参数资料
型号: MAX1655EEE+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 CM 16-QSOP
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: 1
频率 - 最大: 350kHz
占空比: 98%
电源电压: 4.5 V ~ 30 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: 16-SSOP(0.154",3.90mm 宽)
包装: 带卷 (TR)
High-Efficiency, PWM, Step-Down
DC-DC Controllers in 16-Pin QSOP
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +15V, GND = PGND = 0V, SYNC = REF, IVL = IREF = 0A, T A = -40°C to +85°C, unless otherwise noted.) (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
3.3V and 5V STEP-DOWN CONTROLLERS
Input Supply Range
4.5
30
V
5V Output Voltage (CSL)
3.3V Output Voltage (CSL)
0 < (CSH - CSL) < 70mV, FB = VL, 6V < V+ < 30V,
includes line and load regulation
0 < (CSH - CSL) < 70mV, FB = VL, 4.5V < V+ < 30V,
includes line and load regulation
MAX1655
4.80
3.16
0.96
5.30
3.50
1.04
V
V
Feedback Voltage
Line Regulation
Current-Limit Voltage
CSH - CSL = 0V, 5V < V+ < 30V,
CSL = FB, SKIP = 0V
6V < V+ < 30V
CSH - CSL, positive
CSH - CSL, negative
MAX1652/MAX1653/
MAX1654
2.40
70
-40
2.60
0.06
130
-160
V
V
%/V
mV
FLYBACK/PWM CONTROLLER
SECFB Regulation Setpoint
Falling edge, hysteresis = 22mV (MAX1652)
Falling edge, hysteresis = 22mV (MAX1654)
2.40
-0.08
2.60
0.08
V
INTERNAL REGULATOR AND REFERENCE
VL Output Voltage
VL Fault Lockout Voltage
VL/CSL Switchover Voltage
Reference Output Voltage
Reference Load Regulation
V+ Shutdown Current
V+ Off-State Leakage Current
Quiescent Power Consumption
SHDN = 2V, 0 < I VL < 25mA, 5.5V < V+ < 30V
Rising edge, hysteresis = 50mV
Rising edge, hysteresis = 60mV
No external load (Note 1)
0 < I REF < 100μA
SHDN = 0V, V+ = 30V, CSL = 0 or 5.5V
FB = CSH = CSL = 5.5V, VL switched over to CSL
4.7
3.75
4.2
2.43
5.3
4.05
4.7
2.57
15
10
15
2
V
V
V
V
mV
μA
μA
mW
OSCILLATOR AND INPUTS/OUTPUTS
Oscillator Frequency
SYNC High Pulse Width
SYNC Low Pulse Width
Oscillator Sync Range
SYNC = REF
SYNC = 0 or 5V
250
120
250
250
210
350
180
320
kHz
ns
ns
kHz
Maximum Duty Cycle
DL On-Resistance
DH On-Resistance
SYNC = REF
SYNC = 0 or 5V
High or low
High or low, BST - LX = 4.5V
97
98
5
5
%
?
?
Note 3: Specifications from 0°C to -40°C are guaranteed by design, not production tested.
4
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