参数资料
型号: MAX1685EEE+
厂商: Maxim Integrated Products
文件页数: 6/14页
文件大小: 0K
描述: IC REG BUCK SYNC 3.3V/ADJ 16QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
类型: 降压(降压)
输出类型: 两者兼有
输出数: 1
输出电压: 3.3V,1.25 V ~ 14 V
输入电压: 2.7 V ~ 14 V
PWM 型: 电流模式
频率 - 开关: 600kHz
电流 - 输出: 1A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 管件
供应商设备封装: 16-QSOP
产品目录页面: 1410 (CN2011-ZH PDF)
Low-Noise, 14V Input, 1A, PWM
Step-Down Converters
Typical Operating Characteristics (continued)
(Circuit of Figure 1, T A = +25°C, unless otherwise noted.)
MAXIMUM LOAD CURRENT
1.8
vs. INPUT VOLTAGE
1400
SAFE OPERATING AREA
400
DROPOUT VOLTAGE vs. LOAD CURRENT
1.7
1.6
1.5
1.4
1.3
1.2
1200
1000
800
600
400
V OUT = 3.3V
300
200
100
V OUT = 3.3V
V OUT = 5V
1.1
1.0
PWM OR NORMAL MODE
200
0
0
INDUCTOR RESISTANCE INCLUDED
0
2
4
6
8
10
12
14
0
2
4
6
8
10
12
14
16
0
200
400
600
800
1000
120
INPUT VOLTAGE (V)
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
5.0
INPUT VOLTAGE (V)
MAX1684
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
(V OUT = 3.3V, PWM MODE)
15
14
LOAD CURRENT (mA)
PWM FIXED-FREQUENCY
OPERATION AREA
100
4.5
4.0
13
12
MAX1684
MAX1685
80
N ORMAL    MOD E
3.5
11
10
60
3.0
9
8
40
20
LOW-POWER MODE
2.5
2.0
7
6
2.7
4
6
8
10
12
14
4
5
6
7
8
9
10
11
12
0
2
4
6
8
10
12
14
I LOAD
500mA/div
V OUT
50mV/div
INPUT VOLTAGE (V)
LOAD-TRANSIENT RESPONSE
MAX1684/85 toc16
2ms/div
MAX1684, I LOAD = 0.1mA TO 1A, V OUT = 3.3V, V IN = 5V,
SYNC/PWM = 3.3V
V OUT
20mV/div
I LX
100mA/div
INPUT VOLTAGE (V)
SWITCHING WAVEFORM
MAX1684/85 toc17
1 μ s/div
MAX1684, I LOAD = 100mA, V OUT = 3.3V, V IN = 5V,
SYNC/PWM = 3.3V
V LX
5V/div
I LX
100mA/div
OUTPUT VOLTAGE (V)
SWITCHING WAVEFORM
MAX1684/85 toc18
1 μ s/div
MAX1684, I LOAD = 100mA, V OUT = 3.3V, V IN = 5V,
SYNC/PWM = 3.3V
6
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