参数资料
| 型号： | LT1580IQ#TR |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC REGULATOR LDO ADJ 7A DDPAK-5 |
| 标准包装： | 750 |
| 应用： | 转换器，Intel Pentium? |
| 输入电压： | 1.79 V ~ 6 V |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 4.65 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-6，D²Pak（5 引线+接片），TO-263BA |
| 供应商设备封装： | D2PAK-5 |
| 包装： | 带卷 (TR) |
LT1580/LT1580-2.5
ELECTRICAL CHARACTERISTICS
PARAMETER
Load Regulation: LT1580-2.5
LT1580 (V ADJ = 0V)
Minimum Load Current: LT1580
Control Pin Current: LT1580-2.5
(Note 4)
Control Pin Current: LT1580
(Note 4)
Ground Pin Current: LT1580-2.5
ADJ Pin Current: LT1580 (V ADJ = 0V)
Current Limit: LT1580-2.5
LT1580 (V ADJ = 0V)
Ripple Rejection: LT1580-2.5
LT1580
Thermal Regulation
CONDITIONS
V CONTROL = 5V, V POWER = 3.3V, I LOAD = 0mA to 7A
V CONTROL = 2.75V, V POWER = 2.1V, I LOAD = 10mA to 7A
V CONTROL = 5V, V POWER = 3.3V, V ADJ = 0V (Note 3)
V CONTROL = 5V, V POWER = 3.3V, I LOAD = 100mA, 0 ° C ≤ T J ≤ 125 ° C
V CONTROL = 5V, V POWER = 3.3V, I LOAD = 100mA, – 40 ° C ≤ T J < 0 ° C
V CONTROL = 5V, V POWER = 3.3V, I LOAD = 4A, 0 ° C ≤ T J ≤ 125 ° C
V CONTROL = 5V, V POWER = 3.3V, I LOAD = 4A, – 40 ° C ≤ T J < 0 ° C
V CONTROL = 5V, V POWER = 3V, I LOAD = 4A, 0 ° C ≤ T J ≤ 125 ° C
V CONTROL = 5V, V POWER = 3V, I LOAD = 4A, – 40 ° C ≤ T J < 0 ° C
V CONTROL = 5V, V POWER = 3.3V, I LOAD = 7A, 0 ° C ≤ T J ≤ 125 ° C
V CONTROL = 5V, V POWER = 3.3V, I LOAD = 6.5A, – 40 ° C ≤ T J < 0 ° C
V CONTROL = 2.75V, V POWER = 2.05V, I LOAD = 100mA, 0 ° C ≤ T J ≤ 125 ° C
V CONTROL = 2.75V, V POWER = 2.05V, I LOAD = 100mA, – 40 ° C ≤ T J < 0 ° C
V CONTROL = 2.75V, V POWER = 2.05V, I LOAD = 4A, 0 ° C ≤ T J ≤ 125 ° C
V CONTROL = 2.75V, V POWER = 2.05V, I LOAD = 4A, – 40 ° C ≤ T J < 0 ° C
V CONTROL = 2.75V, V POWER = 1.75V, I LOAD = 4A, 0 ° C ≤ T J ≤ 125 ° C
V CONTROL = 2.75V, V POWER = 1.75V, I LOAD = 4A, – 40 ° C ≤ T J < 0 ° C
V CONTROL = 2.75V, V POWER = 2.05V, I LOAD = 7A, 0 ° C ≤ T J ≤ 125 ° C
V CONTROL = 2.75V, V POWER = 2.05V, I LOAD = 6.5A, – 40 ° C ≤ T J < 0 ° C
V CONTROL = 5V, V POWER = 3.3V, I LOAD = 0mA
V CONTROL = 2.75V, V POWER = 2.05V, I LOAD = 10mA
V CONTROL = 5V, V POWER = 3.3V, ? V OUT = 100mV, 0 ° C ≤ T J ≤ 125 ° C
V CONTROL = 5V, V POWER = 3.3V, ? V OUT = 100mV, – 40 ° C ≤ T J < 0 ° C
V CONTROL = 2.75V, V POWER = 2.05V, ? V OUT = 100mV, 0 ° C ≤ T J ≤ 125 ° C
V CONTROL = 2.75V, V POWER = 2.05V, ? V OUT = 100mV, – 40 ° C ≤ T J < 0 ° C
V C = V P = 5V Avg, V RIPPLE = 1V P-P , I OUT = 4A, T J = 25 ° C
V C = V P = 3.75V Avg, V RIPPLE = 1V P-P , V ADJ = 0V, I OUT = 4A, T J = 25 ° C
30ms Pulse
q
q
q
q
q
MIN
7.1
6.6
7.1
6.6
60
60
TYP
1
1
5
6
30
33
60
6
30
33
60
6
50
8
8
80
80
0.002
MAX
5
5
10
10
12
60
70
70
80
120
130
10
12
60
70
70
80
120
130
10
120
0.020
UNITS
mV
mV
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
μ A
A
A
A
A
dB
dB
%/W
Thermal Resistance, Junction-to-Case T, T7 Packages, Control Circuitry/Power Transistor
Dropout Voltage (Note 2)
0.65/2.70
° C/W
Minimum V CONTROL : LT1580-2.5
(V CONTROL – V OUT )
Minimum V CONTROL : LT1580
(V CONTROL – V OUT )
(V ADJ = 0V)
V POWER = 3.3V, I LOAD = 100mA, 0 ° C ≤ T J ≤ 125 ° C
V POWER = 3.3V, I LOAD = 100mA, – 40 ° C ≤ T J < 0 ° C
V POWER = 3.3V, I LOAD = 1A, 0 ° C ≤ T J ≤ 125 ° C
V POWER = 3.3V, I LOAD = 1A, – 40 ° C ≤ T J < 0 ° C
V POWER = 3.3V, I LOAD = 4A, 0 ° C ≤ T J ≤ 125 ° C
V POWER = 3.3V, I LOAD = 4A, – 40 ° C ≤ T J < 0 ° C
V POWER = 3.3V, I LOAD = 7A, 0 ° C ≤ T J ≤ 125 ° C
V POWER = 3.3V, I LOAD = 6.5A, – 40 ° C ≤ T J < 0 ° C
V POWER = 2.05V, I LOAD = 100mA, 0 ° C ≤ T J ≤ 125 ° C
V POWER = 2.05V, I LOAD = 100mA, – 40 ° C ≤ T J < 0 ° C
V POWER = 2.05V, I LOAD = 1A, 0 ° C ≤ T J ≤ 125 ° C
V POWER = 2.05V, I LOAD = 1A, – 40 ° C ≤ T J < 0 ° C
V POWER = 2.05V, I LOAD = 2.75A, 0 ° C ≤ T J ≤ 125 ° C
V POWER = 2.05V, I LOAD = 2.75A, – 40 ° C ≤ T J < 0 ° C
V POWER = 2.05V, I LOAD = 4A, 0 ° C ≤ T J ≤ 125 ° C
V POWER = 2.05V, I LOAD = 4A, – 40 ° C ≤ T J < 0 ° C
V POWER = 2.05V, I LOAD = 7A, 0 ° C ≤ T J ≤ 125 ° C
V POWER = 2.05V, I LOAD = 6.5A, – 40 ° C ≤ T J < 0 ° C
1.00
1.00
1.06
1.15
1.00
1.00
1.05
1.06
1.15
1.15
1.20
1.15
1.20
1.20
1.25
1.30
1.35
1.15
1.20
1.15
1.20
1.18
1.23
1.20
1.25
1.30
1.35
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
3
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