参数资料
型号: MAX15023ETG/V+T
厂商: Maxim Integrated Products
文件页数: 4/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 24WQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电压模式
输出数: 2
频率 - 最大: 1MHz
占空比: 87.5%
电源电压: 4.5 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 24-WFQFN 裸露焊盘
包装: 带卷 (TR)
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
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CURRENT LIMIT/HICCUP
Cycle-by-Cycle, Low-Side,
Source Peak Current-Limit
Source peak limit = V LIM_ /10
30
300
mV
Threshold Adjustment Range
LIM_ Reference Current
I LIM_
V LIM_ = 0.3V to 3V, T A = +25°C
45
50
55
μA
LIM_ Reference Current TC
Number of Consecutive Current-
Limit Events to Hiccup
Hiccup Timeout
Cycle-by-Cycle, Low-Side,
Sink Peak Current-Limit Sense
Voltage
V LIM_ = 0.3V
Out of soft-start
2400
7
7936
V LIM_ /
20
ppm/°C
Events
Switching
cycles
V
BOOST
Boost Switch Resistance
V IN = V CC = 5.2V, I BST_ = 10mA
4.5
8
?
POWER-GOOD OUTPUTS
PGOOD_ Threshold
PGOOD_ Output Leakage
PGOOD_ Output Low Voltage
V FB_ rising
V FB_ falling
I LEAK_PGD V PGOOD_ = 28V, V EN_ = 5V, V FB_ = 0.8V
V PGOOD_L I PGOOD_ = 2mA, EN_ = SGND
88.5
85.5
92.5
89.5
96.5
93.5
1
0.4
%
V FB(NOMINAL)
μA
V
THERMAL SHUTDOWN
Thermal Shutdown Threshold
+150
°C
Thermal Shutdown Hysteresis
Temperature falling
20
°C
Note 3: All Electrical Characteristics limits over temperature are 100% tested at room temperature and guaranteed by design over
the specified temperature range.
( f SW ( kHz ))
Note 4: Select R T as R T ( k ? ) =
24806
1 . 0663
( 24806 has a
1
farad
unit).
4
Maxim Integrated
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