MAX1802EHJ データシートの表示（PDF） - Maxim Integrated
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MAX1802EHJ Datasheet PDF : 28 Pages
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Digital Camera Step-Down
Power Supply
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, VVDDM = 6V, VVDDC = 3V, PGNDM = PGND = GND, DCON1 = REF, VONM = 3V, VONC = VON1 = VDCON2 =
VDCON3 = 0, TA = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
LOGIC INPUTS (ONM, ONC, ON1)
Input Low Level
Input High Level
VIL
ONM
VIH
ONC, ON1
0.4
V
1.8
V
1.6
Input Leakage Current
ONM: VIN = 0 or 11V;
ONC, ON1: VIN = 0 or 5V
MAIN DC-DC CONVERTER
Main Output Voltage Adjust Range
VOUT
2.7
Main Idle Mode Threshold
VOSC = 0.625V, measured between
2
VDDM and LXM
1
µA
5.5
V
35
mV
Main Current-Sense Amplifier
Voltage Gain
AVCSM
Measured between VDDM and LXM
8.4
10.2
V/V
Main Zero-Crossing Threshold
Main Slope Compensation Gain
MAIN ERROR AMPLIFIER
FBM Regulation Voltage
AVSWM
Measured between LXM and PGNDM
-20
0.16
Unity gain configuration, FBM = COMPM 1.230
-8
mV
0.24
V/V
1.265
V
FBM to COMPM
Transconductance
FBM Input Leakage Current
COMPM Minimum Output
Voltage
GEA
Unity gain configuration, FBM = COMPM,
-5µA < ILOAD < 5µA
70
VFBM = 1.35V
VFBM = 1.35V, COMPM open
0.3
160
µS
100
nA
V
COMPM Maximum Output
Voltage
VCOMPM(MAX) VFBM = 1.15V, COMPM open
2.00
2.27
V
MAIN DRIVERS (DHM, DLM)
Output Low Voltage
Output High Voltage
Driver Resistance
CORE DC-DC CONVERTER (VONC = 3V)
Core Output Voltage Adjust
Range
VOUT
ISINK = 10mA
ISOURCE = 10mA
IDHM = 10mA, IDLM = 10mA
VVDDM -
0.11
1.25
0.11
V
V
11
Ω
5.5
V
Core Idle Mode Threshold
Core Current-Sense Amplifier
Transresistance
RCSC
VOSC = 0.625V
40
360
mA
0.7
1.3
V/A
Core Slope Compensation Gain
AVSWC
CORE ERROR AMPLIFIER (VONC = 3V)
FBC Regulation Voltage
0.16
Unity gain configuration, FBC = COMPC 1.230
0.24
V/V
1.265
V
FBC to COMPC
Transconductance
GEA
Unity gain configuration, FBC = COMPC,
-5µA < ILOAD < 5µA
70
160
µS
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