参数资料
型号: MAX1715EEI
厂商: Maxim Integrated Products
文件页数: 7/25页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 28-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
PWM 型: 控制器
输出数: 2
频率 - 最大: 620kHz
占空比: 100%
电源电压: 4.5 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: 28-SSOP(0.154",3.90mm 宽)
包装: 管件
Ultra-High Efficiency, Dual Step-Down
Controller for Notebook Computers
_____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 1, components from Table 1, V IN = +15V, SKIP = AGND, TON = unconnected, T A = +25°C, unless otherwise noted.)
300
FREQUENCY vs. TEMPERATURE
(2.5V, 4A COMPONENTS, SKIP = HIGH)
NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE
(OUT1 = 1.8V, 4A COMPONENTS;
OUT2 = 2.5V, 4A COMPONENTS; SKIP = GND)
700
NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE
(OUT1 = 1.8V, 4A COMPONENTS;
OUT2 = 2.5V, 4A COMPONENTS; SKIP = V CC )
12
250
600
I CC
10
200
500
8
I IN
400
150
100
300
200
6
4
I DD
50
100
I BATT
I DD
2
I CC
0
-40
-20
0
20
40
60
80
0
0
5
10
15
20
25
30
0
0
5
10
15
20
25
30
A
B
C
TEMPERATURE ( ° C)
LOAD-TRANSIENT RESPONSE
(2.5V, 4A COMPONENTS, SKIP = GND)
A = V OUT , AC-COUPLED, 100mV/div
B = INDUCTOR CURRENT, 2A/div
C = DL, 10V/div
A
B
C
INPUT VOLTAGE (V)
START-UP WAVEFORM
(2.5V, 4A COMPONENTS, ACTIVE LOAD)
A = V OUT , 2V/div
B = INDUCTOR CURRENT, 2A/div
C = DL, 10V/div
A
B
C
INPUT VOLTAGE (V)
LOAD-TRANSIENT RESPONSE
(1.3V, 8A COMPONENTS, SKIP = GND)
A = V OUT , AC-COUPLED, 100mV/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
A
B
OUTPUT OVERLOAD WAVEFORM
(2.5V, 4A COMPONENTS, SKIP = GND)
A
B
SHUTDOWN WAVEFORM
(2.5V, 4A COMPONENTS, SKIP = GND)
C
A = V OUT , 2V/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
C
A = V OUT , 2V/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
_______________________________________________________________________________________
7
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