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参数资料
| 型号： | MAX17075ETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/23页 |
| 文件大小： | 0K |
| 描述： | IC DC-DC CONV W/CHRG PUMP 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | LCD 电视机/监控器 |
| 电流 - 电源： | 4mA |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
MAX17075
Boost Regulator with Integrated Charge Pumps,
Switch Control, and High-Current Op Amp
ABSOLUTE MAXIMUM RATINGS
VCC, CTL, RSTIN, RST to AGND ..........................-0.3V to +7.5V
DEL, REF, COMP, FB, FBN,
FBP to AGND .......................................-0.3V to (V VCC + 0.3V)
PGND, BGND to AGND.........................................-0.3V to +0.3V
LX to PGND ............................................................-0.3V to +20V
SUP to PGND .........................................................-0.3V to +20V
DRVN, DRVP to PGND..............................-0.3V to (V SUP + 0.3V)
SRC, COM, DRN to AGND .....................................-0.3V to +40V
DRN to COM............................................................-30V to +30V
SRC to SUP ............................................................................23V
REF Short Circuit to AGND.........................................Continuous
POS, NEG, OUT to AGND...........................-0.3V to (V SUP + 0.3)
DRVN, DRVP RMS Current ...............................................200mA
LX, PGND RMS Current Rating.............................................2.4A
Continuous Power Dissipation (T A = +70 ° C)
24-Pin TQFN (derate 27.8mW/°C above +70°C).......2222mW
Operating Temperature Range, E Grade ............-40 ° C to +85 ° C
Operating Temperature Range, G Grade .........-40 ° C to +105 ° C
Junction Temperature ......................................................+150 ° C
Storage Temperature Range .............................-65 ° C to +160 ° C
Lead Temperature (soldering, 10s) .................................+300 ° C
Soldering Temperature (reflow) .......................................+260 ° 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 VCC = +5V, Circuit of Figure 1, V AVDD = V SUP = +13V, T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
V CC Input Supply Range
V CC Undervoltage-Lockout (UVLO) Threshold
V CC Shutdown Current
V CC Quiescent Current
CONDITIONS
V CC rising, hysteresis (typ) = 50mV
V CC = 2V
V FB = 1.3V, not switching
V FB = 1.0V, switching
MIN
2.5
2.05
TYP
2.25
100
1
4
MAX
5.5
2.45
200
1.5
5
UNITS
V
V
μA
mA
REFERENCE
REF Output Voltage
No external load
1.238
1.250
1.262
V
REF Load Regulation
REF Sink Current
0n < I LOAD < 50μA
In regulation
10
6
mV
μA
REF Undervoltage-Lockout Threshold
Rising edge, hysteresis (typ) = 200mV
1
1.17
V
OSCILLATOR AND TIMING
Frequency
Oscillator Maximum Duty Cycle
1000
87
1200
90
1400
93
kHz
%
Duration to Trigger Fault Condition
DEL Capacitor Charge Current
DEL Turn-On Threshold
FB or FBP or FBN below threshold
During startup, V DEL = 1.0V
47
4
1.19
55
5
1.25
65
6
1.31
ms
μA
V
DEL Discharge Switch On-Resistance
STEP-UP REGULATOR
20
Output Voltage Range
V VCC
18
V
FB Regulation Voltage
FB Fault Trip Level
FB Load Regulation
FB Line Regulation
FB Input Bias Current
FB Transconductance
FB Voltage Gain
FB = COMP, C COMP = 1nF
Falling edge
0 < I LOAD < full, transient only
V CC = 2.5V to 5.5V
V FB = 1.25V
I = ±2.5μA at COMP, FB = COMP
FB to COMP
1.238
0.96
-0.2
50
75
1.250
1
-1
0
125
160
2600
1.262
1.04
+0.2
200
280
V
V
%
%/V
nA
μS
V/V
2
Maxim Integrated
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