参数资料
型号: MAX1637EEE
厂商: Maxim Integrated Products
文件页数: 4/20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: 100
PWM 型: 电流模式,混合
输出数: 1
频率 - 最大: 338kHz
占空比: 96%
电源电压: 3.15 V ~ 5.5 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: 管件
Miniature, Low-Voltage,
Precision Step-Down Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V CC = V GG = 5V, SYNC = V CC , I REF = 0mA, T A = -40°C to +85°C , unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OVERVOLTAGE PROTECTION
Overvoltage Trip Threshold
FB, with respect to regulation point
4.0
10
%
Output Undervoltage Lockout Threshold % of nominal output
60
80
%
INPUTS AND OUTPUTS
Logic Input Voltage High
Logic Input Voltage Low
SHDN , SKIP , SYNC
SHDN , SKIP , SYNC
2.4
0.8
V
V
Note 1: Guaranteed by design, not production tested.
Note 2: Specifications from -40°C to 0°C are guaranteed by design and not production tested.
__________________________________________Typical Operating Characteristics
(V OUT = 3.3V, T A = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
(1.7V/7A CIRCUIT)
EFFICIENCY vs. LOAD CURRENT
(2.5V/3A CIRCUIT)
EFFICIENCY vs. LOAD CURRENT
(2.5V/2A CIRCUIT)
100
SKIP = LOW
100
90
SKIP = LOW
V BATT = 22V
100
SKIP = LOW
90
V BATT = 7V
80
70
V BATT = 7V
V BATT = 15V
90
V BATT = 7V
80
60
80
70
V BATT = 15V
V BATT = 22V
50
40
70
V BATT = 15V
V BATT = 22V
30
60
50
20
10
0
60
50
0.01
0.1
1
10
0.001
0.01
0.1
1
10
0.01
0.1
1
10
100
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(3.3V/3A CIRCUIT)
20
LOAD CURRENT (A)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
20
LOAD CURRENT (A)
SUPPLY CURRENT
vs. LOAD CURRENT
90
SKIP = LOW
15
I LOAD = 1A
V OUT = 3.3V
15
SKIP = LOW
80
V BATT = 15V
V BATT = 5V
10
SKIP = HIGH
10
SYNC = HIGH
70
V BATT = 30V
5
SKIP = LOW
5
SYNC = LOW
60
50
0
0
0.01
0.1
1
10
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0
1
2
3
4
5
6
7
8
9
LOAD CURRENT (A)
SUPPLY VOLTAGE (V)
LOAD CURRENT (A)
4
_______________________________________________________________________________________
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