参数资料
型号: MAX15020ATP+T
厂商: Maxim Integrated Products
文件页数: 3/18页
文件大小: 0K
描述: IC REG BUCK ADJ 2A 20TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.5 V ~ 36 V
输入电压: 7.5 V ~ 40 V
PWM 型: 电压模式
频率 - 开关: 300kHz ~ 500kHz
电流 - 输出: 2A
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: 20-WQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 20-TQFN-EP(5x5)
2A, 40V Step-Down DC-DC Converter with
Dynamic Output-Voltage Programming
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 36V, V REG = V DVREG , V PGND = V GND = V EP = 0V, V SYNC = 0V, C REFOUT = 0.1μF, T A = T J = -40°C to +125°C, FSEL = REG,
unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SOFT-START/REFIN/REFOUT/FB
Soft-Start Current
REFOUT Output Voltage
REFIN Input Range
I SS
REFIN = REFOUT
8
0.97
0
0.97
15
0.98
0.98
26
1.01
3.6
1.01
μA
V
V
V
FB Accuracy
FB Input Current
FB = COMP, V REFIN = 0.2V to 3.6V
V SS = 0.2V, V FB = 0V
V REFIN
- 5mV
-250
V REFIN
V REFIN
+ 5mV
+250
mV
nA
Open-Loop Gain
Unity-Gain Bandwidth
80
1.8
dB
MHz
PWM Modulator Gain (V IN /
V RAMP )
f SYNC = 100kHz, V IN = 7.5V
f SYNC = 500kHz, V IN = 40V
9.4
8.9
V/V
CURRENT-LIMIT COMPARATOR
Cycle-by-Cycle Switch Current
Limit
I ILIM
2.5
3.5
4.5
A
Number of ILIM Events to Hiccup
Hiccup Timeout
POWER SWITCH
4
512
Clock
periods
Switch On-Resistance
V BST - V LX = 6V
0.18
0.35
Ω
BST Leakage Current
Switch Leakage Current
Switch Gate Charge
V BST = V LX = V IN = 40V
V IN = 40V, V LX = V BST = 0V
V BST - V LX = 6V
10
10
10
μA
μA
nC
THERMAL SHUTDOWN
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
T SHDN
+160
20
°C
°C
Note 1: Limits are 100% production tested at T A = T J = +25°C. Limits at -40°C and +125°C are guaranteed by design.
_______________________________________________________________________________________
3
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