SiM3C1xx
Table 3.6. External Regulator
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Input Voltage Range (at VRE-
GIN)
V
3.0
—
3.6
V
REGIN
Output Voltage (at
EXREGOUT)
V
Programmable in
100 mV steps
1.8
—
3.6
V
EXREGOUT
NPN Current Drive
PNP Current Drive
I
400 mV Dropout
12
–6
—
—
—
—
mA
mA
NPN
I
V
> V
-
PNP
EXREGBD
REGIN
1.5 V
EXREGBD Voltage (PNP
Mode)
V
V
>= 3.5 V
V
–
—
—
V
EXREGBD
REGIN
REGIN
2.0
V
< 3.5 V
1.5
—
—
—
—
V
REGIN
Standalone Mode Output
Current
I
400mV Dropout
11.5
mA
EXTREGBD
External Capacitance with
External BJT
C
4.7
—
—
1
—
—
µF
BJT
Standalone Mode Load Reg-
ulation
LR
mV/mA
STAND-
ALONE
Standalone Mode External
Capacitance
C
47
—
—
nF
STAND-
ALONE
Current Limit Range
Current Limit Accuracy
Foldback Limit Accuracy
Current Sense Resistor
Internal Pull-Down
Internal Pull-Up
I
1 Sense Resistor
10
—
—
—
—
—
—
—
—
—
10
5
720
10
20
1
mA
%
LIMIT
%
R
SENSE
R
—
—
k
k
PD
R
PU
Current Sensor
Sensing Pin Voltage
V
V
Measured at
EXTREGSP or
EXTREGSN pin
2.2
10
—
V
V
EXTREGSP
EXTREGSN
REGIN
Differential Sensing Voltage
V
(V
-
—
8
1600
mV
DIFF
EXTREGSP
EXTREGSN
V
)
Current at EXTREGSN Pin
Current at EXTREGSP Pin
I
—
—
—
—
A
A
EXTREGSN
I
V
x 2
DIFF
EXTREGSP
00 + 12
14
Preliminary Rev. 0.8
SILICON [ SILICON ]
