ADP1148, ADP1148-3.3, ADP1148-5
ELECTRICAL CHARACTERISTICS(–40؇C ≤ T ≤ +85؇C,1 V = 10 V, VSHUTDOWN = 0 V, unless otherwise noted. See Figure 17.)
A
IN
P aram eter
Sym bol
Conditions2
Min
Typ
Max
Units
FEEDBACK VOLT AGE
ADP1148 Only
V10
VIN = 9 V
VIN = 9 V
ILOAD = 700 mA
ILOAD = 700 mA
1.20 1.25 1.30
V
REGULAT ED OUT PUT VOLT AGE
ADP1148-3.3
ADP1148-5
VOUT
3.17 3.33 3.4
4.85 5.05 5.2
V
V
INPUT DC SUPPLY CURRENT3
Normal Mode
Sleep Mode (ADP1148-3)
Sleep Mode (ADP1148-5)
Shutdown
IQ
VIN = 4 V < VIN < 18 V
VIN = 4 V < VIN < 18 V
VIN = 6 V < VIN < 18 V
VSHUT DOWN = 2.1 V,
4 V < VIN < 12 V
1.6
160
160
10
2.6
280
280
24
mA
µA
µA
µA
CURRENT SENSE T HRESHOLD
VOLT AGE4
V8–V7
ADP1148 Only
V9 = VOUT /4 + 25 mV (Forced),
V7 = 5 V
V9 = VOUT /4 – 25 mV (Forced),
V7 = 5 V
0
mV
mV
115
150
175
ADP1148-3.3
ADP1148-5.0
V7 = VOUT + 100 mV (Forced)
V7 = VOUT – 100 mV (Forced)
V7 = VOUT + 100 mV (Forced)
V7 = VOUT – 100 mV (Forced)
0
150
0
mV
mV
mV
mV
115
115
175
175
150
SHUT DOWN PIN T HRESHOLD
ADP1148-3.3, ADP1148-5
V10
0.55 0.8
2
V
OFF-T IME
tOFF
CT = 390 pF, ILOAD = 700 mA
4
5
6.2
µs
NOT ES
1All limits at temperature extremes are guaranteed via correlation using standard Quality Control method.
2T J is calculated from the ambient temperature T A and power dissipation PD according to the following formulas:
ADP1148AR, ADP1148AR-3, ADP1148AR-5: T J = TA + (PD × 110°C/W)
ADP1148AN, ADP1148AN-3, ADP1148AN-5: T J = TA + (PD × 70°C/W)
3Dynamic supply current is higher due to the gate charge being delivered at the switching frequency. T he allowable operating frequency may be limited by power
dissipation at high input voltages.
4T he ADP1148 version is tested with external feedback resistors setting the nominal output voltage to 3.3 V.
Specifications subject to change without notice.
ABSO LUTE MAXIMUM RATINGS
O RD ERING GUID E
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 T emperature Range . . . . . . . . . . . . 0°C to +70°C
Extended Commercial T emperature Range . . –40°C to +85°C
Junction T emperature . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Storage T emperature Range . . . . . . . . . . . . –65°C to +150°C
Lead T emperature (Soldering, 10 sec) . . . . . . . . . . . . 300°C
O utput P ackage
Voltage D escription
P ackage
O ption
Model
ADP1148AN
ADP1148AR
ADJ
ADJ
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
ADP1148AN-3.3 3.3 V
ADP1148AR-3.3 3.3 V
ADP1148AN-5
ADP1148AR-5
5 V
5 V
REV. A
–3–