参数资料
型号: MAX8969EVKIT#
厂商: Maxim Integrated Products
文件页数: 3/15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
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 2.6V, T A = -40 N C to +85 N C, unless otherwise noted. Typical values are T A = +25 N C.) (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
2.5V < V IN < V ATMRT , conditions emulating 0 <
I OUT < 1A, C OUT = 22 F F, L = 1 F H,
V OUT _ TARGET = 3.3V
2.5V < V IN < V ATMRT , conditions emulating 0 <
I OUT < 1A, C OUT = 22 F F, L = 1 F H,
V OUT _ TARGET = 3.5V
3.00
3.15
3.45
3.65
Steady-State Output Voltage
(Notes 5, 6)
2.5V < V IN < V ATMRT , conditions emulating 0 <
I OUT < 1A, C OUT = 22 F F, L = 1 F H,
V OUT _ TARGET = 3.7V
3.35
3.85
V
2.5V < V IN < V ATMRT , conditions emulating 0 <
I OUT < 600mA, C OUT = 22 F F, L = 1 F H,
V OUT _ TARGET = 4.25V
2.5V < V IN < V ATMRT , conditions emulating 0 <
I OUT < 500mA, C OUT = 22 F F, L = 1 F H,
V OUT _ TARGET = 5V
3.95
4.50
4.35
5.10
LX_ Leakage Current
V LX = 0V, 4.8V
T A = +25 N C
T A = +85 N C
0.1
0.2
5
F A
Skip-Mode Supply Current
pMOS Turn-Off Current (Zero-Cross Current)
EN = high, I OUT = 0A, 1 F H inductor (TREN is
low, not switching)
45
10
F A
mA
LX_ nMOS Current Limit
Maximum Duty Cycle
Minimum Duty Cycle
V OUT = 3.3V
V OUT = 3.5V
0
2.6
83
120
115
3.2
A
%
%
pMOS On-Resistance
nMOS On-Resistance
Minimum Output Capacitance for Stable
Operation (Actual)
V OUT = 3.7V
V OUT = 4.25V
V OUT = 5V
V OUT = 3.3V
V OUT = 3.5V
V OUT = 3.7V
V OUT = 4.25V
V OUT = 5V
V OUT = 3.3V
110
100
91
65
63
60
55
51
8
70
m I
m I
F F
Maximum Output Capacitance (Actual)
0 < I OUT < 0.3A
during startup
V OUT = 3.5V
V OUT = 3.7V
V OUT = 4.25V
55
45
30
F F
Maxim Integrated
V OUT = 5V
20
3
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