Electrical Features Of Application Interfaces; Power Supply Features; Input Power Supply; Figure 5-1 Power Supply During Burst Emission - Samsung SA-N9001 Hardware Manual

Hardware Guide

5.4 Electrical Features of Application Interfaces

Table 5-3 Electrical features of Digital Pins (GPIO/PCM/UART/SPI/SIM/Control GPIO)
Parameter
V
V
V
V

5.5 Power Supply Features

5.5.1 Input Power Supply

Table 5-4 lists the requirements for input power of the NAD LGA module.

Table 5-4 Requirements for input power

Parameter
VPH_PWR
The minimum voltage of VBAT can extend to 3.6 V, under this condition, only ensure the module will not
restart, but the characteristics cannot be guaranteed.

Figure 5-1 Power supply during burst emission

Table 5-5 Requirements for input current

Power
VBAT
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Description
Logic hi h-level input voltage
g
IH
Logic low-level input voltage
IL
Logic hi h-level output
g
OH
voltage
Logic low-level output voltage
OL
Min.
4.0
The VBAT minimum value must be guaranteed during the burst (with 2.8 A Peak in GPRS or
GSM mode).
Peak (GSM 1 slot)
2.8 A
Min.
0.7 x DVDD
–0.3
0.8 x DVDD
VSS
Typ. Max.
4.2 4.4
Normal (WCDMA)
1.4 A
Max. Unit
DVDD + 0.3 V
0.3 x DVDD V
DVDD V
0.2 x DVDD V
Ripple Unit
0.05 V
Normal (LTE)
1.4 A
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