PT6305 Datasheet: 3AMP HIGH-PERFORMANCE ADJUSTABLE ISR





PT6305 3AMP HIGH-PERFORMANCE ADJUSTABLE ISR Datasheet

Part Number PT6305
Description 3AMP HIGH-PERFORMANCE ADJUSTABLE ISR
Manufacture Power Trend
Total Page 6 Pages
PDF Download Download PT6305 Datasheet PDF

Features: For assistance or to order, call (800) 5 31-5782 PT6305 Series 3 AMP HIGH-PER FORMANCE ADJUSTABLE ISR • Single-Dev ice 5V to 3V Power • 85% Efficiency Small SIP Footprint: 0.36" x 2.00” x 0.60"(H) • Wide Input Voltage Rang e: +4.5V to +9.0V • Internal Short Ci rcuit Protection • Over-Temperature P rotection The PT6305N is Power Trends new high performance +5V to +3.3V, 3 Amp, 12-Pin SIP (Single In-linePackage ) Integrated Switching Regulator (ISR). This high-performance ISR allows easy integration of low-power 3.3V logic IC s into existing 5V systems without re designing the central power supply. Onl y one external capacitor is required fo r proper operation. The PT6306,7,8 can be used to power high-speed data buses (+2.1V), or the new GTL (+1.2V) logic b uses. Standard Application VIN (+) C1 2,3,4 12 9,10,11 PT6305,6,7,8 5,6 ,7,8 C2 VO Adjust VOUT (+) COM C1 = Optional electrolytic (100µF) C2 = Req uired 100µF electrolytic (No tantalum) See capacitor application note on page 43. .

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For assistance or to order, call (800) 531-5782
PT6305
Series
3 AMP HIGH-PERFORMANCE
ADJUSTABLE ISR
Single-Device 5V to 3V Power
85% Efficiency
Small SIP Footprint:
0.36" x 2.00” x 0.60"(H)
Wide Input Voltage Range:
+4.5V to +9.0V
Internal Short Circuit Protection
Over-Temperature Protection
The PT6305N is Power Trends’
new high performance +5V to +3.3V, 3
Amp, 12-Pin SIP (Single In-line-
Package) Integrated Switching
Regulator (ISR). This high-perfor-
mance ISR allows easy integration of
low-power 3.3V logic IC’s into existing
5V systems without redesigning the
central power supply. Only one external
capacitor is required for proper
operation. The PT6306,7,8 can be used
to power high-speed data buses (+2.1V),
or the new GTL (+1.2V) logic buses.
Standard Application
VIN
(+)
C1
2,3,4
12
9,10,11
PT6305,6,7,8
5,6,7,8
C2
VO Adjust
VOUT
(+)
COM
C1 = Optional electrolytic (100µF)
C2 = Required 100µF electrolytic (No tantalum)
See capacitor application note on page 43.
COM
Specifications
Pin-Out Information
Pin No.
1
2
3
4
5
6
Function
N/C
Vin
Vin
Vin
GND
GND
Pin No.
7
8
9
10
11
12
Function
GND
GND
Vout
Vout
Vout
Adjust
(See page 40.)
1 12
Ordering Information
PT6305n = +3.3 Volts
PT6306n = +1.8 Volts
PT6307n = +2.1 Volts
PT6308n = +1.2 Volts
(For dimensions, see page 66.)
PT Series Suffix (PT1234X)
Case/Pin
Configuration
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
Heat Tab Configuration
None
Side
NR
AG
CB
(See Thermal Application Notes on page 44 for heat tab
application data.)
Characteristics
(TA=25˚C unless noted)
Output Current
Symbols
Io
Conditions
4.5 Vin Vin MAX
PT6305 SERIES
Min Typ
0.3 —
Max
3.0**
Units
ADC
Current Limit
Icl Vin = +5V
— 3.6 5.0 ADC
Short Circuit Current
Isc
Vin = +5V
— 5.0 — Apk
Input Voltage Range
Vin
0.3A Io 3.0A
PT6305N
4.5 —
9
VDC
PT6306N
4.5 —
9
VDC
PT6307N
4.5 —
9
VDC
PT6308N
4.5 —
6.0 VDC
Static Voltage Tolerance
Vo
Vin = +5V, Io = 3.0A
0°C Ta +70°C
PT6305N
PT6306N
PT6307N
PT6308N
3.2 3.3 3.4 VDC
1.7 1.8 1.9 VDC
2.0 2.1 2.2 VDC
1.1 1.2 1.3 VDC
Line Regulation
Regline
4.5V Vin 5.5V, Io = 3.0A
— ±25 ±50 mV
Load Regulation
Regload
Vin = +5V, 0.3 Io 3.0A
— ±25 ±50 mV
Vo Ripple/Noise pk-pk
Vn
Vin = 5V, Io = 3.0A
— 66 — mV
Transient Response
with C2 = 100µF
Efficiency
ttr Io step between 1.5A and 3.0A
Vos Vo over/undershoot
— 200 — µSec
— 200 — mV
η
Vin = +5V, Io = 1.5A PT6305N
— 85 — %
PT6306N
— 74 — %
PT6307N
— 77 — %
PT6308N
— 63 — %
Vin = +5V, Io = 3.0A
PT6305N
PT6306N
PT6307N
PT6308N
— 80 — %
— 68 — %
— 72 — %
— 57 — %
Switching Frequency
ƒo
4.5 Vin Vin MAX
0.3A Io 3.0A
500 650 800 KHz
Operating Temperature
Thermal Resistance
Ta
θja
Free Air Convection (40-60 LFM)
Over Vin and Io Ranges
Free Air Convection (40-60 LFM)
0
+70*
°C
— 25 — °C/W
Storage Temperature
Ts
-40 —
+125
°C
Mechanical Shock
Per Mil-STD-883D, Method 2002.3 Condition A, 1 msec, Half Sine,
mounted to a fixture
500 G’s
Mechanical Vibration
Per Mil-STD-883D, Method 2007.2 Condition A, 20-2000 Hz
15
G’s
Weight
——
— 11.2 — grams
Relative Humidity
— Non-condensing
0 — 95 %
*See Thermal Derating chart. **The PT6305 Series can be easily paralleled to provide output current in multiples of 3 amps. Please contact a Power Trends’ Application Engineer for the
appropriate application note. Note: The PT6305 Series requires a 100µF electrolytic capacitor for proper operation in all applications.
24 Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902

                 






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