AS1331-BTDT austriamicrosystems, AS1331-BTDT Datasheet - Page 4
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AS1331-BTDT
Manufacturer Part Number
AS1331-BTDT
Description
IC CONV BUCK/BOOST ADJ 10-TDFN
Manufacturer
austriamicrosystems
Type
Step-Down (Buck), Step-Up (Boost)r
Datasheet
1.AS1331-BTDT.pdf
(16 pages)
Specifications of AS1331-BTDT
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
2.5 ~ 3.3 V
Current - Output
300mA
Voltage - Input
1.8 ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Frequency - Switching
-
AS1331
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6 Electrical Characteristics
V
Table 3. Electrical Characteristics
www.austriamicrosystems.com/DC-DC_Buck-Boost/AS1331
Input
Regulation
Operating Current
Switches
Enable
Low Battery & Power-OK
IN
Symbol
I
V
I
V
V
I
SHDN
R
V
V
PEAK
= 3.6V, V
V
V
MOS
I
I
OUT
ENH
I
ENL
EN
FB
LBI
UV
ON
FB
Q
IN
Input Voltage Range
Minimum Startup Voltage
Undervoltage Lockout
Threshold
Output Voltage Adjustable
Version
Output Voltage 3.3V
Output Voltage 3.0V
Output Voltage 2.5V
FB Voltage Adjustable version
FB Input Current Adjustable
Version
V
Quiescent Current V
Quiescent Current V
Shutdown Current
MOS Switch Leakage
NMOS B, C
PMOS A
PMOS D
Peak Current Limit
EN Input High
EN Input Low
EN Input Current
LBI Threshold
LBI Hysteresis
LBI Leakage Current
LBO Voltage Low
LBO Leakage Current
Power-OK Threshold
OUT
OUT
= 3.3V, T
Lockout Threshold
1
Parameter
AMB
3
= -40°C to +85ºC. Typical values are at T
IN
OUT
2
I
V
No Load
No Load
V
Rising Edge
V
V
EN = 0V, V
V
V
V
V
L = 6.8µH, V
EN = 5.5V, T
Falling Edge
LBI = 5.5V, T
I
LBO = 5.5V, T
LBI = 0V, Falling Edge
LOAD
LBO
IN
FB
IN
IN
IN
IN
IN
OUT
decreasing
= 5V
= 5V, V
= 5V, T
= 5V
= 5V
= 1.3V, T
= 1mA
= 3.3V
< 1mA
Revision 1.04
AMB
OUT
OUT
Conditions
IN
AMB
AMB
AMB
AMB
=25°C, Switches A-D
= 5V
= 0V, T
= 3.6V, V
= 25°C
= 25°C
= 25°C
= 25°C
AMB
FB
AMB
= +25ºC
= 1.3V
= +25ºC. Unless otherwise specified.
3.201
2.910
2.425
1.212
1.212
2.50
Min
450
1.8
1.5
2.0
1.4
90
1.25
2.15
0.01
0.01
0.13
0.17
0.21
1.25
0.05
92.5
Typ
600
1.6
1.6
3.3
3.0
2.5
20
10
1
2
1
1
1
3.399
3.090
2.575
1.288
1.288
Max
3.30
100
750
100
100
100
5.5
1.8
1.7
2.3
0.4
0.2
32
95
6
1
1
Units
mA
mV
nA
µA
µA
µA
µA
nA
nA
nA
%
Ω
Ω
Ω
V
V
V
V
V
V
V
V
V
V
V
V
V
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