Texas Instruments PT6671B, PT6671D, PT6671E, PT6671F, PT6671G Datasheet

Standard Application

C1 = Required 560µF electrolytic
C2 = Required 560µF electrolytic

PT6670

4,5,6

7,8,9,10

11,12,13

14

V

IN

GND GND

V

OUT

C

2

+

C

1

+

1

VOAdjust

REMOTE SENSE

LOAD

Ordering Information

PT6671¨ = +5.0 Volts
PT6672¨ = +9.0 Volts
PT6673¨ = +12.0 Volts

PT Series Suffix

(PT1234X)

Case/Pin Heat
Configuration Spreader

Vertical Through-Hole

P

Horizontal Through-Hole

D

Horizontal Surface Mount

E

Note: Back surface
of product is
conducting metal.

Pin-Out Information

Pin Function

1 Remote Sense
2 Do not connect
3 Do not connect
4V

in

5V

in

6V

in

7

GND
8 GND
9 GND

10 GND
11 V

out

12 V

out

13 V

out

14 V

out

Adjust

3.3V INPUT 20W BOOST
INTEGRATED SWITCHING REGULATOR

• Input Voltage Range: 3.0 to 3.6V

• Adjustable Output Voltage

• 85% Efficiency

• Remote Sense Capability

• Soft Start

The PT6670 series is a new addition
to the Power Trends high performance
family of 14-Pin SIP (Single In-line
Package) Integrated Switching Regula­tors (ISRs), designed for 3.3V bus
applications needing 5 to 12 volts for
auxilliary circuits at up to 20W of
output power.

For assistance or to order, call [phone]

Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 [phone] Fax: [phone] http://www.powertrends.com

PT6670 Series

Pkg Style 400

Preliminary Specifications

Characteristics

PT6670 SERIES

(Ta = 25°C unless noted) Symbols Conditions Min Typ Max Units

Output Current I

o

Ta = 60°C, 200 LFM, pkg P 0.1 — TBD A
T

a

= 25°C, natural convection Vo= +5V 0.1 — 4.0 A

V

o

= +9V 0.1 — 2.2 A

Vo= +12V 0.1 — 1.7 A

Input Voltage Range V

in

Over Vo and Io range 3.0 — 3.6 V

Inrush Current I

ir

On start-up — — TBD A

Output Voltage Tolerance ∆V

o

V

in

= +3.3V, Io = I

omax

—1.5—%V

o

Ta = 0°C to 65°C

Output Voltage Adjust Range V

oadj

Pin 14 to V

o

or ground V

o

= +5V — TBD —

V

o

= +9V — TBD — V

Vo= +12V — TBD —

Line Regulation Reg

line

Over V

in

range, Io = I

omax

— ±0.25 ±0.5 %V

o

Load Regulation Reg

load

Vin = +3.3V, 0.1 ≤ I

o

≤ I

omax

— ±0.25 ±0.5 %V

o

Vo Ripple/Noise V

n

V

in

= +3.3V, Io = I

omax

—3 —%V

o

Transient Response t

tr

Io step between ½I

omax

and I

omax

— 500 — µSec

with C1= C2= 560µF V

os

Vo over/undershoot — 5 — %V

o

Efficiency h V

in

= +3.3V, Io = ½I

omax

V

o

= +5V — 87 — %

V

o

= +9V — 86 — %

V

o

= +12V — 87 — %

V

in

= +3.3V, Io = I

omax

V

o

= +5V — 84 — %

V

o

= +9V — 80 — %

V

o

= +12V — 82 — %

Note:

The PT6670 Series requires two 560µF electrolytic capacitors (input and output) for proper operation in all applications. Please note that this product does not include short circuit protection.

Revised 11/18/98

PT6670

ADVANCED INFORMATION - AVAILABLE 3Q98

CHARACTERISTIC DATA

For assistance or to order, call [phone]

Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 [phone] Fax: [phone] http://www.powertrends.com

DATA SHEETS

Note 1:Note 1:

Note 1:Note 1:

Note 1: All data listed in the above graphs has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.

PT6670 Series (@ Vin=+3.3V) (See Note 1)

Efficiency vs Output Current

Ripple vs Output Current

Power Dissipation vs Output Current

Efficiency - %

Ripple-(mV)PD-(Watts)

Iout-(Amps)

Iout-(Amps)

Iout-(Amps)

PT6670 Series

Preliminary Specifications (continued)

Characteristics

PT6670 SERIES

(Ta = 25°C unless noted) Symbols Conditions Min Typ Max Units

Switching Frequency ƒ

o

3.0V ≤ V

in

≤ 3.6V

—

300

—

kHz

0.1A ≤ I

o

≤ I

omax

Absolute Maximum T

a

-40 — +85 °C

Operating Temperature Range
Recommended Operating T

a

Free Air Convection (40-60 LFM)

-40 — +65 °C

Temperature Range Over V

in

and Io ranges with heat tab

Thermal Resistance θ

ja

Free Air Convection (40-60 LFM) — TBD — °C/W

Storage Temperature T

s

— -40 — +125 °C
Mechanical Shock — Per Mil-STD-883D, Method 2002.3 — 500 — G’s
Mechanical Vibration — Per Mil-STD-883D, Method 2007.2,

— 7.5 — G’s

20-2000 Hz, soldered in a PC board
Weight — — — 14 — grams

Note: The PT6670 Series requires two 560µF electrolytic capacitors (input and output) for proper operation in all applications. Please note that this product does not include short circuit protection.

60

70

80

90

100

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

PT6671
PT6672
PT6673

0

20

40

60

80

100

120

140

160

180

200

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

PT6671
PT6672
PT6673

0

1

2

3

4

5

6

0.0 0. 5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

PT6671
PT6672
PT6673