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参数资料
| 型号： | MAX1847EEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR FLYBK INV CM 16QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 345kHz |
| 占空比： | 98% |
| 电源电压： | 3 V ~ 16.5 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 是 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
High-Efficiency, Current-Mode,
Inverting PWM Controller
ABSOLUTE MAXIMUM RATINGS
IN, SHDN to GND ...................................................-0.3V to +20V
PGND to GND .......................................................-0.3V to +0.3V
VL to PGND for V IN ≤ 5.7V...........................-0.3V to (V IN + 0.3V)
VL to PGND for V IN > 5.7V .......................................-0.3V to +6V
EXT to PGND ...............................................-0.3V to (V IN + 0.3V)
REF, COMP to GND......................................-0.3V to (VL + 0.3V)
CS, FB, FREQ, POL, SYNC to GND .........................-0.3V to +6V
Continuous Power Dissipation (T A = +70°C)
10-Pin μMAX (derate 5.6mW/°C above +70°C) ...........444mW
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........696mW
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
Soldering Temperature (reflow)
Lead(Pb)-free...............................................................+260°C
Containing lead(Pb) .....................................................+240°C
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.
ELECTRICAL CHARACTERISTICS
(V SHDN = V IN = +12V, SYNC = GND, PGND = GND, R FREQ = 147k ? ±1%, C VL = 0.47μF, C REF = 0.1μF, T A = 0°C to +85°C , unless
otherwise noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PWM CONTROLLER
Operating Input Voltage Range
3.0
16.5
V
UVLO Threshold
V IN rising
V IN falling
2.6
2.8
2.74
2.95
V
UVLO Hysteresis
60
mV
FB Threshold
FB Input Current
Load Regulation
Line Regulation
No load
V FB = -0.1V
C COMP = 0.068μF, V OUT = -48V,
I OUT = 20mA to 200mA (Note 1)
C COMP = 0.068μF, V OUT = -48V,
V IN = +8V to +16.5V, I OUT = 100mA
-12
-50
-1
0
-6
0.04
12
50
0
mV
nA
%
%
Current-Limit Threshold
CS Input Current
Supply Current
Shutdown Supply Current
CS = GND
V FB = -0.1V, V IN = +3.0V to +16.5V
SHDN = GND, V IN = +3.0V to +16.5V
85
100
10
0.75
10
115
20
1.2
25
mV
μA
mA
μA
REFERENCE AND VL REGULATOR
REF Output Voltage
REF Load Regulation
VL Output Voltage
VL Load Regulation
I REF = 50μA
I REF = 0 to 500μA
I VL = 100μA
I VL = 0.1mA to 2.0mA
1.236
3.85
1.25
-2
4.25
-20
1.264
-15
4.65
-60
V
mV
V
mV
2
_______________________________________________________________________________________
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