MAX5035(2003) データシートの表示（PDF） - Maxim Integrated
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MAX5035 Datasheet PDF : 17 Pages
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1A, 76V, High-Efficiency MAXPower
Step-Down DC-DC Converter
ELECTRICAL CHARACTERISTICS (continued)
(VIN = +12V, VON/OFF = +12V, IOUT = 0, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C. See the
Typical Application Circuit.)
PARAMETER
SYMBOL
Shutdown Current
Peak Switch Current Limit
Switch Leakage Current
Switch On-Resistance
PFM Threshold
FB Input Bias Current
ON/OFF CONTROL INPUT
ON/OFF Input-Voltage Threshold
ON/OFF Input-Voltage Hysteresis
ON/OFF Input Current
OSCILLATOR
ISHDN
ILIM
IOL
RDS(ON)
IPFM
IB
VON/OFF
VHYST
ION/OFF
Oscillator Frequency
Maximum Duty Cycle
VOLTAGE REGULATOR
fOSC
DMAX
Regulator Output Voltage
VD
Dropout Voltage
Load Regulation
∆VD/∆IVD
PACKAGE THERMAL CHARACTERISTICS
Thermal Resistance
(Junction to Ambient)
θJA
THERMAL SHUTDOWN
Thermal-Shutdown Junction
Temperature
TSH
Thermal-Shutdown Hysteresis
THYST
CONDITIONS
VON/OFF = 0V, VIN = 7.5V to 76V
(Note 1)
VIN = 76V, VON/OFF = 0V, VLX = 0V
ISWITCH = 1A
Minimum switch current in any cycle
MAX5035D
Rising trip point
VON/OFF = 0V to VIN
MAX5035D
VIN = 8.5V to 76V, IL = 0mA
7.5V ≤ VIN ≤ 8.5V, IL = 1mA
0 to 5mA
SO package (JEDEC 51)
DIP package (JEDEC 51)
MIN TYP MAX UNITS
10
45
µA
1.80 2.40
A
1
µA
0.40 0.80
Ω
55
85
110
mA
-12 +0.01 +12
nA
1.53 1.69 1.85
V
100
mV
10
150
nA
109
125
135
kHz
95
%
6.9
7.8
8.8
V
2.0
V
150
mV/mA
170
°C/W
110
+160
°C
20
°C
Note 1: Switch current at which current limit is activated.
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