STBB1-AXX STMicroelectronics, STBB1-AXX Datasheet - Page 8
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STBB1-AXX
Manufacturer Part Number
STBB1-AXX
Description
1 A, high efficiency single inductor dual mode buck-boost DC-DC converter
Manufacturer
STMicroelectronics
Datasheet
1.STBB1-AXX.pdf
(22 pages)
Specifications of STBB1-AXX
Typical Efficiency
> 94%
Electrical characteristics
5
Table 6.
8/22
V
I
MODE/SYNC
MODE/SYNC
R
R
Symbol
I
%V
%V
V
QSHDN
V
DSon
DSon
I
V
freq
V
I
I
Z
UVLO
V
I
SWL
LKN
LKP
OUT
I
I
EN
EN
FB
FB
Q
Q
IN
OUT
OUT
-N
-P
Electrical characteristics
V
otherwise specified; typical values are referred to T
Electrical characteristics
Input voltage range
Undervoltage lockout threshold
Feedback voltage
Output voltage range
FB input impedance
No switching quiescent current
(VIN+VINA) (see
Operating quiescent current
(VIN+VINA)
Shutdown quiescent current
Oscillator frequency
Frequency range for
synchronization
Enable input logic low
Enable input logic high
Enable pin current
MODE/SYNC input logic low
MODE/SYNC input logic high
MODE/SYNC pin current
Line regulation
Load regulation
Switch current limitation
NMOS leakage current
PMOS leakage current
NMOS switch on resistance
PMOS switch on resistance
IN
= V
INA
Parameter
= V
EN
Figure
= 3.6 V, C
3, 4)
IN
Doc ID 022197 Rev 2
= 10 µF, C
T
V
V
2.2 V < V
10 mA < I
V
VINA rising
VINA falling
T
FB = 0.7 V, V
FB = 0.7 V, V
I
V
I
V
V
V
V
V
V
V
OUT
OUT
A
J
MODE
MODE
EN
IN
IN
EN
IN
IN
MODE/SYNC
IN
IN
= 25°C
= 25°C
= 2.2 V to 5.5 V
= 2.2 V to 5.5 V
= 2.2 V to 5.5 V
= 2.2 V to 5.5 V
= 3.3 V
= 5.5 V
= 0 V, V
= 5.5 V
= 0 A, V
= 0 A, V
= 0 V
= V
Test conditions
IN
OUT
IN
OUT
< 5.5 V; I
IN
OUT
OUT
= 5.5 V
MODE
MODE
< 1000 mA
= 3.6 V
= 10 µF, L = 2.2 µH, T
= 3.3 V,
= 3.3 V,
= V
= 0 V
OUT
IN
A
= 25 °C).
= 1 mA
1300
1300
Min.
1.50
485
490
2.0
1.2
1.2
1.2
1.6
J
= - 40 to 85°C (unless
1500
Typ.
1.70
1.60
0.01
0.01
0.01
0.01
0.13
0.13
500
500
160
600
200
3.4
0.1
0.5
2.3
10
1
STBB1-AXX
Max.
1750
2000
1.80
0.35
0.35
515
510
250
750
5.5
5.5
5.0
0.4
0.4
2.6
1
1
1
1
1
Unit
kHz
MΩ
mV
mV
mA
µA
µA
µA
µA
µA
µA
µA
%
%
Ω
Ω
V
V
V
V
V
A