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STBB2J30-R データシート(PDF) 8 Page - STMicroelectronics

部品番号 STBB2J30-R
部品情報  800 mA 2.5 MHz, high efficiency dual mode buck-boost DC-DC converter
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STBB2J30-R データシート(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
STBB2
8/25
DocID022745 Rev 9
5
Electrical characteristics
- 40 °C < TA < 85 °C, VIN = 3.6 V; VOUT = 3.4 V, VEN = VIN, VBP = 0 V; typical values are at
TA = 25 °C, unless otherwise specified.
Table 6. Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
General section
VIN
Operating power input voltage
range
2.4
5.5
V
Iq
Shutdown mode
VEN = 0 V
0.5
2
µA
Pulse-skipping
IOUT = 0 A, VMODE = 0
35
50
µA
PWM mode
IOUT = 0 A, VMODE = VIN
810
mA
Bypass mode
VBP = VIN; IOUT = 0 A;
VMODE = 0, VIN = 2.4 to 5.5 V
510
µA
VUVLO
Undervoltage lockout threshold
VIN rising; VMODE = VIN;
IOUT = 100 mA
2.1
2.35
V
VIN falling; VMODE = VIN;
IOUT = 100 mA
1.8
2.1
fSW
Switching frequency
2
2.5
3
MHz
IOUT
Continuous output current (1)
2.5 V
≤ VIN ≤ 5.5 V
800
mA
IPK
Switch current limitation
2.4
2.5
2.7
A
IPS-PWM
PS to PWM transition
300
mA
PWM to PS transition
280
h
Efficiency
(VIN = 3.6 V; VOUT = 3.4 V)
IOUT =1 0 mA (PS mode)
85
%
IOUT = 50 mA (PS mode)
90
IOUT = 150 mA (PWM)
90
IOUT = 250 mA (PWM)
91
IOUT = 500 mA (PWM)
92
IOUT = 800 mA (PWM)
92
TON
Turn-on time (2)
VEN from low to high;
IOUT = 10 mA
260
300
µs
TSHDN
Thermal shutdown
150
°C
Hysteresis
20
°C
Output voltage
VOUT
Output voltage range
1.2
4.5
V


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