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器件3D模型￥ 11.706
TPS659109A1RSLR 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
电源管理
封装:
VQFN-48
描述:
集成的电源管理单元顶部规范 Integrated Power Management Unit Top Specification
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P21
原理图在P4
封装尺寸在P23P25P27P28
型号编码规则在P2
标记信息在P2P25P26
封装信息在P1P2P25P26P27P28
技术参数、封装参数在P2
应用领域在P1P30
电气规格在P3
导航目录
TPS659109A1RSLR数据手册
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CSP-6
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100 1000
I -LoadCurrent-mA
O
0
20
40
60
80
100
120
140
160
180
200
Efficiency-%
PowerLoss-mW
V =3.6V,
V =1.8V
I
O
Efficiency
PFM/PWMOperation
PowerLoss
PFM/PWMOperation
VIN
SW
FB
MODE
EN
GND
V
OUT
1.8V@350mA
C
2.2 F
I
m
TPS6261x
L
0.47 Hm
C
4.7 F
O
m
V
BAT
2.9V..5.5V
TPS62619, TPS62612
TPS62615, TPS62616
www.ti.com
SLVS936A –NOVEMBER 2009–REVISED MARCH 2010
350-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
IN LOW PROFILE CHIP SCALE PACKAGING (HEIGHT < 0.4mm)
Check for Samples: TPS62619, TPS62612, TPS62615, TPS62616
1
FEATURES
23
• 90% Efficiency at 6MHz Operation
DESCRIPTION
• 31mA Quiescent Current
The TPS6261x device is a high-frequency
• Wide V
IN
Range From 2.3V to 5.5V
synchronous step-down dc-dc converter optimized for
• 6MHz Regulated Frequency Operation
battery-powered portable applications. Intended for
low-power applications, the TPS6261x supports up to
• Best in Class Load and Line Transient
350-mA load current, and allows the use of low cost
• ±2% Total DC Voltage Accuracy
chip inductor and capacitors.
• Automatic PFM/PWM Mode Switching
With a wide input voltage range of 2.3V to 5.5V, the
• Low Ripple Light-Load PFM Mode
device supports applications powered by Li-Ion
• >50dB V
IN
PSRR (1kHz to 10kHz)
batteries with extended voltage range. Different fixed
voltage output versions are available from 1.2V to
• Internal Soft-Start, 100-ms Start-Up Time
2.3V.
• Integrated Active Power-Down Sequencing
(Optional)
The TPS6261x operates at a regulated 6-MHz
switching frequency and enters the power-save mode
• Three Surface-Mount External Components
operation at light load currents to maintain high
Required (One 0603 MLCC Inductor, Two 0402
efficiency over the entire load current range.
Ceramic Capacitors)
The PFM mode extends the battery life by reducing
• Complete Sub 0.4-mm Component Profile
the quiescent current to 31mA (typ) during light load
Solution
operation. For low-frequency noise-sensitive
• Total Solution Size <10 mm
2
applications, the device can be forced into fixed
• Available in a 6-Pin NanoFree™ (CSP)
frequency PWM mode by pulling the MODE pin high.
Ultra-Thin Packaging These features, combined with high PSRR and AC
load regulation performance, make this device
suitable to replace a linear regulator to obtain better
APPLICATIONS
power conversion efficiency.
• Cell Phones, Smart-Phones
The TPS6261x is available in an 6-pin thin chip-scale
• WLAN, GPS and Bluetooth™ Applications
package (CSP, 0.4mm max. height).
• DTV Tuner Applications
• DC/DC Micro Modules
l
l
Figure 2. Efficiency vs. Load Current
Figure 1. Smallest Solution Size Application
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2NanoFree is a trademark of Texas Instruments.
3Bluetooth is a trademark of Bluetooth SIG, Inc.
UNLESS OTHERWISE NOTED this document contains
Copyright © 2009–2010, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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