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参数资料
| 型号： | LM3655TLX |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, BGA25 |
| 封装： | 2.5 X 2.5 MM, MICRO SMD, 25 PIN |
| 文件页数： | 11/21页 |
| 文件大小： | 833K |
| 代理商： | LM3655TLX |
15.0 Electrical Characteristics (Continued)
Unless otherwise specified, limits are provided for T
A = 25C and Normal Operating range
Pin
Symbol
Test Conditions
Min
Typ
Max
Units
CNTRL
V
CNTRL1
Maximum Control Voltage1
V
CELL > VPUV,IDETECT = 200 A
V
CELL
– 0.3
-V
CELL
V
CNTRL2
Maximum Control Voltage2
V
CELL > VPUV,IDETECT = 200 A
V
CELL
– 0.95
-V
CELL
V
R
CNTRL
Effective Control Pin Output Resistance
I
DETECT = 200 A, VCELL > VPUV
I
CNTRL = Current into an external short to
Ground on the Control Pin, Charger Present
R
CNTRL =VCELL/ICNTRL
150
-
350
DISABLE
V
IL_DISABLE
Pulled low to enable Q1 charge.
-
0.6
V
IH_DISABLE
Pulled high to disable Q1 charge.
1.5
-
V
R
DISABLE
Measured from DISABLE input resistance to
ground.
50
100
200
k
BATT_DETB
V
IL_BATTDETB
Pulled low to allow CP to function
-
20%
of V
CELL
V
IH_BATTDETB
Floats high to disallow CP to function
80%
-
of V
CELL
R
BATTDETB
Internal pull-up to the Cell voltage if CP = 1
50
100
200
k
HIB_EN
V
IL_HIBEN (Note
Pulled low when not used.
-
0.6
V
IH_HIBEN (Note
Pulled high to enable Hibernation mode.
1.5
-
V
R
HIBEN
Measured from HIB_EN input resistance to
ground
510
20
k
HIB_DISB
V
IL_HIBDISB
Pulled low to clear Hibernation Latch
-
20%
of V
CELL
V
IH_HIBDISB
Floats high when not used.
80%
-
of V
CELL
R
HIBDISB
MEASURED from HIB_DISB input
resistance to CELL pin.
50
100
200
k
RADIO_B+
-
See Pin Voltage Rating in 6.1
----
V
IN
V
CLAMP
Maximum external voltage clamp level when
Q1 fails shorted, <20A current forced into
pin; see (Note 6).
-
6.3
V
DETECT
I
DETECTMIN1
Min V
DETECT pin current to allow detection
of a charger
100
A
I
DETECTMIN2
Once a charger is detected, it will remain
detected unless the current into the
VDETECT pin goes below this threshold
25
A
I
DETECT_MAX
Max V
DETECT pin current that can maintain
V
DETECTMAX1
-
15
mA
I
UNDETECT_MAX
Below this current level into the V
DETECT
pin, a charger will always not be detected.
3A
V
DETECTMAX1
Normal V
DETECT regulation voltage,
I
DETECTMIN < IDETECT < IDETECTMAX
V
CELL
5 mV
V
CELL
±50 mV
V
DETECTMAX2
Secondary V
DETECT Voltage limit,
I
DETECTMAX < IDETECT < 30 mA
--
V
CELL 1V
V
LM3655
www.national.com
19
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