ADP1148 查看數據表（PDF） - Analog Devices
零件编号
产品描述 (功能)
生产厂家
ADP1148 Datasheet PDF : 16 Pages
| |||
ADP1148, ADP1148-3.3, ADP1148-5
ELECTRICAL CHARACTERISTICS (–40؇C ≤ TA ≤ +85؇C,1 VIN = 10 V, VSHUTDOWN = 0 V, unless otherwise noted. See Figure 17.)
Parameter
Symbol Conditions2
Min Typ Max Units
FEEDBACK VOLTAGE
ADP1148 Only
REGULATED OUTPUT VOLTAGE
ADP1148-3.3
ADP1148-5
INPUT DC SUPPLY CURRENT3
Normal Mode
Sleep Mode (ADP1148-3)
Sleep Mode (ADP1148-5)
Shutdown
V10
VOUT
IQ
CURRENT SENSE THRESHOLD
VOLTAGE4
ADP1148 Only
V8–V7
ADP1148-3.3
ADP1148-5.0
SHUTDOWN PIN THRESHOLD
V10
ADP1148-3.3, ADP1148-5
VIN = 9 V
VIN = 9 V
ILOAD = 700 mA
ILOAD = 700 mA
VIN = 4 V < VIN < 18 V
VIN = 4 V < VIN < 18 V
VIN = 6 V < VIN < 18 V
VSHUTDOWN = 2.1 V,
4 V < VIN < 12 V
V9 = VOUT/4 + 25 mV (Forced),
V7 = 5 V
V9 = VOUT/4 – 25 mV (Forced),
V7 = 5 V
V7 = VOUT + 100 mV (Forced)
V7 = VOUT – 100 mV (Forced)
V7 = VOUT + 100 mV (Forced)
V7 = VOUT – 100 mV (Forced)
1.20 1.25 1.30 V
3.17 3.33 3.4
V
4.85 5.05 5.2
V
1.6 2.6
mA
160 280
µA
160 280
µA
10 24
µA
0
mV
115 150 175
mV
0
mV
115 150 175
mV
0
mV
115 150 175
mV
0.55 0.8 2
V
OFF-TIME
tOFF
CT = 390 pF, ILOAD = 700 mA
4
5
6.2
µs
NOTES
1All limits at temperature extremes are guaranteed via correlation using standard Quality Control method.
2TJ is calculated from the ambient temperature TA and power dissipation PD according to the following formulas:
ADP1148AR, ADP1148AR-3, ADP1148AR-5: TJ = TA + (PD × 110°C/W)
ADP1148AN, ADP1148AN-3, ADP1148AN-5: TJ = TA + (PD × 70°C/W)
3Dynamic supply current is higher due to the gate charge being delivered at the switching frequency. The allowable operating frequency may be limited by power
dissipation at high input voltages.
4The ADP1148 version is tested with external feedback resistors setting the nominal output voltage to 3.3 V.
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage (Pin 3) . . . . . . . . . . . . . –0.3 V to +20 V
Continuous Output Currents (Pins 1, 14) . . . . . . . . . . 50 mA
Sense Voltages (Pins 7, 8) . . . . . . . . . . . . . . . . –0.3 V to VCC
Operating Temperature Range . . . . . . . . . . . . 0°C to +70°C
Extended Commercial Temperature Range . . –40°C to +85°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . 300°C
ORDERING GUIDE
Model
Output Package
Voltage Description
Package
Option
ADP1148AN
ADP1148AR
ADP1148AN-3.3
ADP1148AR-3.3
ADP1148AN-5
ADP1148AR-5
ADJ
ADJ
3.3 V
3.3 V
5V
5V
Plastic DIP
N-14
Small Outline Package SO-14
Plastic DIP
N-14
Small Outline Package SO-14
Plastic DIP
N-14
Small Outline Package SO-14
REV. A
–3–
Share Link: 