Datasheet > PT3344A

PT3344A

更新时间： 2024-09-27 02:58:35

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
5页	1273K
描述
1500 VDC Isolation

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PT3344A 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	MODULE
包装说明：	, SIP19/27H,1.4	针数：	19
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
风险等级：	5.85	其他特性：	UNDERVOLTAGE LOCKOUT
模拟集成电路 - 其他类型：	DC-DC REGULATED POWER SUPPLY MODULE	最大输入电压：	60 V
最小输入电压：	18 V	标称输入电压：	24 V
JESD-30 代码：	R-MSMA-T19	最大负载调整率：	1%
功能数量：	1	输出次数：	1
端子数量：	19	最高工作温度：	85 °C
最低工作温度：	-40 °C	最大输出电流：	2 A
最大输出电压：	16.5 V	最小输出电压：	13.5 V
标称输出电压：	15 V	封装主体材料：	METAL
封装等效代码：	SIP19/27H,1.4	封装形状：	RECTANGULAR
封装形式：	MICROELECTRONIC ASSEMBLY	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	子类别：	Other Analog ICs
表面贴装：	NO	技术：	HYBRID
温度等级：	INDUSTRIAL	端子形式：	THROUGH-HOLE
端子节距：	2.54 mm	端子位置：	SINGLE
处于峰值回流温度下的最长时间：	NOT SPECIFIED	最大总功率输出：	30 W
微调/可调输出：	YES	Base Number Matches：	1

PT3344A 数据手册

For assistance or to order, call (800) 531-5782

Revised 5/19/99

P T 3 3 4 0 S e r i e s

Application Notes

Mechanical Outline

Product Selector Guide

30 WATT ISOLATED

DC/DC CONVERTER

The PT3340 is a new series of high-

input voltage, 30 Watt, isolated DC to

DC converters housed in a unique

vertical or horizontal 19-pin SIP pack-

age. The 18 to 60V input range allows

easy integration into many distributed

power applications which utilize 24V bus

architectures.

110% of nominal with the addition of an

external resistor. Other easy to use

features include an inhibit function and a

differential remote sense which auto-

matically compensates for any voltage

drop from the converter to the load. The

PT3340 includes built in current limit,

short circuit protection and over-

temperature shutdown.

The PT3340 series is available with

output voltages from 3.3V to 15V. The

output voltage is adjustable from 90 to

The PT3340 requires a 330µF output

capacitor for proper operation.

Patent pending*

Pin-Out Information

Features

Standard Application

Pin Function

• 30W Output Power

• Input Voltage Range:

18V to 60V

V_OAdjust

Do Not Use

Inhibit

Do Not Use

-V_in

10 -V_o

11 -V_o

12 -V_o

13 -Remote Sense

14 +V_o

+REMOTE SENSE

+V_IN

7-9

+V_O

14-17

• 1500 VDC Isolation

• V_oInhibit

• V_oAdjust

• Differential Remote Sense

• Current Limit

• Short-Circuit Protection

• Over-Temperature Shutdown

• Undervoltage Lockout

• Flexibile SIP Package

• UL 1950, CSA 22.2 950

approval pending

PT3340

-V_in

4-6

13 10-12

C_OUT

LOAD

C_IN

Inhibit

-V_IN

15 +V_o

-V_O

-REMOTE SENSE

Q₁

+V_in

16 +V_o

17 +V_o

Q₁

= Optional 100µF/100V electrolytic

= Required 330µF electrolytic

= NFET

out

+V_in

18 V_oAdjust

19 +Remote Sense

Preliminary Specifications

PT3340 SERIES

Characteristics

(T_a= 25°C unless noted)

Symbols

Conditions

Over V_inrange

Min

Typ

Max

Units

Output Current

I_o

V_o= 3.3V

V_o= 5V

V_o= 12V

0.25

0.1

—

8.0

6.0

2.5

• Meets EN60950

On/Off Standby Current

Short Circuit Current

Input Voltage Range

I_{in standby}

I_sc

V_in= 24V, Pin 1 = -V_in

V_in= 24V

—

I_omaxx2

24.0

—

Ordering Information

PT3341¨ = 3.3V/8A

PT3342¨ = 5.0V/6A

PT3343¨ = 12.0V/2.5A

PT3344¨ = 15.0V/2A

V_in

Over I_oRange

18.0

60.0

Output Voltage Tolerance ∆V_o

Over V_inRange

T_A= -40°C to +85°C

—

1.0

—

%V^o

Line Regulation

Load Regulation

V_oRipple/Noise

Reg_line

Over V_inrange @ max I_o

10% to 100% of I_omax

—

0.5

—

%V_o

Reg_load

V_n

V_in=24V, I_o=I_omax, V_o>5V

V_in=24V, I_o=I_omax, V_o<5V

—

1.0

—

%V_o

mV_pp

Transient Response

Efficiency

t_tr

50% load change, 1A/µSec

V_oover/undershoot, V_o>5V

—

100

3.0

—

µSec

%V_o

PT Series Suffix

(PT1234X)

V_in=24V, I_o=6A, V_o=3.3V

V_in=24V, I_o=6A, V_o=5V

V_in=24V, I_o=2.5A, V_o=12V

—

Case/Pin

Configuration

Vertical Through-Hole

Switching Frequency

ƒ_o

Over V_inand I_o

V_o<10V

V_o>10V

600

400

750

500

900

600

kHz

Horizontal Through-Hole

Horizontal Surface Mount

Recommended Operating T_a

Temperature Range

V_in= 48V @ max I_o

Airflow = 200 LFM

-40*

-40

—

+85

+125

—

°C

G’s

(For dimensions and PC board layout,

see Package Styles 840 and 850.)

Storage Temperature

Mechanical Shock

T_s

—

Per Mil-Std-883D, method 2002.3,

1mS, half-sine, mounted to a fixture

500

Mechanical Vibration

—

Per Mil-Std-883D, method 2007.2,

20-2000Hz, soldered in a PC board

—

G’s

* Note: This product is the

subject of one or more patents.

Other patents pending.

Weight

—

grams

Input/Output Isolation

Capacitance

—

1500

—

1200

—

VDC

Resistance

MΩ

Flammability

Inhibit (pin 2)

—

Materials meet UL 94V-0

On**

Off

2.5

—

0.8

VDC

Referenced to -Vⁱⁿ

* At temperatures below 0°C, the PT3340 series requires output capacitors with temperature stable dielectrics

such as tantalum or Oscon.

** If pin 2 is left open, the PT3340 will operate when input power is applied.

Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com

12 3 4 5

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