参数资料
型号: MAX1772EEI+T
厂商: Maxim Integrated Products
文件页数: 7/20页
文件大小: 0K
描述: IC BAT CHRG BUILD BLCK 28QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 充电管理
电池化学: 多化学
电源电压: 8 V ~ 28 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.154",3.90mm 宽)
供应商设备封装: 28-QSOP
包装: 带卷 (TR)
Low-Cost, Multichemistry Battery-
Charger Building Block
Typical Operating Characteristics
(Circuit of Figure 1a, V DCIN = 20V, T A = +25°C, unless otherwise noted.)
LOAD-TRANSIENT RESPONSE
(BATTERY REMOVAL AND REINSERTION)
MAX1772 toc01
LOAD-TRANSIENT RESPONSE
(STEP-IN LOAD CURRENT)
MAX1772 toc02
CCV
V BATT
20V/div
I BATT
2A/div
CCI
CCS
V CCS
500mV/div
V CCI
500mV/div
V BATT
20V/div
CCI
1ms/div
BATTERY PRESENT
V ICTL = 0.957V
V CTL = 3.3V
V CCI
500mV/div
V CCV
500mV/div
1ms/div
V ICTL = 3.30V
CHARGING CURRENT = 2.0A
V BATT = 16V
LOAD STEP = 0 TO 3A
I SOURCE LIMIT = 5A
LDO LOAD REGULATION
I LOAD
2A/div
LINE-TRANSIENT RESPONSE
MAX1772 toc03
V DCIN
10V/div
V BATT
(AC-COUPLED)
100mV/div
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
V VCTL = 0V
V ICTL = 3.3V
V DCIN = 20.0V
V LDO = 5.40V
0
1
2
3
4
5
6
7
8
9
10
2ms/div
V BATT = 16V
V DCIN = 18.5V TO 27.5V
I LOAD = 150mA
LDO CURRENT (mA)
_______________________________________________________________________________________
7
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