Datasheet 搜索 > DC/DC转换器 > TI（德州仪器） > TPS62046DGQR 数据手册 > TPS62046DGQR 数据手册 2/30 页
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TPS62046DGQR 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
DC/DC转换器
封装:
PowerPad-MSOP-10
描述:
1.2 / 1.25 MHz的高效率降压转换器 1.2 A/1.25 MHz, HIGH-EFFICIENCY STEP-DOWN CONVERTER
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P4Hot
典型应用电路图在P1P17
原理图在P5
封装尺寸在P18P19P21P22P23
型号编码规则在P2
标记信息在P2P18P19P20
封装信息在P18P19P20P21P22P23
技术参数、封装参数在P2
应用领域在P1P17P30
电气规格在P3
导航目录
TPS62046DGQR数据手册
Page:
of 30 Go
若手册格式错乱，请下载阅览PDF原文件
TPS62040
TPS62042, TPS62043
TPS62044, TPS62046
SLVS463B − JUNE 2003 − REVISED OCTOBER 2005
www.ti.com
2
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during
storage or handling to prevent electrostatic damage to the MOS gates.
ORDERING INFORMATION
T
VOLTAGE OPTIONS
PACKAGE PACKAGE MARKING
T
A
VOLTAGE OPTIONS
MSOP
(1)
QFN
(2)
MSOP QFN
Adjustable TPS62040DGQ TPS62040DRC BBI BBO
1.5 V TPS62042DGQ TPS62042DRC BBL BBS
−40°C to 85°C
1.6 V TPS62043DGQ TPS62043DRC BBM BBT
40 C to 85 C
1.8 V TPS62044DGQ TPS62044DRC BBN BBU
3.3 V TPS62046DGQ TPS62046DRC BBQ BBW
(1)
The DGQ package is available in tape and reel. Add R suffix (DGQR) to order quantities of 2500 parts per reel.
(2)
The DRC package is available in tape and reel. Add R suffix (DRCR) to order quantities of 3000 parts per reel.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range unless otherwise noted
(1)
UNITS
Supply voltage VIN
(2)
−0.3 V to 7 V
Voltages on EN, MODE, FB, SW
(2)
−0.3 V to V
CC
+0.3 V
Continuous power dissipation See Dissipation Rating Table
Operating junction temperature range −40°C to 150°C
Storage temperature range −65°C to 150°C
Lead temperature (soldering, 10 sec) 260°C
(1)
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
All voltage values are with respect to network ground terminal.
PACKAGE DISSIPATION RATINGS
PACKAGE R
Q
JA
(1)
T
A
≤ 25°C
POWER RATING
T
A
= 70°C
POWER RATING
T
A
= 85°C
POWER RATING
MSOP 60°C/W 1.67 W 917 mW 667 mW
QFN 48.7°C/W 2.05 W 1.13 W 821 mW
(1)
The thermal resistance, R
Θ
JA
is based on a soldered PowerPAD using thermal vias.
RECOMMENDED OPERATING CONDITIONS
MIN TYP MAX UNIT
V
I
Supply voltage 2.5 6.0 V
V
O
Output voltage range for adjustable output voltage version 0.7 V
I
V
I
O
Output current 1.2 A
L Inductor
(1)
6.2 µH
C
I
Input capacitor
(1)
22 µF
C
O
Output capacitor
(1)
22 µF
T
A
Operating ambient temperature −40 85 °C
T
J
Operating junction temperature −40 125 °C
(1)
Refer to application section for further information
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