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ST763ABDTR

P1-P3P4-P6P7-P9P10-P10
ST763A SERIES
4/10
ELECTRICAL CHARACTERISTICS (V
CC
=5V, I
O
= 0mA, T
A
= T
MIN
to T
MAX
, unless otherwise specified.)
TYPICAL APPLICATION CIRCUIT
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
CC
Input Voltage 3.3 11 V
V
O
Output Voltage V
CC
= 4 to 11V I
O
=0 to 300mA
V
CC
= 4.75 to 11V I
O
=0 to 500mA
3.135
3.135
3.3
3.3
3.465
3.465
V
V
∆V
O
Line Regulation 0.13 %/V
∆V
O
Load Regulatio I
O
= 1 to 500mA 0.005 %/mA
η Power Efficency I
O
=300mA
I
O
=100mA
88
90
%
%
I
SUPPLY
Supply Current ON Mode (Including Switch Current)
OFF Mode
0.6
0.2
2.5
100
mA
µA
V
IH
SHDN Input High Threshold 2 V
V
IL
SHDN Input Low Threshold 0.25 V
I
SHDN
Shutdown Input Leakage
Current
1 µA
V
LOCK
Under Voltage Lockout V
CC
Falling 2.7 3 V
R
DS(on)
LX On Resistance I
LX
=500mA 1 Ω
I
LEAK
LX Leakage Current V
CC
= 12V V
LX
= 0V 10 nA
V
REF
Reference Voltage T
A
= 25°C 1.18 1.25 1.32 V
∆V
REF
Temeperature Reference
Drift
T
A
= T
MIN
to T
MAX
50 ppm/°C
f
OSC
Switching Frequency 159 200 212.5 KHz
R
C
Compensation Pin
Impedance
7500 Ω
CC
SS
REF
SHDN
Vcc
Lx
OUT
GND
+
470 pF
220 µF
1 µF
1500 pF
100 µF
22 µH
Vout
Vin
0.047 µF
STPS330U
+
ST763A SERIES
5/10
TYPICAL PERFORMANCE CHARACTERISTICS (unless otherwise specified T
j
= 25°C
Figure 1 : Output Voltage vs Temperature
Figure 2 : Output Voltage vs Input Voltage
Figure 3 : Reference Voltage vs Temperature
Figure 4 : Efficency vs Temperature
Figure 5 : Efficency vs Output Current
Figure 6 : LX Leakage Current vs Temperature
ST763A SERIES
6/10
Figure 7 : LX ON Resistance vs Temperature
Figure 8 : Shutdown Input Threshold vs
Temperature
Figure 9 : Shutdown Input Leakage Current vs
Temperature
Figure 10 : Oscillator Frequency vs Temperature
Figure 11 : Oscillator Frequency vs Input Voltage
Figure 12 : Switching Waveforms, Continuous
Conduction
V
I
=
6V
,
I
O
=
2
5
0
m
A
P1-P3P4-P6P7-P9P10-P10

ST763ABDTR

Mfr. #:
Buy ST763ABDTR
Manufacturer:
STMicroelectronics
Description:
IC REG BUCK 3.3V 500MA 8SO
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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