参数资料
型号: MAX1541ETL+T
厂商: Maxim Integrated Products
文件页数: 7/49页
文件大小: 0K
描述: IC REG CTRLR DIVIDER PWM 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电流模式
输出数: 2
频率 - 最大: 620kHz
占空比: 100%
电源电压: 2 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: 40-WFQFN 裸露焊盘
包装: 带卷 (TR)
Dual Step-Down Controllers with Saturation
Protection, Dynamic Output, and Linear Regulator
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, V CC = V DD = ON1 = ON2 = 5V, SKIP = GND, LDOIN (MAX1541) = V+, T A = 0°C to +85°C , unless otherwise noted. Typical
values are at T A = +25 ° C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TON, OVP/UVP,
High
V CC -
0.4V
Four-Level Input Logic Levels
LSAT, SKIP ,
FBLANK
Open
REF
3.15
1.65
3.85
2.35
V
Low
0.5
Four-Level Logic Input Current
TON, OVP/UVP, LSAT, SKIP , FBLANK
forced to GND or V CC
-3
+3
μA
ELECTRICAL CHARACTERISTICS
(V+ = 15V, V CC = V DD = ON1 = ON2 = 5V, SKIP = GND, LDOIN (MAX1541) = V+, T A = -40°C to +85°C , unless otherwise noted.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
INPUT SUPPLIES (Note 1)
V IN
MAX1540A: battery voltage, V+ > V LDOOUT
MAX1541: battery voltage, V+ > V LDOOUT
5.5
2
28
28
Input Voltage Range
V BIAS
V LDOIN
V CC, V DD (MAX1541)
MAX1541: LDO input supply,
V LDOIN > V LDOOUT
4.5
4.5
5.5
28
V
FB1 and FB2 forced above the regulation
point, LSAT = GND
1.5
Quiescent Supply Current (V CC )
Quiescent Supply Current
(V DD , MAX1541 Only)
I CC
I DD
FB1 and FB2 forced above the regulation
point, ON1 or ON2 = V CC , V LSAT > 0.5V
FB1 and FB2 forced above the regulation
point, ON1 or ON2 = V CC
1.8
5
mA
μA
MAX1540A: FB1 and FB2 forced above the
regulation point, ON1 or ON2 = V CC ,
150
Quiescent Supply Current (V+)
I V+
V LDOON = V+ = 28V
MAX1541: ON1 or ON2 = V CC , V LDOON =
V+ = 28V
40
μA
Quiescent Supply Current
(LDOIN, MAX1541 Only)
Standby Supply Current (V DD )
Standby Supply Current
(V DD , MAX1541 Only)
Standby Supply Current (V+)
I LDOIN
FB1 and FB2 forced above the regulation
point, ON1 or ON2 = V CC ,
V LDOON = V+ = 28V
ON1 = ON2 = GND, V LDOON = V+ = 28V
ON1 = ON2 = GND, V LDOON = V+ = 28V
MAX1540A: ON1 = ON2 = GND, LDOON =
V+ = 28V, V CC = 0 or 5V
110
5
5
105
μA
μA
μA
μA
MAX1541: ON1 = ON2 = GND, LDOON =
V+ = 28V, V CC = V DD = 0 or 5V
5
Standby Supply Current
(LDOIN, MAX1541 Only)
ON1 = ON2 = GND, V LDOON = V+ = 28V
100
μA
_______________________________________________________________________________________
7
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