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TS1451 데이터시트 PDF




Taiwan Semiconductor에서 제조한 전자 부품 TS1451은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 TS1451 자료 제공

부품번호 TS1451 기능
기능 Dual Channel PWM Controller
제조업체 Taiwan Semiconductor
로고 Taiwan Semiconductor 로고


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TS1451 데이터시트, 핀배열, 회로
SOP-16
DIP-16
TS1451
Dual Channel PWM Controller
Supply Voltage Range 3.6 V to 40V
Output Driving Current 20mA
Oscillator Frequency up to 500KHz
General Description
The TS1451 integrates dual channel PWM control circuit into a single chip, mainly designs for power supply regulator.
All the functions included an on-chip 2.5V reference output, two error amplifiers, and adjustable oscillator, two
dead-time comparators, under voltage lock out, short circuit protection, and dual common-emitter output transistor
circuit.
Recommend the output CE transistors as pre-driver for driving extremely. the dead time control can provide from 0% to
100%. Switching frequency can be adjustable by trimming RT and CT. During low Vcc situation, the under voltage lock
out makes sure that the output are off until the internal circuit is operational normally.
The TS1451 is offered in SOP-16 and DIP-16 package.
Features
Pin Assignments
— Dual PWM Power Control Circuitry
— Operating Voltage Can be up to 50V
— Adjustable Dead Time Control (DTC)
— Under Voltage Lock Out protection (UVLO)
— Short Circuit Protection (SCP)
— Variable Oscillator Frequency up to 500KHz
— 2.5V Voltage Reference Output
Applications
— Backlight Inverter
— DC to DC Converters in Computers
Ordering Information
Part No.
TS1451CD
TS1451CS
Operating Temp.
0 ~ +70 oC
Package
DIP-16
SOP-16
Pin Descriptions
Name
CT
RT
EA+
EA-
FB
DTC
Out
Gnd
Vcc
SCP
Ref
Descriptions
Timing Capacitor
Timing Resistor
Error Amplifier Input (+)
Error Amplifier Input (-)
Feedback Loop Compensation
Dead Time Control
Pre-Driver Output
Ground
Supply Voltage
Short Circuit Protection
Voltage Reference
TS1451
1-7
2003/12 rev. A
Free Datasheet http://www.datasheet4u.com/




TS1451 pdf, 반도체, 판매, 대치품
Electrical Characteristics (Continued)
ERROR AMPLIFIER SECTION
Parameter
Input offset voltage
Input offset current
Input bias current
Common-mode input voltage range
Open-loop voltage amplification
Unity-gain bandwidth
Common-mode rejection ratio
Maximum output voltage
Minimum output voltage
Output sink current (FB)
Output source current (FB)
PWM COMPARATOR SECTION
Parameter
Input threshold voltage (FB)
f= 10KHz
Input sink current (pin 3)
TOTAL DEVICE
Parameter
Standby supply current
Average supply current
Test Conditions
Vo(FB)= 1.25V
Vo(FB)= 1.25V
Vo(FB)= 1.25V
Vcc= 3.6V to 40V
Rf= 200K
VID= -0.1, Vo= 1.25V
VID= 0.1, Vo= 1.25V
Test Conditions
Zero duty cycle
Maximum duty cycle
Test Conditions
Off-state
RT= 10K
Min Typ Max
-- -- +/- 6
-- -- +/- 100
-- 160 500
1.05 to 1.45
70 80
--
-- 1.5 --
60 80
--
Vref-0.1
--
--
-- -- 1
0.5 1.6
--
-45 -70
--
Unit
mV
nA
nA
V
dB
MHz
dB
V
V
mA
uA
Min Typ Max Unit
-- 2.05 2.25 V
1.2 1.45
--
mA
Min Typ Max Unit
-- 2.5 3.0 mA
-- 2.8 3.5
TS1451
4-7
2003/12 rev. A
Free Datasheet http://www.datasheet4u.com/

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TS1451 전자부품, 판매, 대치품
SOP-16 Mechanical Drawing
R
M
SOP-16 DIMENSION
DIM
MILLIMETERS
MIN MAX
INCHES
MIN MAX
A
9.80
10.00
0.386
0.393
B 3.80
4.00 0.150 0.157
C 1.35
1.75 0.054 0.068
D 0.35
0.49 0.014 0.019
F 0.40
1.25 0.016 0.049
G 1.27 (typ)
0.05 (typ)
K 0.10
M 0o
0.25
7o
0.004
0o
0.009
7o
P 5.80
F R 0.25
6.20 0.229 0.244
0.50 0.010 0.019
A
16
1
G
DIP-16 Mechanical Drawing
9
B
8
NC
K
D
DIP-16 DIMENSION
DIM
MILLIMETERS
MIN MAX
INCHES
MIN MAX
A 17.80 18.05 0.701 0.710
B 6.22
6.48
0.290
0.299
C 3.18
4.45
0.125
0.135
D 0.35
0.55
0.019
0.020
L
G 1.27 (typ)
0.05 (typ)
J
0.25
0.31
0.010
0.012
K 3.25
3.35
0.128
0.132
J
L
7.75
8.00
0.305
0.315
M - 10o - 10o
M
TS1451
7-7
2003/12 rev. A
Free Datasheet http://www.datasheet4u.com/

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관련 데이터시트

부품번호상세설명 및 기능제조사
TS1451

Dual Channel PWM Controller

Taiwan Semiconductor
Taiwan Semiconductor

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