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參數資料
| 型號： | TPS92001DGKR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | FLUORESCENT LIGHT CONTROLLER, 110 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, MSOP-8 |
| 文件頁數： | 15/19頁 |
| 文件大小： | 917K |
| 代理商： | TPS92001DGKR |
1
2
3
4
8
7
6
5
CS
SS
RTC
RTD
REF
VDD
GD
GND
DGKPackage
(TopView)
CS
SS
RTC
RTD
REF
VDD
GD
GND
DPackage
(TopView)
1
2
3
4
8
7
6
5
(
)
RISE
CT
RTC
t
0.74
C
27 pF
R
=
+
(
)
FALL
CT
RTD
t
0.74
C
27 pF
R
=
+
www.ti.com
SLUSA24A – FEBRUARY 2010 – REVISED NOVEMBER 2010
ORDERING INFORMATION
THRESHOLD
OPERATING
ORDERABLE
TRANSPORT
TEMPERATURE
PACKAGE
DEVICE
PINS
QUANTITY
TURN-
MEDIA
RANGE TA
NUMBER
ON
OFF
TPS92001DGK
Tube
80
Plastic Small Outline (MSOP)
TPS92001DGKR
Tape and Reel
2500
10
TPS92001D
Tube
75
Plastic Small Outline (SOIC)
TPS92001DR
Tape and Reel
2500
–40°C to 85°C
8
TPS92002DGK
Tube
80
Plastic Small Outline (MSOP)
TPS92002DGKR
Tape and Reel
2500
15
TPS92002D
Tube
75
Plastic Small Outline (SOIC)
TPS92002DR
Tape and Reel
2500
DEVICE INFORMATION
TPS92001/2
PIN FUNCTIONS
PIN
I/O
DESCRIPTION
NAME
NO.
This pin is the summing node for current sense feedback, voltage sense feedback (by optocoupler) and slope
compensation. Slope compensation is derived from the rising voltage at the timing capacitor and can be buffered
with an external small signal NPN transistor. External high frequency filter capacitance applied from this node to
CS
1
I
GND is discharged by an internal 250ohm on resistance NMOS FET during PWM off time. It offers effective
leading edge blanking, with the delay set by the RC time constant of the feedback resistance from current sense
resistor to CS input and the high frequency filter capacitor at this node to GND.
GND
5
–
Reference ground and power ground for all functions.
This pin is the high current power driver output. A minimum series gate resistor of 3.9
Ω is recommended to limit
GD
6
O
the gate drive current when operating with high-bias voltages.
The internal 5-V reference output. This reference is buffered and is available on the REF pin. The REF pin should
REF
8
O
be bypassed with a 0.47-F ceramic capacitor to GND.
This pin connects to timing resistor RRTC , and controls the positive ramp (rise) time of the internal oscillator (see
Equation 1). The positive threshold of the internal oscillator is sensed through inactive timing resistor RRTD which
connects to pin RTD and timing capacitor, CCT.
RTC
3
I
(1)
This pin connects to timing resistor RTD and controls the negative ramp (fall) time of the internal oscillator (see
Equation 2). The negative threshold of the internal oscillator is sensed through inactive timing resistor RRTC which
connects to pin RTC and timing capacitor, CCT.
RTD
4
I
(2)
This pin serves two functions. The soft start timing capacitor connects to SS and is charged by an internal 6-A
current source. Under normal soft-start, the SS pin is discharged to at least 0.4 V and then ramps positive to 1 V
SS
2
I
during which time the output driver is held low. As the SS pin charges from 1 V to 2 V, the soft-start is
implemented by an increasing output duty cycle. If the SS pin is taken below 0.5 V, the output driver is inhibited
and held low. The user accessible 5-V voltage reference also goes low and IVDD = 100 A
The power input connection for this device. This pin is shunt regulated at 17.5 V which is sufficiently below the
VDD
7
I
voltage rating of the DMOS output driver stage. VDD should be bypassed with a 1-F ceramic capacitor.
Copyright 2010, Texas Instruments Incorporated
5
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相關代理商/技術參數 |
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|---|---|
| TPS92001DR | 功能描述:LED照明驅動器 Gen Pur LED Lighting PWM Controller RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS92001EVM-628 | 功能描述:LED 照明開發工具 TPS92001EVM-628 Eval Mod RoHS:否 制造商:Fairchild Semiconductor 產品:Evaluation Kits 用于:FL7732 核心: 電源電壓:120V 系列: 封裝: |
| TPS92001EVM-645 | 功能描述:電源管理IC開發工具 EVAL MOD FOR GEN PURP PWM CONTROLLER RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS92002 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:GENERAL PURPOSE LED LIGHTING PWM CONTROLLER |
| TPS92002D | 功能描述:LED照明驅動器 Gen Pur LED Lighting PWM Controller RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
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