参数资料
型号: MAX15023EVKIT+
厂商: Maxim Integrated Products
文件页数: 3/28页
文件大小: 0K
描述: KIT EVALUATION FOR MAX15023 CTLR
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 2,非隔离
输出电压: 1.2V,3.3V
电流 - 输出: 10A,5A
输入电压: 9 ~ 16 V
稳压器拓扑结构: 降压
频率 - 开关: 500kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX15023
MAX15023
Wide 4.5V to 28V Input, Dual-Output
Synchronous Buck Controller
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 12V, R T = 33k ? , C VCC = 4.7μF, C IN = 1μF, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.)
(Note 3)
PARAMETER
FB_ to COMP_
Transconductance
SYMBOL
g m
CONDITIONS
I COMP = ±40μA
MIN
650
TYP
1200
MAX
1900
UNITS
μS
Amplifier Open-Loop Gain
Amplifier Unity-Gain Bandwidth
COMP_ Swing (High)
COMP_ Swing (Low)
No load
No load at COMP_
80
10
2.4
0.6
dB
MHz
V
V
COMP_ Source/Sink Current
I COMP_
| I COMP_ |, V COMP_ = 1.5V
45
80
120
μA
ENABLE (EN_)
EN_ Input High
V EN_H
EN_ rising
1.15
1.20
1.25
V
EN_ Input Hysteresis
V EN_HYS
150
mV
EN_ Input Leakage Current
I LEAK_EN_
-250
+250
nA
OSCILLATOR
Switching Frequency
Switching Frequency
Adjustment Range
f SW
Each converter
(Note 4)
460
200
500
540
1000
kHz
kHz
PWM Ramp Peak-to-Peak
Amplitude
PWM Ramp Valley
Phase Shift Between
Channels
V RAMP
V VALLEY
From DH1 to DH2 rising edges
1.42
0.72
180
V
V
Degrees
Minimum Controllable On-Time
60
100
ns
Maximum Duty Cycle
86
87.5
%
OUTPUT DRIVERS
DH_ On-Resistance
DL_ On-Resistance
Low, sinking 100mA, V BST_ - V LX_ = 5V
High, sourcing 100mA, V BST_ - V LX_ = 5V
Low, sinking 100mA, V CC = 5.2V
High, sourcing 100mA, V CC = 5.2V
1
1.2
0.75
1.4
?
?
DH_ Peak Current
DL_ Peak Current
DH_, DL_ Break-Before-Make
Time (Dead Time)
C LOAD = 10nF
C LOAD = 10nF
Sinking
Sourcing
Sinking
Sourcing
3
2
3
2
15
A
A
ns
SOFT-START
Soft-Start Duration
Reference Voltage Steps
Maxim Integrated
2048
64
Switching
cycles
Steps
3
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