IMP803 查看數據表（PDF） - IMP, Inc
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IMP803 Datasheet PDF : 8 Pages
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IMP803
Pin Configuration
SO/ MicroSO
VDD 1
RSW-OSC 2
CS 3
LX 4
IMP803
8 REL-OSC
7 VA
6 VB
5 GND
803_02.eps
Pin Compatible With HV803 and IMP560
Ordering Information
Part Number
IMP803LG
IMP803IMA
IMP803SX*
IMP803/D1**
Input Voltage
2.0V to 6.5V
2.0V to 6.5V
2.0V to 6.5V
2.0V to 6.5V
* Disable pad not active
** Disable pad active
Add /T to ordering part number for Tape and Reel.
Regulated Output Voltage
Yes
Yes
Yes
Yes
Temperature Range
– 40°C to +85°C
– 40°C to +85°C
25°C
25°C
Pins-Package
8-SO
8-MicroSO
Dice
Dice
Absolute Maximum Ratings
VDD, VRSW-OSC and VREL-OSC . . . . . . . . . . . . . . . –0.5V to +7.0V
VCS, LX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to +120V
Operating Temperature Range . . . . . . . . . . . . –40°C to +85°C
Storage Temperature Range . . . . . . . . . . . . . . –65°C to +150°C
Power Dissipation (SO) . . . . . . . . . . . . . . . . . . 400mW
Power Dissipation (MicroSO) . . . . . . . . . . . . . 300mW
VA, VB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to VCS (pin 3)
Note: All voltages are referenced to GND.
These are stress ratings only and functional operation is not
implied. Exposure to absolute maximum ratings for prolonged
time periods may affect device reliability.
Electrical Characteristics
Unless otherwise noted, VDD = 3.0V, RSW = 750kΩ, REL = 2.0MΩ, and TA = 25°C.
Parameter
ON-resistance of MOS Switch
Output Voltage Regulation
Output Voltage Peak-to-peak (in regulation)
Quiescent VDD Supply Current, Disabled
Input Current at VDD Pin
Input Current at VDD Pin
Input Current: IDD Plus Inductor Current
Output Voltage at VCS
VA-B Output Drive Frequency
Switching Frequency
Switching Duty Cycle
Symbol
RDS(ON)
VCS
VA-VB
IDDQ
IDD
IDD
IIN
VCS
fEL
fSW
DSW
Conditions
I = 100mA
VDD = 2.0 to 6.5V
VDD = 2.0 to 6.5V
VRSW-OSC < 100mV
VDD = 3.0V, See Figure 1
VDD = 5.0V, See Figure 2
VDD = 3.0V, See Figure 1
VDD = 3.0V, See Figure 1
VDD = 3.0V, See Figure 1
VDD = 3.0V, See Figure 1
VDD = 3.0V, See Figure 1
2
408-432-9100/www.impweb.com
Min Typ
3.5
80
90
160
180
20
420
500
20
60
74
300
370
50
70
88
Max
8
100
200
200
700
750
31
100
430
90
Units
Ω
V
V
nA
µA
µA
mA
V
Hz
kHz
%
© 2000 IMP, Inc.
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