Datasheet
Table Of Contents
- Features
- Applications
- Typical Application Circuit
- General Description
- Revision History
- Functional Block Diagram
- Specifications
- Absolute Maximum Ratings
- Pin Configuration and Function Descriptions
- Typical Performance Characteristics
- Theory of Operation
- Control Scheme
- PWM Mode
- PFM Mode
- Precision Enable/Shutdown
- Separate Input Voltages
- Internal Regulator (INTVCC)
- Bootstrap Circuitry
- Low-Side Driver
- Oscillator
- Synchronization
- Soft Start
- Peak Current-Limit and Short-Circuit Protection
- Voltage Tracking
- Parallel Operation
- Power Good
- Overvoltage Protection
- Undervoltage Lockout
- Thermal Shutdown
- Applications Information
- Design Example
- External Components Recommendation
- Typical Application Circuits
- Outline Dimensions

ADP2323 Data Sheet
Rev. A | Page 10 of 32
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
4.5
–40 –20 0 20 40 60 80 100 120
UVLO THRESHOLD (V)
TEMPERATURE (°C)
RISING
FALLING
09357-011
Figure 11. UVLO Threshold vs. Temperature
0.90
0.92
0.94
0.96
0.98
1.00
1.02
1.04
1.06
1.08
1.10
–40 –20 0 20 40 60 80 100 120
EN SOURCE CURRENT (µA)
TEMPERATURE (°C)
09357-012
Figure 12. EN Source Current at V
EN
= 1.5 V
594
596
598
600
602
604
606
FEEDBACK VOLTAGE (mV)
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
09357-013
Figure 13. FB Voltage vs. Temperature
1.00
1.05
1.10
1.15
1.20
1.25
1.30
ENABLE THRESHOLD (V)
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
RISING
FALLING
09357-014
Figure 14. EN Threshold vs. Temperature
4.60
4.65
4.70
4.75
4.80
4.85
4.90
4.95
5.00
5.05
5.10
–40 –20 0 20 40 60 80 100 120
EN SOURCE CURRENT (µA)
TEMPERATURE (°C)
09357-015
Figure 15. EN Source Current at V
EN
= 1 V
250
260
270
280
290
300
310
320
330
340
350
TRANSCONDUCTANCE (µS)
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
09357-016
Figure 16. g
m
vs. Temperature