參數(shù)資料
型號: TPS62020DRC
廠商: Texas Instruments, Inc.
英文描述: 600 mA/1.25 MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
中文描述: 600 mA/1.25兆赫高效降壓型轉(zhuǎn)換器
文件頁數(shù): 3/18頁
文件大?。?/td> 425K
代理商: TPS62020DRC
www.ti.com
ELECTRICAL CHARACTERISTICS
V
I
= 3.6 V, V
O
= 1.8 V, I
O
= 600 mA, EN = VIN, T
A
= -40
°
C to 85
°
C, typical values are at T
A
= 25
°
C (unless otherwise noted)
(1)
PIN ASSIGNMENTS
1
2
3
4
5
10
9
8
7
6
EN
VIN
VIN
GND
FB
PGND
PGND
SW
SW
MODE
DGQ PACKAGE
(TOP VIEW)
NOTE
:
The PowerPAD must be connected to GND.
1
2
3
4
5
10
9
8
7
6
EN
VIN
VIN
GND
FB
PGND
PGND
SW
SW
MODE
DRC PACKAGE
(TOP VIEW)
TPS62020, TPS62021
SLVS076B–JUNE 2003–REVISED APRIL 2004
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
V
I
I
(Q)
I
SD
V
UVLO
ENABLE AND MODE
V
EN
V
EN
I
EN
V
(MODE)
V
(MODE)
I
(MODE)
POWER SWITCH
Input voltage range
Operating quiescent current
Shutdown supply current
Under-voltage lockout threshold
2.5
6.0
35
V
μA
μA
V
I
O
= 0 mA, device is not switching
EN = GND
18
0.1
1
1.5
2.3
EN high level input voltage
EN low level input voltage
EN input bias current
MODE high level input voltage
MODE low level input voltage
MODE input bias current
1.4
V
V
μA
V
V
μA
0.4
1.0
EN = GND or VIN
0.01
1.4
0.4
1.0
MODE = GND or VIN
0.01
P-channel MOSFET on-resistance
P-channel MOSFET on-resistance
P-channel leakage current
N-channel MOSFET on-resistance
N-channel MOSFET on-resistance
N-channel leakage current
P-channel current limit
Thermal shutdown
OSCILLATOR
V
I
= V
GS
= 3.6 V
V
I
= V
GS
= 2.5 V
V
DS
= 6.0 V
V
I
= V
GS
= 3.6 V
V
I
= V
GS
= 2.5 V
V
DS
= 6.0 V
2.5 V < V
I
< 6.0 V
115
145
210
270
1
200
280
1
1.3
m
m
μA
m
m
μA
A
°
C
r
DS(ON)
I
lkg(P)
85
115
r
DS(ON)
I
Ikg(N)
I
L
0.9
1.1
150
V
FB
= 0.5 V
V
FB
= 0 V
1
1.25
625
1.5
MHz
kHz
f
S
Oscillator frequency
OUTPUT
V
O
V
ref
Adjustable output voltage range
Reference voltage
0.7
V
IN
V
V
V
V
0.5
V
I
= 2.5 V to 6.0 V; I
O
= 0 mA
V
I
= 2.5 V to 6.0 V; 0 mA
I
O
600 mA
V
I
= V
O
+ 0.5 V (min 2.5 V) to 6.0 V, I
O
= 10 mA
I
O
= 10 mA to 1200 mA
V
I
> V
O
, 0 V
V
SW
V
I
V
I
= open; EN = GND; V
SW
= 6.0 V
V
FB
= 0 V
0%
-3%
3%
3%
V
FB
Feedback voltage
Line regulation
(1)
Load regulation
(1)
Leakage current into SW pin
Reverse leakage current into pin SW
Short circuit switching frequency
0
0
%/V
%/mA
μA
μA
kHz
0.1
0.1
625
1
1
I
Ikg(SW)
f
(1)
The line and load regulations are digitally controlled to assure an output voltage accuracy of
±
3%.
3
相關(guān)PDF資料
PDF描述
TPS62021DRC 600 mA/1.25 MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
TPS62026DRC 600 mA/1.25 MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
TPS6205 800-mA SYNCHRONOUS STEP-DOWN CONVERTER
TPS63700DRC DC-DC INVERTER
TPS65010RGZ POWER AND BATTERY MANAGEMENT IC FOR Li-ION POWERED SYSTEMS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS62020DRCR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 600mA Hi-Eff Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62020DRCRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 600mA Hi-Eff Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62020EVM-019 功能描述:電源管理IC開發(fā)工具 TPS62020-019 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)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
TPS62021DGQR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 600mA Hi-Eff Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62021DGQRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 600mA Hi-Eff Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5