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STBB1-APUR 데이터시트(PDF) 8 Page - STMicroelectronics

부품명 STBB1-APUR
상세설명  1 A, high efficiency single inductor dual mode buck-boost DC-DC converter
PDF  22 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STBB1-APUR 데이터시트(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
STBB1-AXX
8/22
Doc ID 022197 Rev 2
5
Electrical characteristics
VIN = VINA = VEN = 3.6 V, CIN = 10 µF, COUT = 10 µF, L = 2.2 µH, TJ = - 40 to 85°C (unless
otherwise specified; typical values are referred to TA = 25 °C).
Table 6.
Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VIN
Input voltage range
2.0
5.5
V
VUVLO
Undervoltage lockout threshold
VINA rising
1.70
1.80
V
VINA falling
1.50
1.60
VFB
Feedback voltage
485
500
515
mV
TJ = 25°C
490
500
510
mV
VOUT
Output voltage range
1.2
5.5
V
ZFB
FB input impedance
10
M
Ω
IQ
No switching quiescent current
(VIN+VINA) (see Figure 3, 4)
FB = 0.7 V, VMODE = 0 V
160
250
µA
FB = 0.7 V, VMODE = VIN
600
750
IQ
Operating quiescent current
(VIN+VINA)
IOUT = 0 A, VOUT = 3.3 V,
VMODE = 0 V
200
µA
IOUT = 0 A, VOUT = 3.3 V,
VMODE = VIN
3.4
5.0
mA
IQSHDN
Shutdown quiescent current
VEN = 0 V, VIN = 3.6 V
0.1
1
µA
freq
Oscillator frequency
TA = 25°C
1300
1500
1750
kHz
Frequency range for
synchronization
1300
2000
VEN
Enable input logic low
VIN = 2.2 V to 5.5 V
0.4
V
Enable input logic high
VIN = 2.2 V to 5.5 V
1.2
IEN
Enable pin current
VEN = 5.5 V
0.01
1
µA
VMODE/SYNC
MODE/SYNC input logic low
VIN = 2.2 V to 5.5 V
0.4
V
MODE/SYNC input logic high
VIN = 2.2 V to 5.5 V
1.2
IMODE/SYNC MODE/SYNC pin current
VMODE/SYNC = 5.5 V
0.01
1
µA
%VOUT
Line regulation
2.2 V < VIN < 5.5 V; IOUT = 1 mA
0.5
%
%VOUT
Load regulation
10 mA < IOUT < 1000 mA
1
%
ISWL
Switch current limitation
VIN = 3.3 V
1.6
2.3
2.6
A
ILKN
NMOS leakage current
VIN = 5.5 V
0.01
1
µA
ILKP
PMOS leakage current
0.01
1
µA
RDSon-N
NMOS switch on resistance
0.13
0.35
Ω
RDSon-P
PMOS switch on resistance
0.13
0.35
Ω



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