Datasheet > PT7707C

PT7707C

更新时间： 2024-01-16 22:23:25

品牌	Logo	应用领域
德州仪器 - TI		开关
页数	文件大小	规格书
4页	201K
描述
INTEGRATED SWITCHING REGULATOR

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PT7707C 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	包装说明：	SURFACE MOUNT PACKAGE-27
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	1 week
风险等级：	5.76	Is Samacsys：	N
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	控制模式：	VOLTAGE-MODE
最大输入电压：	5.5 V	最小输入电压：	4.5 V
标称输入电压：	5 V	JESD-30 代码：	R-XSMA-G27
功能数量：	1	端子数量：	27
最高工作温度：	65 °C	最低工作温度：
最大输出电流：	18 A	封装主体材料：	UNSPECIFIED
封装等效代码：	SMSIP27H,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：	Switching Regulator or Controllers
表面贴装：	YES	切换器配置：	BUCK
最大切换频率：	750 kHz	技术：	HYBRID
温度等级：	COMMERCIAL	端子形式：	GULL WING
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	Base Number Matches：	1

PT7707C 数据手册

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

P T 7 7 0 7 S e r i e s

18 AMP “BIG-HAMMER” PROGRAMMABLE

INTEGRATED SWITCHING REGULATOR

Revised 7/24/98

The PT7707 is a new series of

high-performance, 18 Amp Integrated

ments of 18A.

The output voltage of the PT7707

can be easily programmed from 1.3V

to 3.5V with a 5 bit input compatible

with Intel’s Pentium II Processor.

A differential remote sense is also pro-

vided which automatically compensates

for any voltage drop from the ISR to

the load.

Switching Regulators (ISRs) housed in

a 27-pin SIP package. The 18A capa-

bility allows easy integration of the

latest high-speed, low-voltage µPs and

bus drivers into existing 5V systems.

The PT7707 series has been de-

signed to work in parallel with one or

more of the PT7749 - 18A current

boosters for increased I_outin incre-

Only 330µF of output capacitance

are required for proper operation.

Pin-Out Information

Pin Function

10 V_in

11 V_in

12 Remote Sense Gnd

13 GND

14 GND

15 GND

16 GND

17 GND

18 GND

Pin Function

19 GND

20 V_out

21 V_out

22 V_out

23 V_out

24 V_out

25 V_out

VID0

VID1

VID2

VID3

STBY* - Stand-by

VID4

V_in

Standard Application

PROGRAMMING PINS

VID0

VID1

VID2

VID3

VID4

REMOTE SENSE (+)

V_IN

V_OUT

20 - 25

PT7705

PT7707

1µH

C_IN

C_OUT

LOAD

SYNC OUT

GND

STBY*

REMOTE SENSE (-)

V_in

26 Remote Sense V

out

27 Sync Out

= Required 1200µF electrolytic

= Required 330µF electrolytic

out

L1 = Optional 1µH input choke

For STBY* pin; open = output enabled; ground = output

disabled.

Specifications

PT7707 SERIES

Characteristics

(T_a= 25°C unless noted)

Symbols

Conditions

Min

Typ

Max

Units

Output Current

I_o

T_a= +60°C, 200 LFM, pkg N

T_a= +25°C, natural convection

0.1^*

—

18^**

15^**

0.1^*

Input Voltage Range

V_in

0.1A ≤ I_o≤ 15A

4.5^***

—

5.5

Output Voltage Tolerance

∆V_o

V_in= +5V, I_o= 15A

V^o-0.03

—

Vo+0.03

0°C ≤ T_a≤ +65°C

Line Regulation

Load Regulation

V_oRipple/Noise

Reg_line

Reg_load

V_n

4.5V ≤ V_in≤ 5.5V, I_o= 15A

V_in= +5V, 0.1 ≤ I_o≤ 15A

V_in= +5V, I_o= 15A

—

±10

—

Transient Response

with C_out= 330µF

t_tr

I_ostep between 7.5A and 15A

V_oover/undershoot

—

100

200

—

µSec

V_os

Efficiency

V_in= +5V, I_o= 10A

V_o= 3.3V

V_o= 2.9V

V_o= 2.5V

V_o= 1.8V

V_o= 1.5V

—

Switching Frequency

ƒ_o

4.5V ≤ V_in≤ 5.5V

0.1A ≤ I_o≤ 15A

650

700

—

750

+85

kHz

°C

Absolute Maximum

T_a

T_s

—

Operating Temperature Range

Recommended Operating

Temperature Range

Forced Air Flow = 200 LFM

Over V_{in and}I_oRanges

—

+65****

+125

°C

Storage Temperature

Mechanical Shock

—

-40

Per Mil-STD-883D, Method 2002.3

1 msec, Half Sine, mounted to a fixture

—

500

—

G’s

Mechanical Vibration

Per Mil-STD-883D, Method 2007.2,

20-2000 Hz, Soldered in a PC board

G’s

Weight

—

Vertical/Horizontal

31/41

grams

* ISR-will operate down to no load with reduced specifications. Please note that this product is not short-circuit protected.

**The PT7707 series can be easily paralleled with one or more of the PT7749 Current Boosters to provide increased output current in increments of 18A.

*** The minimum input voltage is 4.5V or V +1.2V, whichever is greater. ****See SOA curves.

out

Output Capacitors: The PT7707 series requires a minimum ouput capacitance of 330µF for proper operation. Do not use Oscon type capacitors. The maximum allow-

able output capacitance is 15,000µF.

Input Filter: An input filter is optional for most applications. The input inductor must be sized to handle 18ADC with a typical value of 1µH. The input capacitance must be

rated for a minimum of 1.3Arms of ripple current. For transient or dynamic load applications, additional capacitance may be required.

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

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与PT7707C相关器件

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PT7707N	ETC	获取价格	Analog IC
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PT7708N	TI	获取价格	20A SWITCHING REGULATOR, 400kHz SWITCHING FREQ-MAX, MSMA27, VERTICAL MOUNT PACKAGE-27
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