SC908 查看數據表（PDF） - Semtech Corporation
零件编号
产品描述 (功能)
比赛名单
SC908 Datasheet PDF : 30 Pages
| |||
SC908
Absolute Maximum Ratings(1)
Recommended Operating Conditions
VAD (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +28.0 Ambient Temperature Range (°C) . . . . . . . . . . . . . -40 to +85
BAT, VSYS, CHRGB, FLTB, LBATB (V) . . . . . . . . . . -0.3 to +5.5 Charger Input Voltage Range (V) . . . . . . . . . . . . 4.45 to 7.05
CPB (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to V (2) + 0.3
SRC
SLX, LVIN, LEN, SEN (V) . . . . . . . . . . . . . . . . . . . . . . . V + 0.3
BAT
LVOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V + 0.3
LVIN
AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +0.3
LDO Regulator Input Voltage Range (V) . . . . . . . . 2.2 to V
BAT
Switching Regulator Input Voltage (V) . . . . . . . . . . . . . . . V
BAT
PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.0 to +0.3
Pin Voltage — All Other Pins (V) . . . . . . . . . . . . -0.3 to +6.5
BAT Output Current (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
BAT Short Circuit Duration (s) . . . . . . . . . . . . . . . .Continuous
DC-DC Converter Output Current (mA)(3) . . . . . . -265, +180
DC-DC Converter Output Current (mA)(4) . . . . . . . . . . . ±600
Thermal Information
Thermal Resistance, Junction to Ambient (°C/W)(6) . . . . . 29
Junction Temperature Range (°C) . . . . . . . . . . . . .-40 to +150
Storage Temperature Range (°C) . . . . . . . . . . . . -65 to +150
IR Reflow Temperature (°C) . . . . . . . . . . . . . . . . . . . . . . . . +260
Total Power Dissipation (W) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
ESD Protection Level (kV) (5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Exceeding the above specifications may result in permanent damage to the device or device malfunction. Operation outside of the parameters
specified in the Electrical Characteristics section is not recommended.
NOTES:
(1) All absolute maximum ratings are with respect to DGND unless otherwise noted.
(2) V = larger of V and V
SRC
BAT
VSYS
(3) Continuous
(4) Peak
(5) Tested according to JEDEC standard JESD22-A114-B.
(6) Calculated from package in still air, mounted to 3 x 4.5 (in), 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
Electrical Characteristics
Test Conditions: V = 4.75V to 5.25 V; V = 3.7V; V = V ; Typ values at 25°C; Min and Max at -40°C < T < 85°C, unless specified.
VAD
BAT
LEN
VAD
A
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Charger
VAD Input Voltage
Battery Leakage Current (2)
VAD (1)
OP
VAD
UVLO-R
VAD
UVLO-F
VADUVLO-H
VAD
OVP-R
VAD
OVP-F
VAD
OVP-H
lleak
BAT
Operating Voltage
UVLO Rising Threshold
UVLO Falling Threshold
UVLO Hysteresis
(VAD - VAD )
UVLO-R
UVLO-F
OVP Rising Threshold
OVP Falling Threshold
OVP Hysteresis
(VAD - VAD )
OVP-R
OVP-F
V =V =V =0V, V =4.2V
VAD SEN LEN
BAT
4.45
5
7.05
V
4.05
4.25
4.45
V
3.8
4
4.2
V
150
mV
7.5
7.80
V
7.05
7.3
V
50
mV
0.1
2
μA
3
Share Link: 