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4
FN9219.1
October 13, 2005
Absolute Maximum Ratings
Thermal Information
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7.1V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (V
IN
+0.3)V
Recommended Operating Conditions
Ambient Temperature Range (T
A
) . . . . . . . . . . . . . . . .-40°C to 85°C
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3V to 6.5V
Thermal Resistance (Notes 5, 6)
3x3 DFN Package . . . . . . . . . . . . . . . .
Junction Temperature Range . . . . . . . . . . . . . . . . .-40°C to +125°C
Operating Temperature Range . . . . . . . . . . . . . . . . .-40°C to +85°C
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . .+300°C
θ
JA
(°C/W)
50
θ
JC
(°C/W)
10
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
5.
θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
6.
θ
JC
, “case temperature” location is at the center of the exposed metal pad on the package underside. See Tech Brief TB379.
Electrical Specifications
Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature
range of the device as follows:
T
A
= -40°C to +85°C; V
IN
= (V
O
+1.0V) to 6.5V with a minimum V
IN
of 2.3V; C
IN
= 1
μ
F; C
O
= 1
μ
F;
C
BYP
= 0.01
μ
F
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
DC CHARACTERISTICS
Supply Voltage
V
IN
2.3
6.5
V
Ground Current
Quiescent condition: I
O1
= 0
μ
A; I
O2
= 0
μ
A
I
DD1
One LDO active
25
40
μ
A
I
DD2
Both LDO active
45
60
μ
A
Shutdown Current
I
DDS
@25°C
0.1
1.0
μ
A
UVLO Threshold
V
UV+
1.9
2.1
2.3
V
V
UV-
1.6
1.8
2.0
V
Regulation Voltage Accuracy
Variation from nominal voltage output, V
IN
= V
O
+0.5 to 5.5V,
T
J
= -40°C to 125°C
-1.8
+1.8
%
Line Regulation
V
IN
= (V
OUT
+1.0V relative to highest output voltage) to 5.5V
I
OUT
= 100
μ
A to 150mA (VO1 and VO2)
I
OUT
= 100
μ
A to 300mA (VO2)
-0.2
0
0.2
%/V
Load Regulation
0.1
0.7
%
1.0
%
Maximum Output Current
I
MAX
VO1: Continuous
150
mA
VO2: Continuous
300
mA
Internal Current Limit
I
LIM
350
475
600
mA
Dropout Voltage (Note 8)
V
DO1
I
O
= 150mA; V
O
>
2.1V (VO1)
125
200
mV
V
DO2
I
O
= 300mA; V
O
< 2.5V (VO2)
I
O
= 300mA; 2.5V
≤
V
O
≤
2.8V (VO2)
300
500
mV
V
DO3
250
400
mV
V
DO4
I
O
= 300mA; V
O
> 2.8V (VO2)
200
325
mV
Thermal Shutdown Temperature
T
SD+
145
°C
T
SD-
110
°C
AC CHARACTERISTICS
Ripple Rejection (Note 7)
I
O
= 10mA, V
IN
= 2.8V(min), V
O
= 1.8V, C
BYP
= 0.1
μ
F
@ 1kHz
70
dB
@ 10kHz
55
dB
@ 100kHz
40
dB
Output Noise Voltage (Note 7)
I
O
= 100
μ
A, V
O
= 1.5V, T
A
= 25°C, C
BYP
= 0.1
μ
F
BW = 10Hz to 100kHz (Note 7)
30
μ
Vrms
ISL9011