参数资料
| 型号： | LT1528CQ |
| 厂商： | Linear Technology |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V/ADJ 3A DDPAK-5 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式和可调式 |
| 输出电压： | 3.3V，3.3 V ~ 14.15 V |
| 输入电压： | 3.9 V ~ 15 V |
| 电压 - 压降（标准）： | 0.57V @ 3A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 3A |
| 电流 - 限制（最小）： | 3.2A |
| 工作温度： | 0°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： | 管件 |
LT1528
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T J = 25°C.
PARAMETER
Dropout Voltage (Note 5)
GND Pin Current (Note 6)
CONDITIONS
I LOAD = 100mA
I LOAD = 100mA
I LOAD = 700mA
I LOAD = 700mA
I LOAD = 1.5A
I LOAD = 1.5A
I LOAD = 3A
I LOAD = 3A
I LOAD = 0mA
l
l
l
l
MIN
TYP
150
280
390
570
450
MAX
200
250
320
420
450
600
670
850
750
UNITS
mV
mV
mV
mV
mV
mV
mV
mV
μA
I LOAD = 0mA, T J = 125°C (Note 7)
1.9
mA
I LOAD = 100mA
I LOAD = 100mA, T J = 125°C (Note 7)
I LOAD = 300mA
I LOAD = 300mA, T J = 125°C (Note 7)
I LOAD = 700mA
I LOAD = 700mA, T J = 125°C (Note 7)
1.2
2.7
2.6
4.1
7.3
8.8
2.5
4.0
12.0
mA
mA
mA
mA
mA
mA
SENSE Pin Current (Notes 4, 8)
I LOAD = 1.5A
I LOAD = 3A
l
l
90
22
85
130
40
140
250
mA
mA
μA
SHDN Threshold
SHDN Pin Current (Note 9)
Quiescent Current in Shutdown (Note 10)
Ripple Rejection
V OUT = Off-to-On
V OUT = On-to-Off
V SHDN = 0V
V IN = 6V, V SHDN = 0V
V IN – V OUT = 1V(Avg), V RIPPLE = 0.5V P-P ,
l
l
l
l
0.25
50
1.20
0.75
37
110
67
2.80
100
220
V
V
μA
μA
dB
f RIPPLE = 120Hz, I LOAD = 1.5A
Current Limit
V IN – V OUT = 7V
V IN = 4.3V, ΔV OUT = – 0.1V
l
3.2
4.5
4.0
A
A
Input Reverse Leakage Current
Reverse Output Current (Note 11)
V IN = – 15V, V OUT = 0V
V OUT = 3.3V, V IN = 0V
l
120
1.0
250
mA
μA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The SHDN pin input voltage rating is required for a low
impedance source. Internal protection devices connected to the SHDN
pin will turn on and clamp the pin to approximately 7V or – 0.6V. This
range allows the use of 5V logic devices to drive the pin directly. For
high impedance sources or logic running on supply voltages greater than
5.5V, the maximum current driven into the SHDN pin must be less than
5mA.
Note 3: Operating conditions are limited by maximum junction
temperature. The regulated output voltage speci?cation will not apply
for all possible combinations of input voltage and output current. When
operating at maximum input voltage, the output current must be limited.
When operating at maximum output current, the input voltage range
must be limited.
Note 4: The LT1528 is tested and speci?ed with the SENSE pin
connected to the OUTPUT pin.
Note 5: Dropout voltage is the minimum input/output voltage required to
maintain regulation at the speci?ed output current. In dropout the output
voltage will be equal to: (V IN – V DROPOUT ).
Note 6: GND pin current is tested with V IN = V OUT (nominal) and a
current source load. This means that the device is tested while operating
in its dropout region. This is the worst-case GND pin current. The GND
pin current will decrease slightly at higher input voltages.
Note 7: GND pin current will rise at T J > 75°C. This is due to internal
circuitry designed to compensate for leakage currents in the output
transistor at high temperatures. This allows quiescent current to be
minimized at lower temperatures, yet maintain output regulation at high
temperatures with light loads. See quiescent current curve in typical
performance characteristics section.
Note 8: SENSE pin current ?ows into the SENSE pin.
Note 9: SHDN pin current at V SHDN = 0V ?ows out of the SHDN pin.
Note 10: Quiescent current in shutdown is equal to the total sum of the
SHDN pin current (40μA) and the GND pin current (70μA).
Note 11: Reverse output current is tested with the input pin grounded
and the OUTPUT pin forced to the rated output voltage. This current
?ows into the OUTPUT pin and out of the GND pin.
1528fb
3
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| LT1528CQ#PBF | 功能描述:IC REG LDO 3.3V/ADJ 3A DDPAK-5 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:1 系列:- 稳压器拓扑结构:正，固定式 输出电压:8V 输入电压:10.5 V ~ 23 V 电压 - 压降（标准）:1.7V @ 40mA 稳压器数量:1 电流 - 输出:100mA（最小值） 电流 - 限制（最小）:- 工作温度:0°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:剪切带 (CT) 产品目录页面:1075 (CN2011-ZH PDF) 其它名称:296-24390-1 |
| LT1528CQ#PBF | 制造商:Linear Technology 功能描述:Linear Voltage Regulator IC 制造商:Linear Technology 功能描述:IC, ADJ LDO REG, 3.3V TO 14V 3A D2-PAK-5 |
| LT1528CQ#TR | 功能描述:IC REG LDO 3.3V/ADJ 3A DDPAK5 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:1 系列:- 稳压器拓扑结构:正，固定式 输出电压:3V 输入电压:2.3 V ~ 5.5 V 电压 - 压降（标准）:0.035V @ 150mA 稳压器数量:2 电流 - 输出:150mA 电流 - 限制（最小）:300mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-UFDFN 裸露焊盘，6-TMLF? 供应商设备封装:6-TMLF?（1.6x1.6） 包装:Digi-Reel® 产品目录页面:1104 (CN2011-ZH PDF) 其它名称:576-3018-6 |
| LT1528CQ#TRPBF | 功能描述:IC REG LDO 3.3V/ADJ 3A DDPAK-5 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:1 系列:- 稳压器拓扑结构:正，固定式 输出电压:3V 输入电压:2.3 V ~ 5.5 V 电压 - 压降（标准）:0.035V @ 150mA 稳压器数量:2 电流 - 输出:150mA 电流 - 限制（最小）:300mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-UFDFN 裸露焊盘，6-TMLF? 供应商设备封装:6-TMLF?（1.6x1.6） 包装:Digi-Reel® 产品目录页面:1104 (CN2011-ZH PDF) 其它名称:576-3018-6 |
| LT1528CT | 功能描述:IC REG LDO 3.3V/ADJ 3A TO220-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:1 系列:- 稳压器拓扑结构:正，固定式 输出电压:3V 输入电压:2.3 V ~ 5.5 V 电压 - 压降（标准）:0.035V @ 150mA 稳压器数量:2 电流 - 输出:150mA 电流 - 限制（最小）:300mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-UFDFN 裸露焊盘，6-TMLF? 供应商设备封装:6-TMLF?（1.6x1.6） 包装:Digi-Reel® 产品目录页面:1104 (CN2011-ZH PDF) 其它名称:576-3018-6 |
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