LT1038 Datasheet, PDF (2/8 Pages) Linear Technology – 10Amp Positive Adjustable Voltage Regulator

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
V_IN
2
ORDER PART
NUMBER
LT1038MK
1
CASE
ADJ
IS OUTPUT
LT1038CK
K PACKAGE
2-LEAD TO-3 METAL CAN
T_JMAX = 3°C, θ_JA = 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 T_A = 25°C. (Note 2)
SYMBOL
V_REF
∆V_OUT
∆V_IN
∆V_OUT
∆I_OUT
I_ADJ
∆I_ADJ
I_SC
∆V_OUT
∆Temp
∆V_OUT
∆Time
e_n
θ_JC
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_OUT)
Thermal Resistance
Junction to Case
CONDITIONS
I_OUT = 20mA, T_j = 25°C
3V ≤ (V_IN – V_OUT) ≤ 35V
20mA ≤ I_OUT ≤ 10A, P ≤ 75W
3V ≤ (V_IN – V_OUT) ≤ 35V,
I_OUT = 20mA (Note 3)
20mA ≤ I_OUT ≤ 10A (Note 3)
3V ≤ (V_IN – V_OUT) ≤ 35V
3V ≤ (V_IN – V_OUT) ≤ 35V
20ms Pulse
V_OUT = 10V, f = 120Hz
C_ADJ = 0µF
C_ADJ = 10µF
20mA ≤ I_OUT ≤ 10A
3V ≤ (V_IN – V_OUT) ≤ 35V
(V_IN – V_OUT) = 35V
(V_IN – V_OUT) ≤ 20V
(V_IN – V_OUT) ≤ 10V
DC
Transient (0.5ms)
(V_IN – V_OUT) = 30V, T_j = 25°C
T_A = 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