参数资料
型号: ADP1882-1.0-EVALZ
厂商: Analog Devices Inc
文件页数: 4/40页
文件大小: 0K
描述: EVAL BOARD FOR ADP1882
标准包装: 1
主要目的: DC/DC,步降
稳压器拓扑结构: 降压
频率 - 开关: 1MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: ADP1882
ADP1882/ADP1883
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
OUTPUT DRIVER CHARACTERISTICS
High-Side Driver
Output Source Resistance
Output Sink Resistance
I SOURCE = 1.5 A, 100 ns, positive pulse (0 V to 5 V)
I SINK = 1.5 A, 100 ns, negative pulse (5 V to 0 V)
2
0.8
3.5
2
Ω
Ω
Rise Time 2
Fall Time 2
t R, DRVH
t F, DRVH
BST ? SW = 4.4 V, C IN = 4.3 nF (see Figure 60)
BST ? SW = 4.4 V, C IN = 4.3 nF (see Figure 61)
25
11
ns
ns
Low-Side Driver
Output Source Resistance
Output Sink Resistance
I SOURCE = 1.5 A, 100 ns, positive pulse (0 V to 5 V)
I SINK = 1.5 A, 100 ns, negative pulse (5 V to 0 V)
1.7
0.75
3
2
Ω
Ω
Rise Time 2
Fall Time 2
t R, DRVL
t F, DRVL
V DD = 5.0 V, C IN = 4.3 nF (see Figure 61)
V DD = 5.0 V, C IN = 4.3 nF (see Figure 60)
18
16
ns
ns
Propagation Delays
DRVL Fall to DRVH Rise 2
DRVH Fall to DRVL Rise 2
SW Leakage Current
t TPDH, DRVH
t TPDH, DRVL
I SW, LEAK
BST ? SW = 4.4 V (see Figure 60)
BST ? SW = 4.4 V (see Figure 61)
BST = 25 V, SW = 20 V, VDD = 5.5 V
22
24
110
ns
ns
μA
Integrated Rectifier
Channel Impedance
I SINK = 10 mA
22
Ω
PRECISION ENABLE THRESHOLD
Logic High Level
Enable Hysteresis
V IN = 2.75 V to 20 V, V DD = 2.75 V to 5.5 V
V IN = 2.75 V to 20 V, V DD = 2.75 V to 5.5 V
235
285
35
330
mV
mV
COMP VOLTAGE
COMP Clamp Low Voltage
V COMP(LOW)
From disable state, release COMP/EN pin to enable
0.47
V
device; 2.75 V ≤ V DD ≤ 5.5 V
COMP Clamp High Voltage
COMP Zero Current Threshold
V COMP(HIGH)
V COMP_ZCT
2.75 V ≤ V DD ≤ 5.5 V
2.75 V ≤ V DD ≤ 5.5 V
0.95
2.55
V
V
THERMAL SHUTDOWN
T TMSD
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
Hiccup Current Limit Timing
Rising temperature
155
15
6
°C
°C
ms
1
2
The maximum specified values are with the closed loop measured at 10% to 90% time points (see Figure 60 and Figure 61) , C GATE = 4.3 nF, and the upper-side and lower-si de
MOSFETs specified as Infineon BSC042N030MSG.
Not automatic test equipment (ATE) tested.
Rev. 0 | Page 4 of 40
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