参数资料
型号: MAX15037ATE+
厂商: Maxim Integrated Products
文件页数: 3/25页
文件大小: 0K
描述: IC REG BUCK BST SYNC ADJ 16TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
类型: 降压(降压),升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 0.6 V ~ 23 V
输入电压: 4.5 V ~ 23 V
PWM 型: 电压模式
频率 - 开关: 312kHz ~ 2.1MHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
包装: 管件
供应商设备封装: 16-TQFN-EP(5x5)
2.2MHz, 3A Buck or Boost Converters
with an Integrated High-Side Switch
ELECTRICAL CHARACTERISTICS (continued)
(V+ = V L = 5V or V+ = 5.5V to 23V, V EN = 5V, T A = T J = -40°C to +125°C, unless otherwise noted. Circuits of Figures 5 and 6. Typical
values are at T A = T J = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SOFT-START
Digital Soft-Start Period
Soft-Start Steps
Internal 6-bit DAC
4096
64
Clock
periods
Steps
ERROR AMPLIFIER (FB and COMP)
FB to COMP Transconductance
FB Input Bias Current
FB Input Voltage Set Point
COMP Sink-and-Source Current
Capability
g M
I FB
V FB
I COMP
1.20
0.591
100
1.8
0.600
150
2.75
250
0.609
mS
nA
V
μA
INTERNAL MOSFETs
On-Resistance n-Channel Power
MOSFET
R ON
V+ = V L = 5.2V, I SINK = 100mA
0.150
0.302
Ω
Leakage Current
Minimum Output Current
I LEAK
I OUT
V EN = 0V, V DRAIN = 23V,
SOURCE = PGND
V OUT = 3.3V, V+ = 12V (Note 3)
3
20
μA
A
Peak Current Limit
On-Resistance Internal Low-Side
Switch
I LIMIT
R ONLSW
I SWITCH = 50mA, V+ = V L = 5.2V
3.56
4.6
20
5.6
40
A
Ω
SYNCHRONOUS RECTIFIER DRIVER (DL) (MAX15037 Only)
On-Resistance nMOS
On-Resistance pMOS
Peak Sink Current
Peak Source Current
R ONDLN
R ONDLP
I IDL_SINK
I IDL_SOURCE
I SINK = 10mA
I SOURCE = 10mA
1
1.9
1
0.75
4
5
Ω
Ω
A
A
CLOCK OUTPUT (CKO) (MAX15036 Only)
Clock Output-High Level
Clock Output-Low Level
Clock Output Phase Delay With
Respect to SOURCE Waveform
V CKOH
V CKOL
CKO PHASE
V L = 5.2V, I SOURCE = 5mA
V L = 5.2V, I SINK = 5mA
R OSC = 10k Ω , SYNC = GND
(Note 4)
3.54
115
0.4
V
V
Degrees
OSCILLATOR (OSC)/SYNCHRONIZATION (SYNC)
R OSC = 5.62k Ω
2100
Switching Frequency
Minimum Controllable On-Time
f SW
t ON_MIN
V+ = V L = 5.2V
R OSC = 41.2k Ω
R OSC = 10k Ω
1130
312
1250
120
1380
kHz
ns
Maximum Duty Cycle
D MAX
f SW = 2.2MHz
82
87.5
%
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3
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