参数资料
型号: MAX8969EVKIT#
厂商: Maxim Integrated Products
文件页数: 5/15页
文件大小: 0K
描述: EVAL KIT STEP-UP 1A 3MHZ MAX8969
产品培训模块: Obsolescence Mitigation Program
标准包装: 1
系列: True Shutdown™
主要目的: DC/DC,步升
输出及类型: 1,非隔离
电流 - 输出: 1A
输入电压: 2.5 V ~ 5.5 V
稳压器拓扑结构: 升压
频率 - 开关: 3MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX8969
MAX8969
Step-Up Converter
for Handheld Applications
Typical Operating Characteristics
(V IN = 3.6V, C OUT = 22μF, X5R, 6.3V local and 10μF, X5R, 6.3V, 1μH inductor, circuit of Figure 1, T A = +25 N C, unless otherwise noted.)
EFFICIENCY vs. OUTPUT CURRENT
(V OUT = 5V)
EFFICIENCY vs. OUTPUT CURRENT
(V OUT = 3.7V)
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
100
95
90
85
V IN = 4.3V
V IN = 3.1V
100
98
96
94
92
V IN = 3.1V
80
70
60
50
V OUT = 5V
80
75
V IN = 2.5V
V IN = 3.6V
90
88
V IN = 2.5V
40
30
V OUT = 3.7V
70
86
84
20
65
60
1
10
L = TOKO DFE252012 1μH
100
1000
82
80
1
10
L = TOKO DFE252012 1μH
100
1000
10
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
3000
LOAD CURRENT (mA)
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
5.05
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V OUT = 5V)
vs. OUTPUT CURRENT
4.4
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V OUT = 3.7V)
vs. OUTPUT CURRENT
2500
2000
1500
V OUT , 5V ≥ 4.5V
5.00
4.95
4.90
4.85
4.80
4.75
V IN = 3.2V
V IN = 3.6V
V IN = 4.3V
4.2
4.0
3.8
V IN = 2.5V
V IN = 3.2V
V IN = 4.3V
4.70
3.6
1000
V OUT , 3.7V ≥ 3.35V
4.65
4.60
V IN = 2.5V
3.4
V IN = 3.6V
500
2.5
3.0
3.5
4.0
4.5
5.0
5.5
4.55
0
200
400
600
800
1000
3.2
0
200
400
600
800
1000
INPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
OUT = 100mA I OUT = 600mA
I OUT = 10mA
5.5
5.0
OUTPUT VOLTAGE (V OUT = 5V)
vs. INPUT VOLTAGE
I OUT = 10mA I
5.0
4.5
OUTPUT VOLTAGE (V OUT = 3.7V)
vs. INPUT VOLTAGE
AUTOMATIC
TRACK MODE
TRANSITION
4.5
4.0
3.5
I OUT = 1000mA
AUTOMATIC
FREQUENCY AUTOMATIC
ADJUSTMENT TRACK MODE
TRANSITION
4.0
3.5
3.0
I OUT = 100mA
I OUT = 600mA
AUTOMATIC
FREQUENCY
ADJUSTMENT
I OUT = 1000mA
3.0
2.5
3.0
3.5 4.0 4.5
INPUT VOLTAGE (V)
5.0
5.5
2.5
2.5
3.0
3.5
INPUT VOLTAGE (V)
4.0
4.5
Maxim Integrated
5
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