MAX17075ETG 查看數據表（PDF） - Maxim Integrated
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MAX17075ETG
Maxim Integrated
MAX17075ETG Datasheet PDF : 23 Pages
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MAX17075
Boost Regulator with Integrated Charge Pumps,
Switch Control, and High-Current Op Amp
ELECTRICAL CHARACTERISTICS
(VCC = +5V, Circuit of Figure 1, VAVDD = VSUP = +13V, TA = -40°C to +105°C, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN TYP
VCC Input Supply Range
2.5
VCC Undervoltage-Lockout Threshold
VCC rising, hysteresis (typ) = 50mV
2.05
VCC Shutdown Current
VCC Quiescent Current
VFB = 1.3V, not switching
VFB = 1.0V, switching
REFERENCE
REF Output Voltage
REF Load Regulation
REF Sink Current
REF Undervoltage-Lockout Threshold
No external load
0 < ILOAD < 50µA
In regulation
Rising edge, hysteresis (typ) = 200mV
1.230
10
OSCILLATOR AND TIMING
Frequency
1000
Oscillator Maximum Duty Cycle
Duration to Trigger Fault Condition
DEL Capacitor Charge Current
DEL Turn-On Threshold
STEP-UP REGULATOR
86
FB or FBP or FBN below threshold
47
During startup, VDEL = 1.0V
4
1.19
Output Voltage Range
FB Regulation Voltage
FB Fault Trip Level
FB Line Regulation
FB Input Bias Current
FB Transconductance
LX Current Limit
LX On-Resistance
Current-Sense Transresistance
POSITIVE CHARGE-PUMP REGULATOR
FB = COMP, CCOMP = 1nF
Falling edge
VCC = 2.5V to 5.5V
VFB = 1.25V
∆I = ±2.5µA at COMP, FB = COMP
VFB = 1.1V, duty cycle = 75%
ILX = 200mA
VIN
1.230
0.96
-0.25
50
75
2.5
0.10
VSUP Input Supply Range
VSUP Overvoltage Threshold
FBP Regulation Voltage
FBP Line Regulation Error
FBP Input Bias Current
DRVP PCH On-Resistance
DRVP NCH On-Resistance
FBP Fault Trip Level
VSUP = rising, hysteresis = 200mV
VSUP = 8V to 18V, VGON = 30V
VFBP = 1.5V, TA = +25°C
Falling edge
6
19
-2% 1.25
-50
0.96
Positive Charge-Pump Soft-Start Period
7-bit voltage ramp with filtering to prevent
high peak currents
MAX
5.5
2.45
200
1.5
5
1.267
6
1.17
1400
94
65
6
1.31
18
1.267
1.04
+0.25
200
280
3.5
0.25
0.30
18
21
+2%
0.2
+50
6
3
1.04
5
UNITS
V
V
µA
mA
V
mV
µA
V
kHz
%
ms
µA
V
V
V
V
%/V
nA
µS
A
Ω
V/A
V
V
V
%/V
nA
Ω
Ω
V
ms
Maxim Integrated
5
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