參數(shù)資料
型號(hào)： NCP5422ADR2
廠商： ON SEMICONDUCTOR
元件分類(lèi)： 穩(wěn)壓器
英文描述： Dual Out-of-Phase Synchronous Buck Controller with Current Limit
中文描述： 1.5 A DUAL SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PDSO16
封裝： SOP-16
文件頁(yè)數(shù)： 5/18頁(yè)
文件大小： 126K
代理商： NCP5422ADR2
NCP5422A
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS (continued)
(0
°
C < T
A
< 70
°
C; 0
°
C < T
J
< 125
°
C; R
OSC
= 30.9 k, C
COMP1,2
= 0.1 F,
10.8
V < V
CC
< 13.2
V;
10.8
V < BST
< 20
V, C
GATE(H)1,2
=
C
GATE(L)1,2
= 1.0
nF, unless otherwise specified.)
Characteristic
Unit
Max
Typ
Min
Test Conditions
Supply Currents
V
CC
Current
COMP1,2 = 0 V (No Switching)
13
17
mA
BST Current
COMP1,2 = 0 V (No Switching)
3.5
6.0
mA
Undervoltage Lockout
Start Threshold
GATE(H) Switching; COMP1,2 charging
7.8
8.6
9.4
V
Stop Threshold
GATE(H) not switching; COMP1,2 discharging
7.0
7.8
8.6
V
Hysteresis
StartStop
0.5
0.8
1.5
V
Hiccup Mode Overcurrent Protection
OVC Comparator Offset Voltage
0 V < IS+ 1(2) < 5.5 V, 0 V < IS 1(2) < 5.5 V
55
70
85
mV
Discharge Threshold
0.20
0.25
0.30
V
IS+ 1(2) Bias Current
0 V < IS+ 1(2) < 5.5 V
1.0
0.1
1.0
A
IS 1(2) Bias Current
0 V < IS 1(2) < 5.5 V
1.0
0.1
1.0
A
OVC Common Mode Range
Note 2
0
5.5
V
OVC Latch COMP1 Discharge Current
COMP1 = 1.0 V
2.0
5.0
8.0
A
OVC Latch COMP2 Discharge Current
COMP2 = 1.0 V
0.3
1.2
3.5
mA
COMP1 Charge/Discharge
Ratio in OVC
5.0
6.0
7.0
2. Guaranteed by design, not 100% tested in production.
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