参数资料
| 型号： | SCCSP900842R2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC POWER MGT 36-WLCSP |
| 标准包装： | 3,000 |
| 应用： | PC，PDA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-UFBGA，WLCSP |
| 供应商设备封装： | 36-WLCSP |
| 包装： | 带卷 (TR) |
Freescale Semiconductor
Advance Information
Buck-Boost DC/DC and LDO
Power Management IC
The 900842 is comprised of a fully integrated, 4-switch
synchronous Buck-Boost DC/DC regulator and a low noise, low
dropout linear regulator (LDO).
The 900842 is supplied from a single Li-Ion battery cell, and steps
up or down an input voltage range of 3.0 to 4.4 V to provide a fixed
output voltage of 3.3 V. It provides two pins to monitor the status of
the IC: a digital status signal, and an analog voltage proportional to
the average output current.
The 900842 is housed in a 3x3 mm, Pb-free, wafer level chip scale
package (WLCSP) with a 0.4 mm pitch.
Features
? Operates from a single Li-Ion cell 3.0 V ≤ V IN ≤ 4.4 V
? Fixed 3.3 V output voltage
Document Number: SC900842
Rev. 2.0, 11/2010
900842
POWER MANAGEMENT
3.064 X 3.064
98ASA00004D
36-PIN WLCSP
?
Uses internal MOSFETS
Device
?
?
?
?
1.625 MHz PWM switching frequency
Seamless transition between Buck and Boost modes
Peak current limiting and output current reporting
Uses internal compensation
ORDERING INFORMATION
Temperature
Range (T A )
Package
? Low-power operating mode
Applications
SCCSP900842/R2
-40 °C to 85 °C
36-PIN
WLCSP
? Mobile internet devices
? Tablet PCs
? Netbooks
V IN = 3.0 to 4.4 V
C IN33
SC900842
To Load
PVIN1
AVIN
PVIN2
VOUTP
3.3 V
VOUTPFB
EN
VSW1P
900841
CLK26M
STTS
VSW1FB
L 33
C O33
ISNS
VIN1P8
VSW2FB
VSW2P
VOUTMFB
BGBYP
VREGOUT
C BGBYP
PGND
AGND
C CORE
Figure 1. 900842 Simplified Application Diagram
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
? Freescale Semiconductor, Inc., 2010. All rights reserved.
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