参数资料
型号: LTC6801IG#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO36
封装: LEAD FREE, PLASTIC, SSOP-36
文件页数: 28/28页
文件大小: 265K
代理商: LTC6801IG#PBF
LTC6801
9
6801fb
PIN FUNCTIONS
UV0, UV1 (Pin 33, Pin 34): Undervoltage Three-Level
Inputs. These pins may be tied to VREG, VREF or V. UV1
and UV0 select the undervoltage threshold and each pin
has an internal pull-up to VREG. See Table 2.
OV0, OV1 (Pin 35, Pin 36): Overvoltage Three-Level
Inputs. These pins may be tied to VREG, VREF or V. OV1
and OV0 select the overvoltage threshold and each pin
has an internal pull-down to V. See Table 1.
Table 1. Overvoltage Inputs
OV1
OV0
OVERVOLTAGE THRESHOLD (V)
VREG
4.498
VREG
VREF
4.403
VREG
V
4.307
VREF
VREG
4.211
VREF
4.116
VREF
V
4.020
V
VREG
3.924
V
VREF
3.828
V
3.733
Table 2. Undervoltage Inputs
UV1
UV0
UNDERVOLTAGE THRESHOLD (V)
VREG
2.871
VREG
VREF
2.680
VREG
V
2.489
VREF
VREG
2.297
VREF
2.106
VREF
V
1.914
V
VREG
1.723
V
VREF
1.531
V
0.766
Table 3. Duty Cycle Select
DC
NOMINAL CYCLE TIME*
VREG
15.5ms
VREF
Approximately 130ms
V
Approximately 500ms
*Cycle time based on LTC6801 measuring 12 cells and 2 temperatures.
Table 4. Hysteresis Select
HYST
UV HYSTERESIS*
OV HYSTERESIS
VREG
500mV
200mV
VREF
250mV
100mV
V
0mV
*UV hysteresis is disabled when the undervoltage threshold is set to 0.766V.
Table 5. Cell Count Select
CC1
CC0
CELL COUNT
VREG
12
VREG
VREF
11
VREG
V
10
VREF
VREG
9
VREF
8
VREF
V
7
V
VREG
6
V
VREF
5
V
4
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