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参数资料
| 型号： | LP3923TLX-VB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA30 |
| 封装： | 3 X 2.50 MM, MICRO SMD-30 |
| 文件页数： | 30/32页 |
| 文件大小： | 1718K |
| 代理商： | LP3923TLX-VB |
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Absolute Maximum Ratings (Note 1, Note
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
CHG_IN (V
BATT=2.8-5.5V)
0.3V to +28V
V
BATT=VIN1-2, BATT, HF_PWR,
VINB
0.3V to +6.0V
All other inputs
0.3V 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, VINB
8 kV HBM
CHG_IN (Note 10)
4.5 to 6.8V
V
BATT = VIN1-2, BATT, VINB
3.0V 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
LDO + 0.3V)
All other pins
0V to V
BATT + 0.3V)
Junction Temperature (T
J)
40°C to +125°C
Ambient Temperature (T
A) (Note 6)
40°C to +85°C
Thermal Properties (Note 9)
Junction-to-Ambient Thermal
Resistance (
θ
JA)
(Jedec Standard Thermal PCB)
Micro SMD 30
39°C/W
General Electrical Characteristics
Unless otherwise noted, V
IN (= VIN1 = VIN2 = VINB = BATT) = 3.6V, GND = 0V, CVIN1–2 = CVINB = 10 F, CLDOx = 1 F. 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
Symbol
Parameter
Conditions
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
I
Q(SLEEP)
Sleep Mode Current
@ 0 load
Buck, LDO1, LDO2, LDO3 and LDO7 enabled
130
400
A
POWER MONITOR FUNCTIONS
Battery Under-Voltage Lockout
V
UVLO-R
Under Voltage Lock-
out Rising
V
IN Rising
3.00
2.85
3.15
V
UVLO-F
Under Voltage Lock-
out Falling
V
IN Falling (LP3923-VC)
2.80
2.65
2.95
THERMAL SHUTDOWN
Higher Threshold
160
°C
LOGIC AND CONTROL INPUTS
V
IL
Input Low Level
PS_HOLD, SDA, SCL, RX_EN, TCXO_EN, TX_EN
0.25*
V
LDO3
V
PWR_ON, HF_PWR, SEL
0.25*
V
BATT
V
IH
Input High Level
PS_HOLD, SDA, SCL, RX_EN, TCXO_EN, TX_EN
0.75*
V
LDO3
V
PWR_ON, HF_PWR, SEL
0.75*
V
BATT
V
I
IL
Logic Input Current
All logic inputs except PWR_ON, HF_PWR.
0V
≤ V
INPUT ≤ VBATT
–5
+5
A
R
IN
Input Resistance
PWR_ON and HF_PWR Pull-Down resistance to GND
500
k
7
www.national.com
LP3923
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相关代理商/技术参数 |
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|---|---|
| LP3923TLX-VB/NOPB | 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| LP3923TLX-VC | 制造商:TI 制造商全称:Texas Instruments 功能描述:Cellular Phone Power Management Unit |
| LP3923TLX-VC/NOPB | 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| LP3923TLX-VI | 制造商:TI 制造商全称:Texas Instruments 功能描述:Cellular Phone Power Management Unit |
| LP3923TLX-VI/NOPB | 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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