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参数资料
型号： TPS62040DRCRG4
厂商： TEXAS INSTRUMENTS INC
元件分类： 稳压器
英文描述： 2.2 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO10
封装： 3 X 3 MM, GREEN, PLASTIC, SON-10
文件页数： 23/30页
文件大小： 790K
代理商： TPS62040DRCRG4
TPS62040
TPS62042, TPS62043
TPS62044, TPS62046
SLVS463B JUNE 2003 REVISED OCTOBER 2005
www.ti.com
3
ELECTRICAL CHARACTERISTICS
VI = 3.6 V, VO = 1.8 V, IO = 600 mA, EN = VIN, TA = 40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)(1)
SUPPLY CURRENT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI
Input voltage range
2.5
6.0
V
I(Q)
Operating quiescent current
IO = 0 mA, device is not switching
18
35
A
ISD
Shutdown supply current
EN = GND
0.1
1
A
VUVLO
Undervoltage lockout threshold
1.5
2.3
V
ENABLE AND MODE
VEN
EN high level input voltage
1.4
V
VEN
EN low level input voltage
0.4
V
IEN
EN input bias current
EN = GND or VIN
0.01
1.0
A
V(MODE)
MODE high level input voltage
1.4
V
V(MODE)
MODE low level input voltage
0.4
V
I(MODE)
MODE input bias current
MODE = GND or VIN
0.01
1.0
A
POWER SWITCH
r
P-channel MOSFET onresistance
VI = VGS = 3.6 V
115
210
m
rDS(ON)
P-channel MOSFET onresistance
VI = VGS = 2.5 V
145
270
m
Ilkg(P)
P-channel leakage current
VDS = 6.0 V
1
A
r
N-channel MOSFET onresistance
VI = VGS = 3.6 V
85
200
m
rDS(ON)
N-channel MOSFET onresistance
VI = VGS = 2.5 V
115
280
m
IIkg(N)
N-channel leakage current
VDS = 6.0 V
1
A
IL
P-channel current limit
2.5 V < VI< 6.0 V
1.5
1.85
2.2
A
Thermal shutdown
150
°C
OSCILLATOR
f
Oscillator frequency
VFB = 0.5 V
1
1.25
1.5
MHz
fS
Oscillator frequency
VFB = 0 V
625
kHz
OUTPUT
VO
Adjustable output voltage range
TPS62040
0.7
VIN
V
Vref
Reference voltage
0.5
V
VFB
Feedback voltage
TPS62040
Adjustable
VI = 2.5 V to 6.0 V; IO= 0 mA
VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A
0%
3%
TPS62042
1.5V
VI = 2.5 V to 6.0 V; IO = 0 mA
VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A
0%
3%
V
Fixed output voltage
TPS62043
1.6V
VI = 2.5 V to 6.0 V; IO = 0 mA
VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A
0%
3%
VO
Fixed output voltage
TPS62044
1.8V
VI = 2.5 V to 6.0 V; IO = 0 mA
VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A
0%
3%
TPS62046
3.3V
VI = 3.6 V to 6.0 V; IO = 0 mA
VI = 3.6 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A
0%
3%
Line regulation(1)
VI = VO + 0.5 V (min. 2.5 V) to 6.0 V,
IO = 10 mA
0
%/V
Load regulation(1)
IO = 10 mA to 1200 mA
0
%/mA
I
Leakage current into SW pin
VI>VO, 0 V ≤ Vsw ≤ VI
0.1
1
A
IIkg(SW)
Reverse leakage current into pin SW
VI = open; EN = GND; VSW = 6.0 V
0.1
1
A
f
Short circuit switching frequency
VFB = 0 V
625
kHz
(1) The line and load regulations are digitally controlled to assure an output voltage accuracy of ±3%.
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TPS62042DGQR 功能描述:直流/直流开关调节器 1.5V Out/1.2A Hi-Eff Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
TPS62042DGQRG4 功能描述:直流/直流开关调节器 1.5V Out/1.2A Hi-Eff Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
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