参数资料
型号: MAX1626ESA-T
厂商: Maxim Integrated Products
文件页数: 4/16页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 8-SOIC
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: 300kHz
占空比: 100%
电源电压: 3 V ~ 16.5 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: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
5V/3.3V or Adjustable, 100% Duty-Cycle,
High-Efficiency, Step-Down DC-DC Controllers
____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 1, T A = +25°C, unless otherwise noted.)
0.8
MAX1626 SHUTDOWN CURRENT
vs. TEMPERATURE
12
MAX1626 EXT OFF TIME
vs. OUTPUT VOLTAGE
12
MAX1627 EXT OFF TIME
vs. FB PIN VOLTAGE
0.7
0.6
0.5
0.4
0.3
APPLICATION CIRCUIT
SHUTDOWN CURRENT:
A: V+ = +15V
B: V+ = +10V
C: V+ = +4V
MAX1626 SHUTDOWN
CURRENT:
D: V+ = +16V
E: V+ = +4V
A
B
C
D
10
8
6
4
3/5 = V+
V+ = +5 V
10
8
6
4
V+ = +5 V
0.2
0.1
0
E
2
0
3/5 = GND
2
0
-60 -40 -20 0 20 40 60 80 100 120 140
0
1
2
3
4
5
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
TEMPERATURE (°C)
EXT RISE AND FALL TIMES
vs. TEMPERATURE
50
OUTPUT VOLTAGE (V)
400
EXT RISE AND FALL TIMES
vs. CAPACITANCE
FB PIN VOLTAGE (V)
45
40
t FALL , V+ = +5V
350
300
35
30
25
20
15
10
5
0
t RISE , V+ = +5V
t RISE , t FALL , V+ = +15V
C EXT = 1nF
3/5 = 0V
OUT = 50kHz, 0.3Vp-p , 3.3V DC
250
200
150
100
50
0
t RISE , V+ = +15 V
t FALL , V+ = +5V
t RISE , V+ = +5V
t FALL , V+ = +15V
-60 -40 -20 0
20 40 60 80 100 120 140
0
2000
4000
TEMPERATURE (°C)
MAX1626
CAPACITANCE (pF)
72
70
68
V+ QUIESCENT CURRENT
vs. TEMPERATURE
V+ = +16 V
115
110
105
CS TRIP LEVEL vs. TEMPERATURE
OUT = 0V
V+ = +10 V
66
100
64
62
60
V+ = +4V
3/5 = 0V
OUT FORCED TO 3.4V
95
90
85
-60 -40 -20 0 20 40 60 80 100 120 140
-60 -40 -20 0
20 40 60 80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
4
_______________________________________________________________________________________
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