Datasheet

LM350
2
Absolute Maximum Ratings
Electrical Characteristics
(V
I
-V
O
= 5V, I
O
= 1.5A, T
J
= 0°C to +125°C; P
D
≤ P
DMAX
, unless otherwise specified)
Note:
1. Regulation is measured at constant junction temperature. Changes in output voltage due to heating effects must be taken into
account separately. Pulse testing with low duty cycle is used.
Parameter Symbol Value Unit
Input Output Voltage Differential V
I
- V
O
35 V
DC
Lead Temperature (Soldering, 10sec) T
LEAD
300 °C
Power Dissipation P
D
Internally limited -
Operating Temperature Range T
OPR
0 ~ +125 °C
Storage Temperature Range T
STG
-65 ~ +150 °C
Parameter Symbol
Conditions
Min. Typ. Max. Unit
Line Regulation (Note1) Rline T
A
= +25°C, 3V ≤ V
I
-V
O
≤ 35V - 0.015 0.03 %/V
Load Regulation (Note1)
Rload
T
A
= +25°C, 3V ≤ V
I
-V
O
≤ 35V
V
O
≤ 5V
V
O
≥ 5V
-5
0.1
25
0.5
mV
%
Adjustment Pin Current I
ADJ
- - 50 100 μA
Adjustment Pin Current
Change
ΔI
ADJ
3V ≤ V
I
-V
O
≤ 35V,
10mA ≤ I
o
≤ 3A, P
D
≤ P
MAX
-0.25.0μA
Thermal Regulation REG
T
Pulse = 20ms, T
A
=+25°C - 0.002 - %/W
Reference Voltage V
REF
3V ≤ V
I
-V
O
≤ 35V, 10mA ≤I
O
≤ 3A,P
D
≤ 30W 1.2 1.25 1.30 V
Line Regulation Rline 3.0V ≤ V
I
-V
O
≤ 35V - 0.02 0.07 %/W
Load Regulation Rload
10mA ≤ I
O
≤ 3.0A
V
O
≤ 5.0V
V
O
≥ 5.0V
-20
0.3
70
1.5
mV
%
Temperature Stability ST
T
T
J
= 0°C to +125°C-1.0-%
Maximum Output Current I
o(MAX)
V
I
-V
O
≤ 10V, P
D
≤ P
MAX
3.0 4.5 - A
V
I
-V
O
= 30V, P
D
≤ P
MAX
,T
A
= +25°C 0.25 1.0 - A
Minimum Load Current I
L(MIN)
V
I
-V
O
= 35V - 3.5 10 mA
RMS Noise, %of V
OUT
V
N
10Hz ≤ f ≤ 10kHz, T
A
= +25°C - 0.003 - %/V
o
Ripple Rejection RR
V
O
= 10V, f = 120Hz,
C
ADJ
= 0
C
ADJ
= 10μF66
65
80
-dB
dB
Long-Term Stability ST T
J
= +125°C-0.31
%/
1000HR