
LP2950
http://onsemi.com
3
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.)
Rating
Symbol
Value
Unit
Input Voltage
VCC
30
Vdc
Power Dissipation and Thermal Characteristics
Maximum Power Dissipation
PD
Internally Limited
W
Case 751(SO–8) D Suffix
Thermal Resistance, Junction–to–Ambient
R
θJA
180
°C/W
Thermal Resistance, Junction–to–Case
R
θJC
45
°C/W
Case 369A (DPAK) DT Suffix [Note 1]
Thermal Resistance, Junction–to–Ambient
R
θJA
92
°C/W
Thermal Resistance, Junction–to–Case
R
θJC
6.0
°C/W
Case 29 (TO–226AA/TO–92) Z Suffix
Thermal Resistance, Junction–to–Ambient
R
θJA
160
°C/W
Thermal Resistance, Junction–to–Case
R
θJC
83
°C/W
Case 626 N Suffix
Thermal Resistance, Junction–to–Ambient
R
θJA
105
°C/W
Case 846A (Micro–8) DM Suffix
Thermal Resistance, Junction–to–Ambient
R
θJA
240
°C/W
Feedback Input Voltage
Vfb
–1.5 to +30
Vdc
Shutdown Input Voltage
Vsd
–0.3 to +30
Vdc
Error Comparator Output Voltage
Verr
–0.3 to +30
Vdc
Operating Junction Temperature
TJ
–40 to +125
°C
Storage Temperature Range
Tstg
–65 to +150
°C
NOTE:
1. The Junction–to–Ambient Thermal Resistance is determined by PC board copper area per Figure 26.
2. ESD data available upon request.
ELECTRICAL CHARACTERISTICS (Vin = VO + 1.0 V, IO = 100 A, CO = 1.0 F, TJ = 25°C [Note 1], unless
otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage, 5.0 V Versions
VO
V
Vin = 6.0 V, IO = 100 A, TJ = 25°C
LP2950C–5.0/LP2951C
4.950
5.000
5.050
LP2950AC–5.0/LP2951AC
4.975
5.000
5.025
TJ = – 40 to +125°C
LP2950C–5.0/LP2951C
4.900
–
5.100
LP2950AC–5.0/LP2951AC
4.940
–
5.060
Vin = 6.0 to 30 V, IO = 100 A to 100 mA, TJ = – 40 to +125°C
LP2950C–5.0/LP2951C
4.880
–
5.120
LP2950AC–5.0/LP2951AC
4.925
–
5.075
Output Voltage, 3.3 V Versions
VO
V
Vin = 4.3 V, IO = 100 A, TJ = 25°C
LP2950C–3.3/LP2951C–3.3
3.267
3.300
3.333
LP2950AC–3.3/LP2951AC–3.3
3.284
3.300
3.317
TJ = – 40 to +125°C
LP2950C–3.3/LP2951C–3.3
3.234
–
3.366
LP2950AC–3.3/LP2951AC–3.3
3.260
–
3.340
Vin = 4.3 to 30 V, IO = 100 A to 100 mA, TJ = – 40 to +125°C
LP2950C–3.3/LP2951C–3.3
3.221
–
3.379
LP2950AC–3.3/LP2951AC–3.3
3.254
–
3.346
Output Voltage, 3.0 V Versions
VO
V
Vin = 4.0 V, IO = 100 A, TJ = 25°C
LP2950C–3.0/LP2951C–3.0
2.970
3.000
3.030
LP2950AC–3.0/LP2951AC–3.0
2.985
3.000
3.015
TJ = – 40 to +125°C
LP2950C–3.0/LP2951C–3.0
2.940
–
3.060
LP2950AC–3.0/LP2951AC–3.0
2.964
–
3.036
Vin = 4.0 to 30 V, IO = 100 A to 100 mA, TJ = – 40 to +125°C
LP2950C–3.0/LP2951C–3.0
2.928
–
3.072
LP2950AC–3.0/LP2951AC–3.0
2.958
–
3.042
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