ISL9305 View Datasheet(PDF) - Renesas Electronics
Part Name
Description
Manufacturer
ISL9305
Renesas Electronics
ISL9305 Datasheet PDF : 17 Pages
| |||
ISL9305
LDO1 AND LDO2 OUTPUT VOLTAGE CONTROL
REGISTERS
LDO1OUT, address 0x02h and LDO2OUT, address 0x03h.
TABLE 4. LDOX OUTPUT VOLTAGE CONTROL REGISTERS
BIT
NAME
ACCESS RESET
DESCRIPTION
B7
Reserve
B6
Reserve
B5 LDOxOUT-5
-
-
R/W
0 Refer to Table 5 for
output voltage
0
settings
0
B4 LDOxOUT-4
R/W
0
B3 LDOxOUT-3
R/W
1
B2 LDOxOUT-2
R/W
1
B1 LDOxOUT-1
R/W
0
B0 LDOxOUT-0
R/W
0
LDOOUT
<7:0>
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
LDO OUTPUT
VOLTAGE (V)
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
TABLE 5. LDOX OUTPUT VOLTAGE SETTINGS
LDOOUT
<7:0>
LDO OUTPUT
VOLTAGE (V)
LDOOUT
<7:0>
LDO OUTPUT
VOLTAGE (V)
10
1.70
20
2.50
11
1.75
21
2.55
12
1.80
22
2.60
13
1.85
23
2.65
14
1.90
24
2.70
15
1.95
25
2.75
16
2.00
26
2.80
17
2.05
27
2.85
18
2.10
28
2.90
19
2.15
29
2.95
1A
2.20
2A
3.00
1B
2.25
2B
3.05
1C
2.30
2C
3.10
1D
2.35
2D
3.15
1E
2.40
2E
3.20
1F
2.45
2F
3.25
LDOOUT
<7:0>
30
31
32
33
34
35
36
LDO OUTPUT
VOLTAGE (V)
3.30
3.35
3.40
3.45
3.50
3.55
3.60
DCD1 AND DCD2 CONTROL REGISTER
DCD_PARAMETER, address 0x04h
TABLE 6. DCD_PARAMETER REGISTER
BIT NAME ACCESS RESET
DESCRIPTION
B7
-
-
0
Reserved
B6 DCD_PHASE R/W
0 DCD1 and DCD2 PWM switch
selection. 0-in phase; 1 to 180°
out-of-phase.
B5 DCD2_ULTRA R/W
0 Ultrasonic feature under PFM mode
for DCD2. 0-disabled; 1-enabled.
B4 DCD1_ULTRA R/W
0 Ultrasonic feature under PFM mode
for DCD1. 0-disabled; 1-enabled.
B3 DCD2_BLD R/W
1 Selection of DCD2 for active output
voltage discharge when disabled.
0-disabled; 1-enabled.
TABLE 6. DCD_PARAMETER REGISTER (Continued)
BIT NAME ACCESS RESET
DESCRIPTION
B2 DCD1_BLD R/W
1 Selection of DCD1 for active output
voltage discharge when disabled.
0-disabled; 1-enabled.
B1 DCD2_MODE R/W
1 Selection on DCD2 of auto
PFM/PWM mode (= 1) or forced
PWM mode (= 0).
B0 DCD1_MODE R/W
1 Selection on DCD1 of auto
PFM/PWM mode (= 1) or forced
PWM mode (= 0).
FN7605 Rev 2.00
February 9, 2015
Page 11 of 17
Share Link: