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L4953G
ELECTRICAL CHARACTERISTCS
(V
S
= 14V, T
amb
= 25°C, unless otherwise specified.)
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
S
Operating Supply Voltage 11 18 V
En Output Noise Voltage Any reg. supply,
f = 100Hz to 200KHz
200 400 V
5V STAND-BY OUTPUT VOLTAGE
V
5st-by
Stand-by Output Voltage 4.75 5 5.25 V
V
line
Line Regulation 11V < V
S
< 16V 5 50 mV
V
load
Load Regulation 5mA < Iout < 100mA 12 100 mV
V
dropout
Dropout Voltage I
out
= 100mA, V
S
= 5.5V 0.2 0.6 V
I
qst-by
Quiescent Current @ Stand-by I
Load
= 5mA 0.3 0.65 mA
5V/1000mA SWITCHED OUTPUT VOLTAGE
V
out5
5V Output Voltage no load 4.75 5 5.25 V
V
line
Line Regulation 7V < V
S
< 18V 5 50 mV
V
load
Load Regulation 5mA < Iout < 1A 12 50 mV
V
dropout
Dropout Voltage I
out
= 1A, V
S
= 5.5V 1 1.5 V
I
q
Quiescent Current 75mA < I
out
< 1A 30 100 mA
I
lim
Current Limit Output Shorted to GND 1 1.3 A
SWon Switch ON 3.5 V
SW off Switch OFF 1.5 V
SW hyst Switch Hysteresis 100 200 350 mV
R
in
Input Impedance 10 40 K
9.2V/500mA SWITCHED OUTPUT VOLTAGE
V
out9.2
9.2V Output Voltage no load
9.2±5%
V
V
line
Line Regulation 11V < V
S
< 18V 5 50 mV
V
load
Load Regulation 5mA < I
out
< 500mA 12 50 mV
V
dropout
Dropout Voltage 5.5V < V
in
< 9.2V, I
out
= 500mA 0.4 0.9 V
I
q
Quiescent Current 50mA < I
out
< 500mA 10 25 mA
I
lim
Current Limit Output Shorted to GND 500 600 mA
SVR Supply Voltage Rejection f = 3KHz 45 75 dB
SWon Switch ON 3.5 V
SW off Switch OFF 1.5 V
SW hyst Switch Hysteresis 100 200 500 mV
Rin
Input Impedance 10 40 K
HIGH SIDE DRIVER WITH CLAMPED OUTPUT (16V)
V
out16
Max. Output Voltage V
S
= 18V 14.6 16.2 V
I
O
Output Continuous Current V
S
= 16V 2 A
V
dropout
Dropout Voltage 5V < V
in
< 15V, I
out
= 2A 0.5 1 V
SWon Switch ON 3.5 V
SW off Switch OFF 1.5 V
SW hyst Switch Hysteresis 100 200 500 mV
R
in
Input Impedance 10 40 K
