lt1038mk Linear Technology Corporation, lt1038mk Datasheet - Page 2

• Manufacturer Part Number: lt1038mk
• Description: 10a Positive Adjustable Voltage Regulator
• Manufacturer: Linear Technology Corporation

PRECO DITIO I G
ABSOLUTE AXI U RATI GS
LT1038
(Note 1)
Power Dissipation ............................... Internally Limited
Input to Output Voltage Differential ......................... 35V
Operating Junction Temperature Range
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
temperature range, otherwise specifications are at T
SYMBOL
V
I
I
e
2
ELECTRICAL CHARACTERISTICS
ADJ
SC
n
JC
REF
V
V
I
Temp
Time
V
I
ADJ
V
V
OUT
OUT
OUT
IN
OUT
OUT
LT1038M Control Circuitry ................ –55 C to 150 C
LT1038M Power Transistor ............... –55 C to 200 C
LT1038C Control Circuitry ..................... 0 C to 125 C
LT1038C Power Transistor .................... 0 C to 175 C
PARAMETER
Reference Voltage
Line Regulation
Load Regulation
Thermal Regulation
Ripple Rejection
Adjust Pin Current
Adjust Pin Current Change
Minimum Load Current
Current Limit
Temperature Stability
Long Term Stability
RMS Output Noise
(% of V
Thermal Resistance
Junction to Case
U
OUT
)
W
U
U
W W
CONDITIONS
I
3V (V
20mA I
3V (V
I
20mA I
20ms Pulse
V
20mA I
3V (V
(V
(V
(V
(V
T
10Hz f 10kHz
Power Transistor
Control Circuity
OUT
OUT
100% Thermal Limit Burn-in
OUT
A
3V (V
3V (V
C
C
DC
Transient (0.5ms)
IN
IN
IN
IN
= 125 C, 1000 Hours
ADJ
ADJ
– V
= 20mA, T
= 20mA (Note 3)
– V
– V
– V
= 10V, f = 120Hz
= 0 F
= 10 F
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
– V
– V
– V
) 20V
) 10V
) = 30V, T
) = 35V
– V
– V
OUT
OUT
OUT
OUT
OUT
j
10A, P 75W
10A (Note 3)
10A
U
= 25 C
) 35V
) 35V
) 35V,
A
) 35V
) 35V
= 25 C. (Note 2)
j
= 25 C
The
denotes the specifications which apply over the full operating
PACKAGE/ORDER I FOR ATIO
1.24
1.22
MIN
60
10
14
1
ADJ
V
IN
LT1038M
T
OBSOLETE PACKAGE
0.005
0.002
0.001
JMAX
1.25
1.25
0.02
2-LEAD TO-3 METAL CAN
TYP
0.1
0.3
0.2
0.3
60
75
50
14
22
7
2
1
BOTTOM VIEW
= 3 C,
K PACKAGE
2
1
1.285
0.005
JA
MAX
1.26
0.01
0.03
100
0.4
0.8
0.5
20
10
= 35 C/W
3
2
1
1
CASE
IS OUTPUT
MIN
1.23
1.22
60
10
12
1
U
LT1038C
0.005
0.002
0.001
1.25
1.25
0.02
TYP
0.1
0.3
0.2
0.3
60
75
50
14
22
7
2
1
ORDER PART
LT1038MK
LT1038CK
W
NUMBER
1.275
1.285
MAX
0.02
0.03
0.01
100
0.6
1.0
0.5
20
10
3
1
1
UNITS
%/W
U
%/V
%/V
C/W
C/W
mA
mA
dB
dB
%
%
%
%
%
V
V
A
A
A
A
A