LT1033_02 Datasheet, PDF (2/12 Pages) Linear Technology – 3A Negative Adjustable Regulator

LT1033
ABSOLUTE AXI U RATI GS (Note 1)
Power Dissipation ....................................... Internally Limited
Input to Output Voltage Differential ................................. 35V
Operating Junction Temperature Range
LT1033M (OBSOLETE) ............................... –55°C to 150°C
LT1033C ......................................................... 0°C to 125°C
Storage Temperature Range
LT1033M (OBSOLETE) ............................... –65°C to 150°C
LT1033C ..................................................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec.) ........................ 300°C
UW U
PACKAGE/ORDER I FOR ATIO
BOTTOM VIEW
12
ADJ V_OUT
CASE IS
V_IN
K PACKAGE
4-LEAD TO-3 METAL CAN
T_JMAX = 150°C, θ_JA = 35°C/W(MK)
T_JMAX = 125°C, θ_JA = 35°C/W(CK)
OBSOLETE PACKAGE
Consider the P or T Packages for Alternate Source
ORDER PART NUMBER
LT1033MK
LT1033CK
FRONT VIEW
V_OUT
V_IN
ADJ
CASE IS V_IN
T PACKAGE
3-LEAD PLASTIC TO-220
T_JMAX = 125°C, θ_JA = 50°C/W
ORDER PART NUMBER
LT1033CT
Consult LTC Marketing for parts specified with wider operating temperature ranges.
FRONT VIEW
V_OUT
V_IN
ADJ
CASE IS V_IN
P PACKAGE
3-LEAD PLASTIC TO-3P
T_JMAX = 125°C, θ_JA = 35°C/W
ORDER PART NUMBER
LT1033CP
ELECTRICAL CHARACTERISTICS (Note 2)
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are T_A = 25°C.
SYMBOL PARAMETER
V_REF
Reference Voltage
∆V_OUT
∆I_OUT
Load Regulation
∆V_OUT
∆V_IN
Line Regulation
Ripple Rejection
Thermal Regulation
CONDITIONS
|V_IN – V_OUT| = 5V, I_OUT = 5mA,
T_J = 25°C
3V ≤ |V_IN – V_OUT| ≤ 35V
5mA ≤ I_OUT ≤␣ I_MAX, P ≤ P_MAX
10mA ≤ I_OUT ≤ I_MAX, (Note 3)
T_J = 25°C,|V_OUT| ≤ 5V
T_J = 25°C,|V_OUT| ≥ 5V
|V_OUT| ≤ 5V
|V_OUT| ≥ 5V
3V ≤ |V_IN – V_OUT| ≤ 35V, (Note 2)
T_J = 25°C
V_OUT = –10V, f = 120Hz
C_ADJ = 0
C_ADJ = 10µF
T_J = 25°C, 10ms Pulse
LT1033M
MIN TYP MAX
LT1033C
MIN TYP MAX UNITS
–1.238 –1.250 –1.262 –1.238 –1.250 –1.262
V
q –1.215 –1.250 –1.285 –1.200 –1.250 –1.300
V
10
50
0.2
1.0
q
20
75
q
0.4
1.5
10
50
mV
0.2
1.0
%
20
75
mV
0.4
1.5
%
0.005 0.015
q
0.01 0.04
0.01 0.02 %/V
0.02 0.05 %/V
56
66
70
80
0.002 0.02
60
dB
66
77
dB
0.002 0.02 %/W
1033fc
2