MAX17075(2008) データシートの表示（PDF） - Maxim Integrated
部品番号
コンポーネント説明
一致するリスト
MAX17075
(Rev.:2008)
(Rev.:2008)
Maxim Integrated
MAX17075 Datasheet PDF : 22 Pages
| |||
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 +85°C, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN TYP
VCC Input Supply Range
VCC Undervoltage-Lockout Threshold
VCC Shutdown Current
VCC Quiescent Current
REFERENCE
REF Output Voltage
VCC rising, hysteresis (typ) = 50mV
VFB = 1.3V, not switching
VFB = 1.0V, switching
No external load
2.5
2.05
1.230
REF Load Regulation
0 < ILOAD < 50μA
REF Sink Current
In regulation
10
REF Undervoltage-Lockout Threshold
OSCILLATOR AND TIMING
Rising edge, hysteresis (typ) = 200mV
Frequency
Oscillator Maximum Duty Cycle
Duration to Trigger Fault Condition
DEL Capacitor Charge Current
DEL Turn-On Threshold
STEP-UP REGULATOR
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
FB or FBP or FBN below threshold
During startup, VDEL = 1.0V
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
1000
86
47
4
1.19
VIN
1.230
0.96
-0.25
50
75
2.5
0.10
POSITIVE CHARGE-PUMP REGULATOR
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
UNITS
V
V
μA
mA
1.267
V
6
mV
μA
1.15
V
1400 kHz
94
%
65
ms
6
μA
1.31
V
18
V
1.267
V
1.04
V
+0.25 %/V
200
nA
280
μS
3.5
A
0.25
0.30
V/A
18
V
21
V
+2%
V
0.2
%/V
+50
nA
6
3
1.04
V
5
ms
_______________________________________________________________________________________ 5
Share Link: