Datasheet

Data Sheet ADP2114
Rev. B | Page 3 of 40
SPECIFICATIONS
If unspecified, VDD = VINx = EN1 = EN2 = 5.0 V. T h e minimum and maximum specifications are valid for T
J
= −40°C to +125°C, unless
otherwise specified. Typical values are at T
J
= 25°C. All limits at temperature extremes are guaranteed via correlation using standard
statistical quality control (SQC).
Table 1.
Parameter Symbol Conditions Min Typ Max Unit
POWER SUPPLY
VDD Bias Voltage VDD 2.75 5.5 V
Undervoltage Lockout Threshold UVLO V
DD
rising 2.65 2.75 V
V
DD
falling 2.35 2.47
Undervoltage Lockout Hysteresis 0.18 V
Quiescent Current IDD
Ch1
EN1 = VDD = 5 V, EN2 = GND, V
FB1
= VDD,
OPCFG = GND
1.7 2.5 mA
IDD
Ch2
EN2 = VDD = 5V, EN1 = GND, V
FB2
= VDD,
OPCFG = GND
1.7 2.5 mA
IDD
Ch1 + Ch2
EN1 = EN2 = VDD = 5 V, V
FB2
= V
FB1
= VDD,
OPCFG = GND
3.0 4.0 mA
Shutdown Current IDD
SD
EN1 = EN2 = GND, VDD = VINx = 2.75 V to 5.5 V,
T
J
= −40°C to +115°C
1.0 10 µA
ERROR INTEGRATOR (OTA)
FB1, FB2 Input Bias Current I
FB
Adjustable output, V
FBx
= 0.6 V,
V1SET, V2SET = VDD or via 82 kΩ to GND
1 65 nA
Fixed output; V
FBx
= 1.2 V,
V1SET, V2SET via 4.7 kΩ to GND
11 15 µA
Transconductance g
M
550 µA/V
COMPx VOLTAGE RANGE
COMPx Zero-Current Threshold V
C O M P, ZCT
Guaranteed by design 1.12 V
COMPx Clamp High Voltage V
C O M P, HI
VDD = VINx = 2.75 V to 5.5 V 2.36 2.45 V
COMPx Clamp Low Voltage V
C O M P, LO
VDD = VINx = 2.75 V to 5.5 V 0.65 0.70 V
OUTPUT CHARACTERISTICS
Output Voltage Accuracy
V
FB
Adjustable output, T
J
= 25
°
C,
V1SET, V2SET = VDD or via 82 kΩ to GND
0.597
0.600
0.603
V
Adjustable output, T
J
= −40°C to +125°C,
V1SET, V2SET = VDD or via 82 kΩ to GND
0.594 0.600 0.606 V
V
FB ERROR
Fixed output, T
J
= 25°C, V1SET, V2SET = GND
or via 4.7 kΩ, 8.2 kΩ, 15 kΩ, 27 kΩ,
47 kΩ to GND
−1.0 +1.0 %
Fixed output, T
J
= −40°C to +125°C,
V1SET, V2SET = GND or via 4.7 kΩ, 8.2 kΩ,
15 kΩ, 27 kΩ, 47 kΩ to GND
−1.5 +1.5 %
Line Regulation VDD = VINx = 2.75 V to 5.5 V 0.05 %/V
Load Regulation VDD = VINx = 2.75 V to 5.5 V 0.03 %/A
OSCILLATOR All oscillator parameters provided for
VDD = 2.75 V to 5.5 V
Switching Frequency f
SW
FREQ tied to GND 255 300 345 kHz
FREQ via 8.2 kΩ to GND 510 600 690 kHz
FREQ via 27 kΩ to GND 1020 1200 1380 kHz
SYNC Frequency Range
f
SYNC
f
SYNC
= 2 × f
SW
FREQ tied to GND 400 1000 kHz
FREQ via 8.2 kΩ to GND 800 2000 kHz
FREQ via 27 kΩ to GND 1600 4000 kHz
SYNC Input Pulse Width 100 ns