参数资料
型号: ADP2323-EVALZ
厂商: Analog Devices Inc
文件页数: 4/32页
文件大小: 0K
描述: BOARD EVAL ADP2323
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 2,非隔离
输出电压: 1.2V,3.3V
电流 - 输出: 3A,3A
输入电压: 4.5 ~ 20 V
稳压器拓扑结构: 降压
频率 - 开关: 250kHz ~ 1.2MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: ADP2323

ADP2323
SPECIFICATIONS
PVIN1 = PVIN2 = 12 V at T J = ?40°C to +125°C, unless otherwise noted.
Table 1.
Data Sheet
Parameters
Symbol
Test Conditions/Comments
Min
Typ
Max
Units
POWER INPUT (PVINx PINS)
Power Input Voltage Range
V PVIN
4.5
20
V
Quiescent Current (PVIN1 + PVIN2)
Shutdown Current (PVIN1 + PVIN2)
I Q
I SHDN
MODE = GND, no switching
EN1 = EN2 = GND
3
50
5
100
mA
μA
PVINx Undervoltage Lockout Threshold
UVLO
PVINx Rising
4.3
4.5
V
PVINx Falling
3.5
3.8
V
FEEDBACK (FBx PINS)
FBx Regulation Voltage 1
FBx Bias Current
V FB
I FB
PVINx = 4.5 V to 20 V
0.594
0.6
0.01
0.606
0.1
V
μA
ERROR AMPLIFIER (COMPx PINS)
Transconductance
EA Source Current
EA Sink Current
g m
I SOURCE
I SINK
230
25
25
300
45
45
370
65
65
μS
μA
μA
INTERNAL REGULATOR (INTVCC PIN)
INTVCC Voltage
Dropout Voltage
Regulator Current Limit
I INTVCC = 30 mA
4.75
40
5
400
75
5.25
120
V
mV
mA
SWITCH NODE (SWx PINS)
High-Side On Resistance 2
V BST to V SW = 5 V
90
130
m?
SWx Peak Current Limit
SWx Minimum On Time 3
SWx Minimum Off Time 3
t MIN_ON
t MIN_OFF
R ILIM = floating, V BST to V SW = 5 V
R ILIM = 47 k?, V BST to V SW = 5 V
R ILIM = 15 k?, V BST to V SW = 5 V
4
2.3
0.8
4.8
3
1.5
130
150
5.8
3.7
2.2
A
A
A
ns
ns
LOW-SIDE DRIVER (DLx PINS )
Rising Time 3
Falling Time 3
C DL = 2.2 nF, see Figure 19
C DL = 2.2 nF, see Figure 22
20
10
ns
ns
Sourcing Resistor
Sinking Resistor
4
2
6
4.5
?
?
OSCILLATOR (RT PIN)
PWM Switching Frequency
f SW
R OSC = 100 k?
530
600
670
kHz
PWM Frequency Range
250
1200
kHz
SYNCHRONIZATION (SYNC PIN)
SYNC Input
SYNC configured as input
Synchronization Range
300
1200
kHz
Minimum On Pulse Width
Minimum Off Pulse Width
High Threshold
Low Threshold
SYNC Output
SYNC configured as output
100
100
1.3
0.4
ns
ns
V
V
Frequency on SYNC Pin
Positive Pulse Time
f CLKOUT
100
f SW
kHz
ns
SOFT START (SSx PINS)
SSx Pin Source Current
I SS
2.5
3.5
4.5
μA
Rev. A | Page 4 of 32
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