Power Supply Features; Input Power Supply - Huawei MU609 Hardware Manual

HUAWEI MU609 HSPA Mini PCIe Module
Hardware Guide
Table 5-2 Operating and storage temperatures for the MU609 module
Specification
Normal working temperatures
Ambient temperature for storage

5.4 Power Supply Features

5.4.1 Input Power Supply

Table 5-3 lists the requirements for input power of the MU609 module.
Table 5-3 Requirements for input power for the MU609 module
Parameter
VCC_3V3
Figure 5-1 Power Supply During Burst Emission
Table 5-4 Requirements for input current of the MU609 module
Power
VCC_3V3
Issue 03 (2014-12-04)
Min.
3.0
The VCC_3V3 minimum value must be guaranteed during the burst (with 2.7 A Peak in GSM 2
slot mode). So A low-dropout (LDO) regulator or switch power with current output of more than
3.5 A is strongly recommended for external power supply.
Module
MU609
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Min.
–20
–40
Typ. Max.
3.3 3.6
Peak (GSM 2 slot)
2750 mA
Electrical and Reliability Features
Max.
+60
+85
Ripple
0.05
Normal (WCDMA)
1100 mA
Unit
°C
°C
Unit
V
37