LT1038C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1038C' PDF : 8 Pages View PDF
LT1038
ABSOLUTE AXI U RATI GS
(Note 1)
Power Dissipation ............................... Internally Limited
Input to Output Voltage Differential ......................... 35V
Operating Junction Temperature Range
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
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
BOTTOM VIEW
VIN
2
ORDER PART
NUMBER
LT1038MK
1
CASE
ADJ
IS OUTPUT
LT1038CK
K PACKAGE
2-LEAD TO-3 METAL CAN
TJMAX = 3°C, θJA = 35°C/W
OBSOLETE PACKAGE
PRECO DITIO I G 100% Thermal Limit Burn-in
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2)
SYMBOL
VREF
∆VOUT
∆VIN
∆VOUT
∆IOUT
IADJ
∆IADJ
ISC
∆VOUT
∆Temp
∆VOUT
∆Time
en
θJC
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 VOUT)
Thermal Resistance
Junction to Case
CONDITIONS
IOUT = 20mA, Tj = 25°C
3V ≤ (VIN – VOUT) ≤ 35V
20mA ≤ IOUT ≤ 10A, P ≤ 75W
3V ≤ (VIN – VOUT) ≤ 35V,
IOUT = 20mA (Note 3)
20mA ≤ IOUT ≤ 10A (Note 3)
3V ≤ (VIN – VOUT) ≤ 35V
3V ≤ (VIN – VOUT) ≤ 35V
20ms Pulse
VOUT = 10V, f = 120Hz
CADJ = 0µF
CADJ = 10µF
20mA ≤ IOUT ≤ 10A
3V ≤ (VIN – VOUT) ≤ 35V
(VIN – VOUT) = 35V
(VIN – VOUT) ≤ 20V
(VIN – VOUT) ≤ 10V
DC
Transient (0.5ms)
(VIN – VOUT) = 30V, Tj = 25°C
TA = 125°C, 1000 Hours
10Hz ≤ f ≤ 10kHz
Power Transistor
Control Circuity
LT1038M
MIN TYP MAX
1.24 1.25 1.26
q 1.22 1.25 1.285
LT1038C
MIN TYP MAX
1.23 1.25 1.275
1.22 1.25 1.285
UNITS
V
V
0.005 0.01
q
0.02 0.03
0.005 0.02
%/V
0.02 0.03
%/V
0.1
0.4
q
0.3
0.8
0.002 0.005
0.1
0.6
%
0.3
1.0
%
0.002 0.01
%/W
q
60
60
dB
q 60
75
60
75
dB
q
50
100
50
100
µA
q
0.2
3
q
7
20
q
10
0.2
3
µA
7
20
mA
10
mA
q 10
14
10
14
A
14
22
12
22
A
1
2
1
2
A
q
1
2
1
%
0.3
1
0.3
1
%
0.001
0.001
%
q
1
0.5
1
°C/W
0.5
°C/W
2
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