LT1963EQ Linear Technology, LT1963EQ Datasheet - Page 8

• Manufacturer Part Number: LT1963EQ
• Description: IC REG LDO ADJ-VOLT 1.5A 5-DD
• Manufacturer: Linear Technology

Specifications of LT1963EQ

• Regulator Topology: Positive Adjustable
• Voltage - Output: 1.21 ~ 20 V
• Voltage - Input: 2.1 ~ 20 V
• Voltage - Dropout (typical): 0.34V @ 1.5A
• Number Of Regulators: 1
• Current - Output: 1.5A
• Current - Limit (min): 1.6A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-5, D²Pak (5 leads + Tab), TO-263BA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: Q1166293

LT1963 Series
TYPICAL PERFOR A CE CHARACTERISTICS
8
3.0
2.5
2.0
1.5
1.0
0.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
0
–50
0
0
SHDN Pin Input Current
Reverse Output Current
Current Limit
V
V
V
V
V
V
∆V
IN
OUT
OUT
OUT
OUT
OUT
2
2
–25
= 0V
OUT
INPUT/OUTPUT DIFFERENTIAL (V)
= 1.21V (LT1963)
= 1.5V (LT1963-1.5)
= 1.8V (LT1963-1.8)
= 2.5V (LT1963-2.5)
= 3.3V (LT1963-3.3)
4
4
= 100mV
T
T
SHDN PIN VOLTAGE (V)
J
J
0
= 125°C
6
6
TEMPERATURE (°C)
= 25°C
LT1963-1.5/-1.8/-2.5/-3.3
8
8
25
10
10 12 14 16 18 20
50
12
LT1963
T
14
75
J
= – 50°C
16
W
100
18
1963 G24
1963 G27
1963 G30
125
U
20
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
30
20
10
0
7
6
5
4
3
2
1
0
0
–50
–50
10
SHDN Pin Input Current
Ripple Rejection
Current Limit
I
V
V
V
L
IN
OUT
IN
= 0.75A
–25
–25
= V
= 7V
= 0V
100
OUT(NOMINAL)
C
OUT
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
+10 × 1µF CERAMIC
= 100µF TANTALUM
FREQUENCY (Hz)
1k
25
25
C
OUT
+1V + 50mV
50
50
= 10µF TANTALUM
10k
75
75
V
RMS
SHDN
100k
100
100
RIPPLE
= 20V
1963 G28
1963 G25
1963 G31
125
125
1M
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
76
74
72
70
68
66
64
62
0
– 50
–50
0
ADJ Pin Bias Current
Reverse Output Current
0
Ripple Rejection
CURRENT FLOWS INTO OUTPUT PIN
V
V
I
V
RIPPLE AT f = 120Hz
T
V
OUT
OUT
L
IN
J
IN
LT1963-1.8
= 0.75A
LT1963-1.5
– 25
= 25°C
1
–25
= V
= 0V
= V
= V
LT1963
OUT(NOMINAL)
2
ADJ
FB
(LT1963-1.5/-1.8/-2.5/-3.3)
0
OUTPUT VOLTAGE (V)
0
(LT1963)
TEMPERATURE (°C)
3
TEMPERATURE (°C)
4
25
25
+1V + 0.5V
5
50
50
6
LT1963-2.5
75
75
7
P-P
LT1963-3.3
8
100
100
1963 G26
1963 G32
1963 G29
9
125
1963fc
125
10