User Guide

LM960 HW Design Guide
1VV0301485 Rev. 3 Page 28 of 74 2018-12-14
4. POWER SUPPLY
The power supply circuitry and board layout are very important parts of the full product
design, with critical impact on the overall product performance. Read the following
requirements and guidelines carefully to ensure a good and proper design.
Power Supply Requirements
The LM960 power requirements are as follows:
Power Supply Requirements
Nominal supply voltage 3.3V
Supply voltage range 3.10V – 3.6V
Maximum ripple on module input supply 30 mV
Power Consumption
Below table provides typical current consumption values of LM960 for various operation
modes.
LM960 Current Consumption
Mode Average [Typ.] Mode Description
IDLE Mode
CFUN=1 20mA
No call connection
USB3.0 is connected to a host
Power Saving Mode (PSMWDISACFG=1, W_DISABLE_N:Low)
CFUN=4 2.5mA
Tx and Rx are disabled; module is not
registered on the network (Flight mode)
WCDMA 3mA DRx7 (1.28 sec DRx cycle)
LTE 3.3mA
Paging cycle #128 frames (1.28 sec DRx
cycle)
Operative Mode (LTE)
Non-CA mode
(1DL / 1UL)
600mA
Non-CA, Band 2, Single carrier, BW 5MHz,
23dBm, 1RB
2DL CA with 2x2
MIMO / 2UL CA
900mA
CA_2A-5A, 2x2 MIMO, Full RB, 256QAM DL /
64QAM UL (FDD 300Mbps DL / 150Mbps UL)
5DL CA with 2x2
MIMO / 1UL
1000mA
CA_2A-5B-66A-66A, 2x2 MIMO, Full RB,
256QAM DL / 64QAM UL (FDD 1Gbps DL /
75Mbps UL)