Datasheet

Electrical characteristics ST662AB, ST662AC
6/20 Doc ID 5068 Rev 8
4 Electrical characteristics
Refer to the test circuits, V
CC
= 4.5 V to 5.5 V, T
A
= T
MIN
to T
MAX
, unless otherwise
specified. Typical value are referred at T
A
= 25 °C.
Refer to the test circuits, V
CC
= 4.5 V to 5.5 V, T
A
= -40 to 125 °C, unless otherwise
specified. Typical value are referred at T
A
= 25 °C.
Table 5. Electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage
I
O
= 0 to 20 mA 11.4 12 12.6
V
I
O
= 0 to 30 mA, V
CC
= 4.75 to 5.5 V 11.4 12 12.6
I
Q1
Quiescent current NO LOAD, V
SHDN
= 0 100 500 µA
I
Q2
Shutdown current NO LOAD, V
SHDN
= V
CC
110µA
I
SH
Shutdown pin current
V
SHDN
= 0, V
CC
= 5V -50 -12 -5 µA
V
SHDN
= V
CC
= 5V 0 µA
V
IL
Shutdown input low threshold 0.4 V
V
IH
Shutdown input high threshold 2.4 V
f
O
Oscillator frequency V
CC
= 5 V, I
O
= 30 mA 400 kHz
n Power efficiency V
CC
= 5 V, I
O
= 30 mA 72 %
R
SW
V
CC
- V
OUT
switch impedance V
SHDN
= V
CC
= 5V, I
O
= 100 µA 1 2 kΩ
Table 6. Electrical characteristics for ST662AB-TRY (Automotive Grade)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage
I
O
= 0 to 20 mA 11.2 12 12.8
V
I
O
= 0 to 30 mA, V
CC
= 4.75 to 5.5 V 11.2 12 12.8
I
Q1
Quiescent current NO LOAD, V
SHDN
= 0 100 500 µA
I
Q2
Shutdown current NO LOAD, V
SHDN
= V
CC
115µA
I
SH
Shutdown pin current
V
SHDN
= 0, V
CC
= 5V -50 -12 -5 µA
V
SHDN
= V
CC
= 5V, T
A
= 25°C 0 µA
V
IL
Shutdown input low threshold 0.4 V
V
IH
Shutdown input high threshold 2.4 V
f
O
Oscillator frequency V
CC
= 5 V, I
O
= 30 mA, T
A
= 25°C 400 kHz
n Power efficiency V
CC
= 5 V, I
O
= 30 mA, T
A
= 25°C 72 %
R
SW
V
CC
- V
OUT
switch impedance V
SHDN
= V
CC
= 5V, I
O
= 100 µA 1 2 kΩ