LP3972SQ-I514EV National Semiconductor, LP3972SQ-I514EV Datasheet - Page 30

• Manufacturer Part Number: LP3972SQ-I514EV
• Description: BOARD EVALUATION LP3972SQ-I514
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3972SQ-I514EV

• Main Purpose: DC/DC, Step Down with LDO
• Outputs And Type: 9, Non-Isolated
• Voltage - Input: 2.7 ~ 5.5V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: LP3972
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -
• Frequency - Switching: -

www.national.com
Designation
Reset Value
BUCK1 (V
Buck1 (V
Buck1 (V
Bit
7:5
4:0
CC
CC
CC
_APPS) Voltage Ramp Control Register (AVRC) 8h’25
_APPS) Voltage Ramp Control Register (AVRC) 8h’25 Definitions
_APPS) VOLTAGE RAMP CONTROL REGISTER
Bit
Access
R/W
—
Name
B1RR
—
7
0
Reserved
6
0
Reserved
DVM Ramp Speed
30
5
0
Data Code
4h’B-4h’1F
5h’A
5h’0
5h’1
5h’2
5h’3
5h’4
5h’5
5h’6
5h’7
5h’8
5h’9
4
0
Description
3
1
Ramp Rate (B1RR)
2
0
Ramp Rate (mV/uS)
Reserved
Instant
10
1
2
3
4
5
6
7
8
9
1
1
0
0