Operating And Storage Temperatures; Power Supply Features; Input Power Supply - Huawei MU709s-2 Hardware Manual

HUAWEI MU709s-2 HSPA+ Mini PCIe Module
Hardware Guide

5.3 Operating and Storage Temperatures

Table 5-2 lists the operating and storage temperatures for the MU709s-2 Mini PCIe
module.
Table 5-2 Operating and storage temperatures for the MU709s-2 Mini PCIe 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 MU709s-2 Mini PCIe module.
Table 5-3 Requirements for input power for the MU709s-2 Mini PCIe module
Parameter
VCC_3V3
Figure 5-1 Power Supply During Burst Emission
Issue 02 (2014-09-18)
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.
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Min.
–40
–40
Typ. Max.
3.3 3.6
Electrical and Reliability Features
Max.
+70
+85
Ripple
0.05
Unit
°C
°C
Unit
V
29