Electrical Characteristics
378 October 8, 2006
Preliminary
19.1.3 On-Chip Low Drop-Out (LDO) Regulator Characteristics
I
OH
High-level source current, V
OH
=2.4 V
2-mA Drive 2. 0 - - mA
4-mA Drive 4. 0 - - mA
8-mA Drive 8. 0 - - mA
I
OL
Low-level sink current, V
OL
=0.4 V
2-mA Drive 2. 0 - - mA
4-mA Drive 4. 0 - - mA
8-mA Drive 8. 0 - - mA
Table 19-3. LDO Regulator Characteristics
Parameter Parameter Name Min Nom Max Unit
V
LDOOUT
Programm abl e i nte rnal (lo gic) p ower s up ply
output value
2.25 - 2.75 V
Output vol t ag e acc ura cy - 2% - %
t
PON
Power-on time - - 100 μs
t
ON
Time on - - 200 μs
t
OFF
Time off - - 100 μs
V
STEP
Step programming incremental voltage - 50 - mV
C
LDO
External filter capacitor size for internal
power supply
-1-μF
Table 19-2. Recommended DC Operating Condi tions (Continued)
Parameter Parameter Name Min Nom Max Unit