- 您现在的位置：买卖IC网 > PDF目录383326 > MAX1577ZETA (MAXIM INTEGRATED PRODUCTS INC) 1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights PDF资料下载
参数资料
| 型号： | MAX1577ZETA |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights |
| 中文描述： | SWITCHED CAPACITOR REGULATOR, 1250 kHz SWITCHING FREQ-MAX, DSO8 |
| 封装： | 3 X 3 MM, 0.8 MM HEIGHT, MO-229, TDFN-8 |
| 文件页数： | 2/11页 |
| 文件大小： | 664K |
| 代理商： | MAX1577ZETA |
M
1.2A White LED Regulating Charge Pump for
Camera Flashes and Movie Lights
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN, OUT, EN1, EN2 to GND...................................-0.3V to +6.0V
OUT to GND During Shutdown....................-0.3V to (V
IN
+ 0.3V)
OUT to CS .............................................................-0.6V to +0.6V
CS to GND................................................-0.3V to (V
OUT
+ 0.3V)
CN to GND...................................................-0.3V to (V
IN
+ 0.3V)
CP to GND .....-0.3V to the Greater of (V
OUT
+ 1V) or (V
IN
+ 1V)
OUT Short Circuit to GND..........................................Continuous
ELECTRICAL CHARACTERISTICS
(V
IN
= 3.6V, circuit of Figure 2, EN1 = EN2 = IN, R
CS
= 60
, C
IN
= 4.7μF, C1 = 2.2μF, C
OUT
= 10μF, T
A
= -40°C to +85°C, unless
otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Continuous Power Dissipation (T
A
= +70°C)
8-Pin TDFN (derate 18.2mW/°C above +70°C) ..........1455mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
PARAMETER
CONDITIONS
MIN
2.7
2.3
TYP
MAX
5.5
2.6
UNITS
V
V
mV
IN Operating Voltage
Undervoltage-Lockout Threshold
Undervoltage-Lockout Hysteresis
V
IN
rising
2.45
35
5
0.225
0.01
0.2
0.5
5.3
1MHz switching, no load
1x LDO mode, no switching
Supply Current
0.3
1
mA
T
A
= +25
°
C
T
A
= +85
°
C
Shutdown Supply Current
EN1 = EN2 = GND
μA
Soft-Start Time
OUT Overvoltage Protection
ms
V
MAX1577Z, T
A
= +25
°
C,
I
OUT
= 100mA
EN1 or EN2 = IN
4.95
5.10
5.25
EN1 = GND, EN2 = IN
EN1 = IN, EN2 = GND
EN1 = EN2 = IN
3.17
4.40
4.95
3.40
4.60
5.10
3.60
4.80
5.25
OUT Voltage Regulation Mode
MAX1577Y, T
A
= +25
°
C,
I
OUT
= 100mA
V
CS Voltage-Mode Threshold
(V
OUT
- V
CS
)
24
mV
EN1 = GND, EN2 = IN
EN1 = IN, EN2 = GND
EN1 = EN2 = IN
T
A
= +25
°
C
V
IN
= 2.7V to 5.5V, TA = -40
°
C to +85
°
C
60
100
300
±0.5
CS Regulation Voltage
(V
OUT
- V
CS
)
mV
-2
-3
600
800
+2
+3
CS Threshold Accuracy
%
V
IN
= 3.1V
V
IN
= 3.4V
900
1200
0.6
2
Maximum OUT Current
V
LED
= 4.1V, EN1 = EN2 = IN
mA
1x LDO mode
2x mode, V
IN
= 3.4V
Open-Loop OUT Resistance
3
OUT Internal Pulldown in
Shutdown
EN1 = EN2 = GND
5
k
Switching Frequency
0.80
1.0
1.25
MHz
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1577Y | CAP 10UF 50V ELECT TG SMD |
| MAX1577YETA | 1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights |
| MAX1579 | Complete Bias and White LED Power Supplies for Small TFT Displays |
| MAX1578 | Complete Bias and White LED Power Supplies for Small TFT Displays |
| MAX1578-MAX1579 | Complete Bias and White LED Power Supplies for Small TFT Displays |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1577ZETA+ | 制造商:Maxim Integrated Products 功能描述:CHG PUMP STPUP/STPDN 5.1V 1200MA 8TDFN EP - Rail/Tube |
| MAX1577ZETA+T | 功能描述:LED照明驱动器 1.2A White LED Charge Pump RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MAX1577ZETA-T | 功能描述:电荷泵 RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX1577ZEVKIT | 功能描述:电荷泵 Evaluation Kit for the MAX1577Y MAX1577Z RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX1578ETG | 功能描述:LED照明驱动器 Cmplete Bias & White LED Power Supply RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
发布紧急采购，3分钟左右您将得到回复。