參數(shù)資料
型號: LP3918TLX-L
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 電源管理
英文描述: Battery Charge Management and Regulator Unit
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA25
封裝: 2.50 X 2.50 MM, MICRO, SMD-25
文件頁數(shù): 27/30頁
文件大小: 1292K
代理商: LP3918TLX-L
Absolute Maximum Ratings (Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
CHG-IN,
0.3 to +6.5V
VBATT =VIN1/2, BATT,HF_PWR
0.3 to +6V
All other Inputs
0.3 to V
BATT +0.3V,
max 6.0V
Junction Temperature (T
J-MAX)
150°C
Storage Temperature
40°C to +150°C
Max Continuous Power Dissipation
(P
D-MAX) (Note 3)
Internally Limited
ESD (Note 4)
Batt, VIN1, VIN2, HF_PWR,
CHG_IN, PWR_ON
8kV HBM
All other pins
2kV HBM
Operating Ratings (Notes 1, 2)
CHG_IN
4.5 to 6.0V
VBATT =VIN1/2, BATT
3.0 to 5.5V
HF_PWR, PWR_ON
0V to 5.5V
ACOK_N, SDA, SCL, RX_EN,
TX_EN, TCXO_EN, PS_HOLD,
RESET_N
0V to (V
LDO2 + 0.3V)
All other pins
0V to (V
BATT + 0.3V)
Junction Temperature (T
J)
40°C to +125°C
Ambient Temperature (T
A)
-40 to 85°C
Thermal Properties (Note 9)
Junction to Ambient Thermal
Resistance
θ
JA
Jedec Standard Thermal PCB
37°C/W
4L Cellphone Board
66°C/W
General Electrical Characteristics
Unless otherwise noted, V
IN ( = VIN1 = VIN2 = BATT) = 3.6V, GND = 0V, CVIN1-2=10F, CLDOX=1F. Typical values and limits
appearing in normal type apply for T
J = 25°C. Limits appearing in boldface type apply over the entire junction temperature range
for operation, T
a = TJ = 40°C to +125°C. (Note 6)
Symbol
Parameter
Condition
Typ
Limit
Units
Min
Max
I
Q(STANDBY)
Standby Supply Current
V
IN= 3.6V, UVLO on, internal logic
circuit on, all other circuits off
2
10
A
Power Monitor Functions
Battery Under-Voltage Lockout
V
UVLO-R
Under Voltage Lock-out
V
IN Rising
2.85
2.7
3.0
V
Thermal Shutdown
TSD Threshold
(Note 7)
160
°C
www.national.com
6
LP3918
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