PT6507 Datasheet: 8Amp 5V/3.3V Input Adjustable ISR





PT6507 8Amp 5V/3.3V Input Adjustable ISR Datasheet

Part Number PT6507
Description 8Amp 5V/3.3V Input Adjustable ISR
Manufacture Power Trend
Total Page 10 Pages
PDF Download Download PT6507 Datasheet PDF

Features: PT6500 Series 8 Amp 5V/3.3V Input Adjust able ISR with Short-Circuit Protection SLTS034A (Revised 8/23/2000) • 8A S ingle Device Power • Up to 90% effici ency (PT6501) • Small SIP Footprint ⠀¢ Standby Function • Internal Short Circuit Protection • Over-Temperature Protection • Adjustable Output Volta ge The PT6500 series is a high performa nce +3.1 to 6V input, 8 Amp, 14-Pin SIP (Single In-line-Package) Inte- grated Switching Regulator (ISR). This ISR al lows the integration of high-speed, low -voltage Pentium processors and their s upport logic into existing 3.3V or 5V s ystems without redesigning the central power supply. The PT6502 (1.5V) provide s the low terminating voltages required by BTL/ Futurebus+, CTT, HP, and GTL B uses from existing 3.3V or 5V power rai ls. Standard Application V oA D J VIN 4,5,6 VoS E N S E 14 1 P T 6 5 0 0 11,12,13 VOUT C1 STBY + 3 7,8,9,10 Q1 + C2 COM COM C1 = Required 330µ F electrolytic * C2 = Required 330µF electrolytic * * See footnotes LOAD Pin.

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PT6500 Series
8 Amp 5V/3.3V Input Adjustable ISR
with Short-Circuit Protection
SLTS034A
(Revised 8/23/2000)
• 8A Single Device Power
• Up to 90% efficiency (PT6501)
• Small SIP Footprint
• Standby Function
• Internal Short Circuit Protection
• Over-Temperature Protection
• Adjustable Output Voltage
The PT6500 series is a high perfor-
mance +3.1 to 6V input, 8 Amp, 14-Pin
SIP (Single In-line-Package) Inte-
grated Switching Regulator (ISR).
This ISR allows the integration of
high-speed, low-voltage Pentium pro-
cessors and their support logic into
existing 3.3V or 5V systems without
redesigning the central power supply.
The PT6502 (1.5V) provides the low
terminating voltages required by BTL/
Futurebus+, CTT, HP, and GTL Buses
from existing 3.3V or 5V power rails.
Standard Application
V oA D J
VIN
4,5,6
VoS E N S E
14 1
P T 6 5 0 0 11,12,13
VOUT
C1
STBY
+
3 7,8,9,10
Q1
+
C2
COM
COM
C1 = Required 330µF electrolytic *
C2 = Required 330µF electrolytic *
* See footnotes
LOAD
Pin-Out Information
Pin Function
1 Remote Sense
2 Do not connect
3 STBY*-Standby
4 Vin
5 Vin
6 Vin
7 GND
8 GND
9 GND
10 GND
11 Vout
12 Vout
13 Vout
14 Vout Adjust
Ordering Information
PT6501! = 3.3 Volts
† PT6502! = 1.5 Volts
PT6503! = 2.5 Volts
PT6504! = 3.6 Volts
† PT6505! = 1.2 Volts
† PT6506! = 1.8 Volts
† PT6507! = 1.3 Volts
† PT6508! = 1.7 Volts
†3.3V Input Bus Capable
PT Series Suffix (PT1234X)
Case/Pin
Configuration
Heat Tab Configuration
None
Side
Vertical Through-Hole N
R
Horizontal Through-Hole A
G
Horizontal Surface Mount C
B
Pkg Style 400
Specifications
Characteristics
(Ta=25°C unless noted)
Output Current
Current Limit
Short Circuit Current
Input Voltage Range
Output Voltage Tolerance
Line Regulation
Load Regulation
Vo Ripple/Noise
Transient Response
with Co = 330µF
Efficiency
Symbols
Io
Icl
Isc
Vin
∆Vo
Regline
Regload
Vn
ttr
Vos
η
Switching Frequency
Absolute Maximum
Operating Temperature Range
Thermal Resistance
ƒo
Ta
θja
Conditions
Over Vin range
Vin=+5V
Vin=+5V
0.1≤ Io≤ 8.0A
Vo=2.5V and 3.3V
Vo≤1.8V
Vo=3.6V
Vin = +5V, Io = 8.0A
Ta = 0 to +70°C
4.5V ≤ Vin ≤ 6.0V, Io = 8.0A
3.1V ≤ Vin ≤ 6.0V, Io = 8.0A
4.5V ≤ Vin ≤ 6.0V, Io = 8.0A
Vo ≥3.3V
Vo ≤1.8V
Vo =2.5V
0.1 ≤ Io ≤ 8.0A, Vin = +5V
Vo ≥3.3V
Vo ≤1.8V
Vo =2.5V
Vin = +5V, Io = 8.0 Amp
—
Io step from 4A to 8.0A
Vo over/undershoot
—
—
Vin = +5V, Io = 3.0A
Vo ≥3.3V
Vo =2.5V
Vo =1.8V
Vo =1.5V
Vo =1.2V
Vin = +5V, Io = 8.0A
Vo ≥3.3V
Vo =2.5V
Vo =1.8V
Vo =1.5V
Vo =1.2V
Over Vin and Io ranges
Free Air Convection (40-60LFM)
Min
0.1 (1)
—
—
4.5
3.1
4.8
Vo-0.1
PT6500 SERIES
Typ Max
— 8.0
13.0 20.0
15.0 —
—6
—6
—6
— Vo+0.1
—
—
—
—
50
100
150
—
—
—
—
—
—
—
—
—
—
475
–40 (3)
±7
±3
±7
±17
±12
±13
—
—
—
90
85
78
76
67
83
76
74
68
65
600
—
±17
±8
±13
±33
±23
±25
mVpp
µsec
mV
—
—
—
—
—
—
—
—
—
—
725
+85 (4)
Units
A
A
Apk
V
V
mV
mV
%
%
kHz
°C
— 15 — °C/W
Continued
For technical support and more information, see inside back cover or visit www.ti.com/powertrends

                    
        






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