isl9305 Intersil Corporation, isl9305 Datasheet - Page 13

• Manufacturer Part Number: isl9305
• Description: 3mhz Dual Step-down Converters And Dual Low-input Ldos With I 2c Compatible Interface
• Manufacturer: Intersil Corporation

DCD OUTPUT VOLTAGE SLEW RATE CONTROL
REGISTER
DCD_SRCTL, address 0x06h
Typical Operating Conditions
BIT
B7
B6
B5
B4
B3
B2
B1
B0
FIGURE 9. DCD OUTPUT VOLTAGE RIPPLE (V
DCD2SR_2
DCD2SR_1
DCD2SR_0
DCD1SR_2
DCD1SR_1
DCD1SR_0
Reserve
Reserve
NAME
DCD1 AND DCD2)
VODCD1(20mV/DIV, AC-COUPLING)
VODCD2(20mV/DIV, AC-COUPLING)
ACCESS
R/W
R/W
R/W
R/W
R/W
R/W
-
-
SW2(5V/DIV)
SW1(5V/DIV)
TABLE 8.
13
RESET
0
0
1
0
0
0
1
0
DCD2 Slew Rate Setting,
DCD2SR[2:0]:
000 to 0.225mV/µs
001 to 0.45mV/µs
010 to 0.90mV/µs
011 to 1.8mV/µs
100 to 3.6mV/µs
101 to 7.2mV/µs
110 to 14.4mV/µs
111 to immediate
Reserved
DCD1 Slew Rate Setting,
DCD1SR[2:0]:
000 to 0.225mV/µs
001 to 0.45mV/µs
010 to 0.90mV/µs
011 to 1.8mV/µs
100 to 3.6mV/µs
101 to 7.2mV/µs
110 to 14.4mV/µs
111 to immediate
Reserved
IN
DESCRIPTION
= 4.2V, FULL LOAD AT
ISL9305
FIGURE 10. DCD OUTPUT VOLTAGE RIPPLE (V
VODCD1(20mV/DIV, AC-COUPLING)
VODCD2(20mV/DIV, AC-COUPLING)
IL2 (500mA/DIV)
IL1 (500mA/DIV)
IN
= 4.2V, PFM MODE)
November 8, 2010
FN7605.0