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參數(shù)資料
| 型號(hào)： | RT8058GQW |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | 1MHz, 2A, High Efficiency PWM Step-Down DC/DC Converter |
| 中文描述： | 1MHz的，甲，高效率的PWM降壓型DC / DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 3/15頁(yè) |
| 文件大?。?/td> | 248K |
| 代理商： | RT8058GQW |
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RT8058
Preliminary
3
DS8058-02 August 2007
www.richtek.com
Absolute Maximum Ratings
(Note 1)
l
Supply Input Voltage VDD, PVDD ------------------------------------------------------------------------------------
0.3V to 6V
l
LX Pin Switch Voltage --------------------------------------------------------------------------------------------------
0.3V to 6V
l
Other I/O Pin Voltage ---------------------------------------------------------------------------------------------------
0.3V to 6V
l
Power Dissipation, P
D
@ T
A
= 25
°
C
WQFN-6L 3x3 ------------------------------------------------------------------------------------------------------------ 1.471W
l
Package Thermal Resistance (Note 4)
WQFN-16L 3x3,
θ
JA
----------------------------------------------------------------------------------------------------- 68
°
C/W
WQFN-16L 3x3,
θ
JC
----------------------------------------------------------------------------------------------------- 7
°
C/W
l
Lead Temperature (Soldering, 10 sec.)------------------------------------------------------------------------------ 260
°
C
l
Storage Temperature Range -------------------------------------------------------------------------------------------
65
°
C to 150
°
C
l
Junction Temperature --------------------------------------------------------------------------------------------------- 150
°
C
l
ESD Susceptibility (Note 2)
HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------------- 200V
Electrical Characteristics
(V
DD
= V
PVDD
= 3.6V, T
A
= 25
°
C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Input Voltage Range
V
IN
2.6
--
5.5
V
Feedback Voltage
V
FB
0.582
0.6
0.618
V
DC Bias Current
(PVDD, VDD total)
Active, No Load
--
3.4
--
mA
Active, Not Switching, V
FB
= 0.5V
Shutdown, EN = 0
--
340
--
μ
A
--
--
2
μ
A
Under voltage Lockout
Threshold
UVLO
V
DD
Rising
2.3
2.43
2.55
V
V
DD
Hysteresis
Switching Frequency
--
150
--
mV
Oscillator Frequency
f
OSC
0.75
1.0
1.25
MHz
EN High-Level Input Voltage
V
EN_H
V
EN_L
R
DS(ON)_P
I
OUT
= 200mA
1.4
--
--
V
EN Low-Level Input Voltage
--
--
0.4
V
Switch On Resistance, High
--
142
210
m
Switch On Resistance, Low
R
DS(ON)_N
I
OUT
= 200mA
I
LIM
--
96
160
m
Peak Current Limit
2.2
3
--
A
Output Voltage Line Regulation
V
IN
= 2.6V to 5.5V
I
LOAD
= 0A
à
2A
--
0.05
--
%/V
Output Voltage Load Regulation
--
0.15
--
%/A
Recommended Operating Conditions
(Note 3)
l
Supply Input Voltage ---------------------------------------------------------------------------------------------------- 2.6V to 5.5V
l
Junction Temperature Range ------------------------------------------------------------------------------------------
40
°
C to 125
°
C
l
Ambient Temperature Range ------------------------------------------------------------------------------------------
40
°
C to 85
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RT8058PQW | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:1MHz, 2A, High Efficiency PWM Step-Down DC/DC Converter |
| RT8059 | 制造商:RICHTEK 功能描述:1.5MHz,1A,High Efficiency PWM Step-Down DC/DC Converter |
| RT8059GJ5 | 功能描述:IC REG BUCK SYNC ADJ 1A TSOT23-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:5 V ~ 25 V 輸入電壓:2.3 V ~ 5.5 V PWM 型:電流模式 頻率 - 開關(guān):600kHz，1.2MHz 電流 - 輸出:1A 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 包裝:管件 供應(yīng)商設(shè)備封裝:8-MSOP |
| RT8060 | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:1.5MHz, 1A High Efficiency Step-Down Converter |
| RT8060A | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:1.5MHz, 1A High Efficiency Step-Down Converter |
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