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參數(shù)資料
| 型號： | MAX1577ZETA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 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 |
| 封裝： | 3 X 3 MM, 0.8 MM HEIGHT, MO-229, TDFN-8 |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 664K |
| 代理商： | MAX1577ZETA |
M
1.2A White LED Regulating Charge Pump for
Camera Flashes and Movie Lights
_______________________________________________________________________________________
3
LED CURRENT vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
L
5.1
4.7
4.3
3.9
3.5
3.1
200
400
600
800
1000
1200
0
2.7
5.5
R
CS
= 0.27
1100mA AT 3.78V
F
370mA AT 3.33V
F
220mA AT 3.15V
F
EFFICIENCY vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
E
5.1
4.7
3.9
4.3
3.5
3.1
10
20
30
40
50
60
70
80
90
100
0
2.7
5.5
R
CS
= 0.27
220mA AT 3.15V
F
370mA AT 3.33V
F
1100mA AT 3.78V
F
BATTERY CURRENT vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
B
5.1
4.7
3.9
4.3
3.5
3.1
500
1000
1500
2000
2500
0
2.7
5.5
R
CS
= 0.27
220mA AT 3.15V
F
370mA AT 3.33V
F
1100mA AT 3.78V
F
LED CURRENT vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
L
5.1
4.7
4.3
3.9
3.5
3.1
100
200
300
400
500
900
600
700
800
0
2.7
5.5
R
CS
= 0.39
770mA AT 3.66V
F
250mA AT 3.21V
F
150mA AT 3.06V
F
EFFICIENCY vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
E
5.1
4.7
3.9
4.3
3.5
3.1
10
20
30
40
50
60
70
80
90
100
0
2.7
5.5
R
CS
= 0.39
770mA AT 3.66V
F
250mA AT 3.21V
F
150mA AT 3.06V
F
BATTERY CURRENT vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
B
5.1
4.7
3.9
4.3
3.5
3.1
400
200
600
800
1000
1800
1600
1200
1400
0
2.7
5.5
R
CS
= 0.39
770mA AT 3.66V
F
250mA AT 3.21V
F
150mA AT 3.06V
F
Typical Operating Characteristics
(V
IN
= 3.6V, circuit of Figure 2, R
CS
= 0.27
, Luxeon LXCL-PWF1 LED, T
A
= +25
°
C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS (continued)
(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)
Note 1:
Limits are 100% production tested at T
A
= +25
°
C. Limits over the operating temperature range are guaranteed by design.
PARAMETER
CONDITIONS
MIN
1.6
1.4
TYP
MAX
UNITS
V
IN
= 4.2V to 5.5V
V
IN
= 2.7V to 4.2V
V
IN
= 2.7V to 5.5V
EN_ Logic-High Voltage
V
EN_ Logic-Low Voltage
0.4
1
V
T
A
= +25°C
T
A
= +85°C
0.02
0.02
+160
20
Logic Input Current
V
EN
_ = 0V or 5.5V
μA
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
T
J
rising
°
C
°
C
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| 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照明驅(qū)動器 1.2A White LED Charge Pump RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| MAX1577ZETA-T | 功能描述:電荷泵 RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MAX1577ZEVKIT | 功能描述:電荷泵 Evaluation Kit for the MAX1577Y MAX1577Z RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MAX1578ETG | 功能描述:LED照明驅(qū)動器 Cmplete Bias & White LED Power Supply RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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