ATR0625-EK1 Atmel, ATR0625-EK1 Datasheet - Page 24

• Manufacturer Part Number: ATR0625-EK1
• Manufacturer: Atmel

Specifications of ATR0625-EK1

• Lead Free Status / Rohs Status: Supplier Unconfirmed

12. LDOBAT and Backup Domain
24
ATR0625P
The LDOBAT is a built in low dropout voltage regulator which provides the supply voltage
VBAT18 for the RTC, backup SRAM, P9, P13, P22, P31, NSLEEP and NSHDN. The LDOBAT
voltage regulator switches in battery mode if LDOBAT_IN falls below 1.5V.
Table 12-1.
Parameter
Supply voltage
LDOBAT_IN
Supply voltage VBAT
Output voltage (VBAT18) If switch connects to LDOBAT_IN.
Output current (VBAT18) No external load allowed
Current consumption
LDOBAT_IN
Current consumption
VBAT
Current consumption
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design
parameter
Note:
(1)
1. If no current is caused by outputs (pad output current as well as current across internal
(1)
pull-up resistors)
Electrical Characteristics of LDOBAT
Conditions
After startup (sleep/backup mode), at
room temperature
After startup (backup mode and
LDOBAT_IN = 0V), at room
temperature
After startup (normal mode), at room
temperature
Min.
1.65
2.3
1.5
Typ.
1.8
Max.
1.95
3.6
3.6
1.5
1.5
15
10
4925G–GPS–06/08
Unit
mA
mA
µA
µA
V
V
V
Type*
D
D
D
A
A
A
C