ADP2109 Analog Devices, ADP2109 Datasheet - Page 3

• Manufacturer Part Number: ADP2109
• Description: Compact 600 mA, 3 MHz, Step-Down Converter with Output Discharge
• Manufacturer: Analog Devices

SPECIFICATIONS
V
otherwise noted.
Table 1.
Parameters
INPUT CHARACTERISTICS
OUTPUT CHARACTERISTICS
POWER SAVE MODE TO PWM CURRENT THRESHOLD
PWM TO POWER SAVE MODE CURRENT THRESHOLD
INPUT CURRENT CHARACTERISTICS
SW CHARACTERISTICS
ENABLE CHARACTERISTICS
OSCILLATOR FREQUENCY
START-UP TIME
THERMAL CHARACTERISTICS
1
INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS
Table 2.
Parameter
MINIMUM INPUT AND OUTPUT CAPACITANCE
MINIMUM AND MAXIMUM INDUCTANCE
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
IN
Input Voltage Range
Undervoltage Lockout Threshold
Output Voltage Accuracy
DC Operating Current
Shutdown Current
SW On Resistance
Current Limit
Discharge SW Resistance
EN Input High Threshold
EN Input Low Threshold
EN Input Leakage Current
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
= 3.6 V, V
OUT
1
= 1.8 V, T
J
= −40°C to +125°C for minimum/maximum specifications, and T
Rev. A | Page 3 of 16
Conditions
V
V
PWM mode
V
I
EN = 0 V, T
PFET
NFET
PFET switch peak current limit
V
EN = 0 V, 3.6 V
I
Symbol
C
L
LOAD
LOAD
IN
IN
IN
OUT
MIN
rising
falling
= 2.3 V to 5.5 V, PWM mode
= 0 mA, device not switching
= 1.0 V
= 200 mA
A
= T
Conditions
T
T
A
A
J
= −40°C to +125°C
= −40°C to +125°C
= −40°C to +85°C
A
= 25°C for typical specifications, unless
Min
4.7
0.3
Min
−2
−1
2.3
2.05
−2.5
1100
1.2
2.5
Typ
Typ
2.15
85
80
18
0.2
320
300
1300
150
0
3.0
150
20
Max
3.0
Max
5.5
2.3
2.25
+2
+2.5
30
1.0
1500
0.4
+1
3.5
550
ADP2109
Unit
μF
μH
Unit
V
V
V
%
%
mA
mA
μA
μA
mΩ
mΩ
mA
Ω
V
V
μA
MHz
μs
°C
°C