参数资料
型号: MAX17075ETG+
厂商: Maxim Integrated Products
文件页数: 5/23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: 75
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: 管件
MAX17075
Boost Regulator with Integrated Charge Pumps,
Switch Control, and High-Current Op Amp
ELECTRICAL CHARACTERISTICS
(V CC = +5V, Circuit of Figure 1, V AVDD = V SUP = +13V, T A = -40°C to +105°C , unless otherwise noted.) (Note 1)
PARAMETER
V CC Input Supply Range
V CC Undervoltage-Lockout Threshold
CONDITIONS
V CC rising, hysteresis (typ) = 50mV
MIN
2.5
2.05
TYP
MAX
5.5
2.45
UNITS
V
V
V CC Shutdown Current
200
μA
V CC Quiescent Current
V FB = 1.3V, not switching
V FB = 1.0V, switching
1.5
5
mA
REFERENCE
REF Output Voltage
No external load
1.230
1.267
V
REF Load Regulation
REF Sink Current
REF Undervoltage-Lockout Threshold
0 < I LOAD < 50μA
In regulation
Rising edge, hysteresis (typ) = 200mV
10
6
1.17
mV
μA
V
OSCILLATOR AND TIMING
Frequency
Oscillator Maximum Duty Cycle
1000
86
1400
94
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
65
6
1.31
ms
μA
V
STEP-UP REGULATOR
Output Voltage Range
V IN
18
V
FB Regulation Voltage
FB Fault Trip Level
FB Line Regulation
FB Input Bias Current
FB Transconductance
LX Current Limit
FB = COMP, C COMP = 1nF
Falling edge
V CC = 2.5V to 5.5V
V FB = 1.25V
? I = ±2.5μA at COMP, FB = COMP
V FB = 1.1V, duty cycle = 75%
1.230
0.96
-0.25
50
75
2.5
1.267
1.04
+0.25
200
280
3.5
V
V
%/V
nA
μS
A
LX On-Resistance
Current-Sense Transresistance
I LX = 200mA
0.10
0.25
0.30
?
V/A
POSITIVE CHARGE-PUMP REGULATOR
V SUP Input Supply Range
6
18
V
V SUP Overvoltage Threshold
V SUP = rising, hysteresis = 200mV
19
21
V
FBP Regulation Voltage
FBP Line Regulation Error
V SUP = 8V to 18V, V GON = 30V
-2%
1.25
+2%
0.2
V
%/V
FBP Input Bias Current
DRVP PCH On-Resistance
DRVP NCH On-Resistance
FBP Fault Trip Level
Positive Charge-Pump Soft-Start Period
V FBP = 1.5V, T A = +25 ° C
Falling edge
7-bit voltage ramp with filtering to prevent
high peak currents
-50
0.96
+50
6
3
1.04
5
nA
?
?
V
ms
Maxim Integrated
5
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