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ST662AC_10 Datasheet, PDF (6/20 Pages) STMicroelectronics – DC-DC converter from 5 V to 12 V, 0.03 Afor Flash memory programming supply
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Electrical characteristics
4
Electrical characteristics
ST662AB, ST662AC
Refer to the test circuits, VCC = 4.5 V to 5.5 V, TA = TMIN to TMAX, unless otherwise
specified. Typical value are referred at TA = 25 °C.
Table 5.
Symbol
Electrical characteristics
Parameter
Test conditions
Min. Typ. Max. Unit
VO Output voltage
IO = 0 to 20 mA
11.4 12 12.6
V
IO = 0 to 30 mA, VCC = 4.75 to 5.5 V 11.4 12 12.6
IQ1 Quiescent current
NO LOAD, VSHDN = 0
100 500 µA
IQ2 Shutdown current
NO LOAD, VSHDN = VCC
1
10
µA
ISH Shutdown pin current
VSHDN = 0, VCC = 5V
VSHDN = VCC = 5V
-50 -12
-5
µA
0
µA
VIL Shutdown input low threshold
0.4
V
VIH Shutdown input high threshold
2.4
V
fO Oscillator frequency
VCC = 5 V, IO = 30 mA
400
kHz
n Power efficiency
VCC = 5 V, IO = 30 mA
72
%
RSW VCC - VOUT switch impedance VSHDN = VCC = 5V, IO = 100 µA
1
2
kΩ
Refer to the test circuits, VCC = 4.5 V to 5.5 V, TA = -40 to 125 °C, unless otherwise
specified. Typical value are referred at TA = 25 °C.
Table 6.
Symbol
Electrical characteristics for ST662AB-TRY (Automotive Grade)
Parameter
Test conditions
Min. Typ. Max. Unit
VO Output voltage
IO = 0 to 20 mA
11.2 12 12.8
V
IO = 0 to 30 mA, VCC = 4.75 to 5.5 V 11.2 12 12.8
IQ1 Quiescent current
NO LOAD, VSHDN = 0
100 500 µA
IQ2 Shutdown current
NO LOAD, VSHDN = VCC
1
15
µA
ISH Shutdown pin current
VSHDN = 0, VCC = 5V
VSHDN = VCC = 5V, TA = 25°C
-50 -12
-5
µA
0
µA
VIL Shutdown input low threshold
0.4
V
VIH Shutdown input high threshold
2.4
V
fO Oscillator frequency
VCC = 5 V, IO = 30 mA, TA = 25°C
400
kHz
n Power efficiency
VCC = 5 V, IO = 30 mA, TA = 25°C
72
%
RSW VCC - VOUT switch impedance VSHDN = VCC = 5V, IO = 100 µA
1
2
kΩ
6/20
Doc ID 5068 Rev 8
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