Datasheet

7 6 5 4 3 2 1 0
Bit 7 is not used
MSB LSB
Vout for Buck 2
00001 = 1.8V (Min.)
11111 = 3.3V (Max.)
Forced PWM Mode (FPWM2)
Auto = 0 (default)
FPWM2 = 1 (PWM mode only)
Disable Por function (DISPOR)
DISPOR = 0 enable Por (default)
DISPOR = 1 disable Por
LM3370
SNVS406N –NOVEMBER 2005–REVISED MAY 2013 www.ti.com
Register 02
Figure 43.
Table 3. Output Selection Table via I
2
C Programing
Buck Output Voltage Selection Codes
Data Code Buck_1 (V) Buck_2 (V)
00000 NA NA
00001 NA 1.8
00010 NA 1.85 or 1.9
(1)
00011 NA 2.0
00100 NA 2.1
00101 1.00 2.2
00110 1.05 2.3
00111 1.10 2.4
01000 1.15 2.5
01001 1.20 2.6
01010 1.25 2.7
01011 1.30 2.8
01100 1.35 2.9
01101 1.40 3.0
01110 1.45 3.1
01111 1.50 3.2
10000 1.55 3.3
10001 1.60 NA
10010 1.65 NA
10011 1.70 NA
10100 1.75 NA
10101 1.80 NA
10110 1.85 NA
10111 1.90 NA
11000 1.95 NA
11001 2.00 NA
(1) Can be trimmed at the factory at 1.85V or 1.9V using the same trim code.
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