参数资料
型号: MAX889TESA+T
厂商: Maxim Integrated Products
文件页数: 4/8页
文件大小: 0K
描述: IC REG SWITCHD CAP INV ADJ 8SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 切换式电容器(充电泵),反相
输出类型: 可调式
输出数: 1
输出电压: -2.5 V ~ -5.5 V
输入电压: 2.7 V ~ 5.5 V
频率 - 开关: 2MHz
电流 - 输出: 200mA
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: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOIC
High-Frequency, Regulated,
200mA, Inverting Charge Pump
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = V SHDN = +5V, capacitors from Table 1, T A = +25°C, unless otherwise noted.)
MAX889T
50
OUTPUT RIPPLE
vs. LOAD CURRENT vs. C OUT
100
EFFICIENCY vs. LOAD CURRENT
(V IN = 5V, V OUT = -3.3V)
100
EFFICIENCY vs. LOAD CURRENT
(V IN = 3.3V, V OUT = -2.5V)
40
30
C OUT = 2.2 μ F
90
80
70
60
50
MAX889R
MAX889T
90
80
70
60
50
MAX889R
MAX889S
MAX889T
20
C OUT = 4.7 μ F
40
MAX889S
40
30
30
10
C OUT = 10 μ F
20
10
20
10
0
0
50
100
150
200
250
300
350
0
0
100
200
300
400
500
0
0
50
100
150
200
250
300
350
3.00
LOAD CURRENT (mA)
FREE-RUN OUTPUT RESISTANCE
vs. INPUT VOLTAGE
3.0
LOAD CURRENT (mA)
FREE-RUN OUTPUT RESISTANCE
vs. TEMPERATURE
12
LOAD CURRENT (mA)
QUIESCENT SUPPLY CURRENT
vs. INPUT VOLTAGE (REGULATED MODE)
2.75
2.50
2.5
10
8
MAX889T
2.25
2.00
1.75
1.50
2.0
1.5
1.0
6
4
2
0
V OUT = -2.5V
MAX889S
MAX889R
2.5
3.0
3.5
4.0
4.5
5.0
5.5
-40
-20
0
20
40
60
80
2.5
3.0
3.5
4.0
4.5
5.0
5.5
A
B
INPUT VOLTAGE (V)
MAX889S
LOAD-TRANSIENT RESPONSE
40 μ s/div
A
B
TEMPERATURE ( ° C)
MAX889S
LINE-TRANSIENT RESPONSE
40 μ s/div
0
A
B
0
C
INPUT VOLTAGE (V)
MAX889S
STARTUP AND SHUTDOWN
2ms/div
A: V OUT , 1V/div
CIRCUIT OF FIGURE 4
A: I OUT , 100mA/div
B: V OUT , 20mV/div, AC-COUPLED
4
20 TO 200mA LOAD STEP I OUT = 200mA I OUT = 200mA
CIRCUIT OF FIGURE 4
A: V IN , 2V/div B: I IN , 100mA/div
B: V OUT , 10mV/div, AC-COUPLED C: V SHDN , 10V/div
_______________________________________________________________________________________
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