参数资料
型号: MAX1853EXT-T
厂商: Maxim Integrated Products
文件页数: 7/8页
文件大小: 0K
描述: IC REG SWITCHED CAP INV SC70-6
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: 2.5 V ~ 5.5 V
频率 - 开关: 110kHz ~ 310kHz
电流 - 输出: 30mA
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: 6-TSSOP,SC-88,SOT-363
包装: 带卷 (TR)
供应商设备封装: SC-70-6
SC70 Inverting Charge Pumps
with Shutdown
Table 1. Low-ESR Capacitor Manufacturers
PRODUCTION
METHOD
Surface-Mount
Tantalum
Surface-Mount
Ceramic
MANUFACTURER
AVX
Matsuo
Sprague
AVX
Matsuo
SERIES
TPS series
267 series
593D, 595D series
X7R
X7R
PHONE
803-946-0690
714-969-2491
603-224-1961
803-946-0690
714-969-2491
FAX
803-626-3123
714-960-6492
603-224-1430
803-626-3123
714-960-6492
Table 2. Capacitor Selection to Minimize
Output Resistance
Table 3. Capacitor Selection to Minimize
Capacitor Size
PART
MAX1852
MAX1853
FREQUENCY
(kHz)
50
200
CAPACITOR
(μF)
4.7
1
TYPICAL
R OUT ( ? )
15
15
PART
MAX1852
MAX1853
FREQUENCY
(kHz)
50
200
CAPACITOR
(μF)
3.3
0.68
TYPICAL
R OUT ( ? )
20
20
SHDN
5
4
+V IN
5
4
5
3
4
+V IN
D1, D2 = 1N4148
C1
2
6
MAX1852
MAX1853
3
1
C1
2
6
C2
MAX1852
MAX1853
3
1
V OUT
C2
C1
2
6
MAX1852
MAX1853
1
D1
C2
V OUT = -V IN
D2
V OUT = (2V IN ) -
SHDN
V OUT = -nV IN
C3
C4
(V FD1 ) - (V FD2 )
Figure 4. Cascading MAX1852/MAX1853s to Increase Output
Voltage
Figure 6. Combined Doubler and Inverter
4
+V IN
4
GND
2
V+
C1
5
2
6
MAX1852
MAX1853
1
C1
5
2
6
MAX1852
MAX1853
1
V OUT
MAX1852
MAX1853
OUT
1
R L
SHDN
3
3
V OUT = -V IN
C2
Figure 7. Heavy Load Connected to a Positive Supply
R OUT OF SINGLE DEVICE
R OUT = NUMBER OF DEVICES
Figure 5. Paralleling MAX1852/MAX1853s to Reduce Output
Resistance
TRANSISTOR COUNT: 252
Chip Information
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7
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