PT6643E

更新时间： 2024-11-09 13:02:31

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
6页	127K
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数据手册

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PT6643E 数据手册

PT6640 Series

24W 12V Input Positive to Negative

Voltage Converter

SLTS037A

(Revised 6/30/2000)

The PT6640 series is a positive

input to negative output line of

Integrated Switching Regulators

(ISRs). Designed for general purpose

applications, the PT6640 series deliv-

ers a negative output voltage at up

to 24W. The PT6640 is packaged in

a 14-Pin SIP (Single In-line Package)

and is available in a surface-mount

configuration.

•

Wide Input Voltage Range:

+8V to +25V

Negative Output:

–2.5V/4A to –15V/1.5A

Adjustable Output Voltage

85% Efficiency

•

Remote Sense Capability

Pin-Out Information

Ordering Information

PT6641 = –3.3 Volts

PT6642 = –5.0 Volts

PT6643 = –12.0 Volts

PT6644 = –9.0 Volts

PT6645 = –15.0 Volts

PT6646 = –2.5 Volts

PT Series Suffix

Case/Pin

Configuration

(PT1234X)

Remote Sense

Do Not Connect

+V_in

Heat

Spreader

Standard Application

Vertical Through-Hole

V_IN

-V_OUT

7,8,9,10

4,5,6

Horizontal Through-Hole

Horizontal Surface Mount

+V_in

PT6640

+V_in

11,12,13

–V_out

LOAD

C₁

C₂

–V_out

GND

COM

REMOTE SENSE

COM

Pkg Style 400

Note: Back surface

of product is

conducting metal

C₁= Required 560µF electrolytic

₂= Required 330µF electrolytic

PT6640

_outAdjust

Specifications

PT6640 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 P

0.1

—

(See Note 2)

T_a= 25°C, natural convection V_o≤ – 5.0V

0.1

4.0

2.5

2.0

1.5

V_o= – 9.0V

V_o= – 12.0V

V_o= – 15.0V

Input Voltage Range

V_in

0.1A ≤ I_o≤ I_omax

V_o= –2.5V/3.3V

V_o= – 5.0V

—

+27

+25

+21

+18

+15

_o= – 9.0V

_o= – 12.0V

V_o= – 15.0V

Output Voltage Tolerance

∆V_o

Over V_inrange

V^o-0.1

—

Vo+0.1

T_a= -40°C to +65°C

Output Voltage Adjust Range

V_oadj

Pin 14 to V_oor ground

V_o= – 2.5V

V_o= – 3.3V

–1.8

–2.2

–3.0

–6.0

–9.0

–10.0

—

–4.3

–4.7

_o= – 5.0V

–6.5

V_o= – 9.0V

_o= –12.0V

V_o= –15.0V

–10.2

–13.6

–17.0

Line Regulation

Load Regulation

V_oRipple/Noise

Reg_line

Reg_load

V_n

+9V≤V_in≤+V_inmax, I_o= I_omax

V_in= +12V, 0.1≤ I_o≤I_omax

V_in= +12V, I_o= I_omax

—

0.5

3.0

1.0

—

%V_o

Transient Response

with C₂= 330µF

t_tr

I_ostep between 0.5xI_omax and I_omax

V_oover/undershoot

—

200

100

—

µSec

V_os

Efficiency

_in= +12V, I_o= 0.5x I_omax

V_o= – 2.5V

—

_o= – 3.3V

V_o= – 5.0V

_o= –9.0/12.0V

V_o= –15.0V

_in= +12V, I_o= I_omax

V_o= – 2.5V

—

_o= – 3.3V

_o= – 5.0V

V_o= –9.0/12.0/15.0V

Continued

For technical support and more information, see inside back cover or visit www.ti.com/powertrends

12 3 4 5 6

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与PT6643E相关器件

型号	品牌	获取价格	描述	数据表
PT6643F	TI	获取价格	IC SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PSMA14, SIP-14, Switching Regulator or
PT6644	TI	获取价格	24W 12V Input Positive to Negative Voltage Converter
PT6644D	ROCHESTER	获取价格	2.5A SWITCHING REGULATOR, 600kHz SWITCHING FREQ-MAX, SMA14, ROHS COMPLIANT, SIP-14
PT6644E	ROCHESTER	获取价格	2.5A SWITCHING REGULATOR, 600kHz SWITCHING FREQ-MAX, SMA14, ROHS COMPLIANT, SMD-14
PT6644E	TI	获取价格	2.5A SWITCHING REGULATOR, 600kHz SWITCHING FREQ-MAX, SMA14, ROHS COMPLIANT, SMD-14
PT6644G	TI	获取价格	SWITCHING REGULATOR, 600kHz SWITCHING FREQ-MAX, PSMA14, SIP-14
PT6644L	TI	获取价格	暂无描述
PT6644M	TI	获取价格	SWITCHING REGULATOR, 600kHz SWITCHING FREQ-MAX, PSMA14, SIP-14
PT6644P	TI	获取价格	2.5A SWITCHING REGULATOR, 600kHz SWITCHING FREQ-MAX, SMA14, ROHS COMPLIANT, SIP-14
PT6644P	ROCHESTER	获取价格	2.5A SWITCHING REGULATOR, 600kHz SWITCHING FREQ-MAX, SMA14, ROHS COMPLIANT, SIP-14

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