- -- -- Units A VDC V mV mV % Output Current Input Voltage Range Output Voltage T lerance o Line Regulation Load Regulation Efficiency
Io =8 A
Vo =3.3 V Vo =2.5 V Vo =1.8 V Vo =1.5 V Vo =1.2 V Vo =3.3 V Vo =2.5 V Vo =1.8 V Vo =1.5 V Vo =1.2 V
% mVpp A µs mV kHz V mA mA µF µF °C °C 106 Hrs G's G's
Vo Ripple (pk-pk) Over-Current Threshold Transient Response Switching Frequency On/Off Standby (Pin 3) Input High Voltage Input Low Voltage Input Low Current Standby Input Current External Output Capacitance External Input Capacitance Operating T mperature Range e Storage T mperature e Reliability Mechanical Shock Mechanical Vibration Weight
Vr Io trip ttr Vtr s VIH VIL IIL Iin stby Cout Cin Ta Ts MTBF -- -- --
20 MHz bandwidth Reset, followed by auto-recovery 1 A/µs load step, 50 % to 100 % Iomax Vo over/undershoot Over Vin and Io range Referenced to Vin (pin 7)
Flammability
--
Pins 3 & 7 connected See application schematic See application schematic Over Vin range -- Per Bellcore TR-332 50 % stress, Ta =40 °C, ground benign Per Mil-Std-883D, method 2002.3, 1 ms, half-sine, mounted to a fixture Per Mil-Std-883D, method 2007.2, 20-2000 Hz Suffixes N, A, & C Suffixes R, G & B Suffix H Suffix L Suffix F Materials meet UL 94V-0
grams
Notes: (1) The ISR will operate at no load with reduced specifications. (2) The minimum input voltage required by the part is V out + 1.2 V or 3.1 V, whichever is greater. , (3) The STBY* control (pin 3) has an internal pull-up and if it is left open circuit the module will operate when input power is applied. The open-circuit voltage is the input voltage, Vin . Refer to the application notes for other interface considerations. (4) The module requires a 330 µF output capacitor for proper operation in all applications. For transient or dynamic load applications, additional output capacitance (Cout) may be necessary. The maximum allowable output capacitance is 5,000 µF. (5) In addition, the input capacitance (Cin) must be rated for a minimum of 1.2 Arms ripple current rating. For more information consult the related application note on capacitor recommendations. (6) See Safe Operating Area curves or contact the factory for the appropriate derating. (7) The tab pins on the 16-pin mount package types (suffix L) must be soldered. For more information see the applicable package outline drawing.
For technical support and further information, visit http://power.ti.com
PT6510 Series
8-A 5-V/3.3-V Input Adjustable ISR with Short-Circuit protection
Typical Characteristics
SLTS220 FEBRUARY 2004
Characteristic Data; Vin =5 V (See Note A)
Efficiency vs Output Current
100
Characteristic Data; Vin =3.3 V (See Note A)
Efficiency vs Output Current
100
90
VOUT 3.6 3.3 2.5 1.8 1.5 1.2 V V V V V V Efficiency - (%)
90
VOUT
80
Efficiency - (%)
80
70
70
2.5 1.8 1.5 1.2
V V V V
60
60
50 0 2 4 6 8
50 0 2 4 6 8
IOUT - (A)
IOUT - (A)
Output Ripple vs Output Current
40 40
Output Ripple vs Output Current
Ripple Voltage - (mV)
Ripple Voltage - (mV)
30
VOUT 1 .8 V 2 .5 V 3 .3 V 1 .5 V 3 .6 V 1 .2 V
30
VOUT 1 .8 V 1 .5 V 1 .2 V 2 .5 V
20
20
10
10
0 0 2 4 6 8
0 0 2 4 6 8
IOUT - (A)
IOUT - (A)
Power Dissipation vs Output Current
4
Power Dissipation Output Current
4
Power Dissipation - (W)
3
Power Dissipation - (W)
VOUT 1 .2 V 1 .5 V 1 .8 V 2 .5 V 3 .3 V 3 .6 V
3
VOUT 1 .2 V 1 .5 V 1 .8 V 2 .5 V
2
2
1
1
0 0 2 4 6 8
0 0 2 4 6 8
IOUT - (A)
IOUT- (A)
Note A: Characteristic data has been developed from actual products tested at 25°C. This data is considered typical data for the Converter.
For technical support or further information, visit http://power.ti.com
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