MAX5071 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
メーカー
MAX5071 Datasheet PDF : 22 Pages
| |||
High-Performance, Single-Ended, Current-Mode
PWM Controllers
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +15V, RT = 10kΩ, CT = 3.3nF, VVREF = OPEN, CVREF = 0.1µF, COMP = OPEN, VFB = 2V, CS = GND, TA = -40°C to +85°C,
unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
Power-Supply Rejection Ratio
Input Bias Current
PSRR
ICS
12V ≤ VCC ≤ 25V
Delay From CS to OUT
tCS_DELAY 50mV overdrive
MOSFET DRIVER
OUT Low-Side On-Resistance
VRDS_ONL
OUT High-Side On-Resistance
VRDS_ONH
ISOURCE (Peak)
ISOURCE
ISINK (Peak)
ISINK
Rise Time
tr
Fall Time
tf
UNDERVOLTAGE LOCKOUT/STARTUP
ISINK = 200mA
ISOURCE = 100mA
COUT = 10nF
COUT = 10nF
COUT = 1nF
COUT = 1nF
Startup Voltage Threshold
VCC_START
Minimum Operating Voltage After
Turn-On
VCC_MIN
Undervoltage-Lockout Hysteresis
PWM
UVLOHYST
Maximum Duty Cycle
DMAX
MAX5070A/MAX5071A
MAX5070B/MAX5071B/MAX5071C
Minimum Duty Cycle
SUPPLY CURRENT
DMIN
Startup Supply Current
ISTART
Operating Supply Current
ICC
VFB = VCS = 0V
Zener Bias Voltage at VCC
VZ
ICC = 25mA
THERMAL SHUTDOWN
Thermal Shutdown
TSHDN
Thermal-Shutdown Hysteresis
THYST
SYNCHRONIZATION (MAX5071A/MAX5071B only) (Note 5)
SYNC Frequency Range
fSYNC
SYNC Clock Input High
Threshold
VSYNCINH
SYNC Clock Input Low Threshold VSYNCINL
SYNC Clock Input Minimum
Pulse Width
tPW_SYNCIN
SYNC Clock Output High Level
SYNC Clock Output Low Level
SYNC Leakage Current
VSYNCOH
VSYNCOL
ISYNC
1mA external pulldown
RSYNC = 5kΩ
VSYNC = 0V
MIN TYP MAX UNITS
70
dB
-1
-2.5
µA
60
ns
4.5
10
Ω
3.5
7
Ω
2
A
1
A
15
ns
22
ns
15.2
16
16.8
V
9.2
10
10.8
V
6
V
94.5
96
97.5
%
48
49.8
50
0
%
32
65
µA
3
5
mA
24
26.5
V
+150
°C
30
°C
20
1000 kHz
3.5
V
0.8
V
200
ns
4.0
4.7
V
0
0.1
V
0.01 0.1
µA
_______________________________________________________________________________________ 3
Share Link: 