參數(shù)資料
型號(hào): ISL6426IV
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
中文描述: SWITCHING CONTROLLER, 770 kHz SWITCHING FREQ-MAX, PDSO16
封裝: PLASTIC, MO-153-AB, TSSOP-16
文件頁數(shù): 15/18頁
文件大小: 541K
代理商: ISL6426IV
6
Sync. Frequency Range (Note 6)
1.1 Times the natural switching
frequency.
110
-
770
kHz
Minimum Sync Pulse Width (Note 6)
-
40
100
ns
PWM Maximum Duty Cycle
-96-
%
GATE DRIVER OUTPUT (Note 6)
Upper Gate Source Current
VBOOT - VPHASE = 5V, VUGATE = 4V
-
-1
-
A
Upper Gate Sink Current
-1-
A
Lower Gate Source Current
VVCC = 3.3V, VLGATE = 4V
-
-1
-
A
Lower Gate Sink Current
-2-
A
SOFT-START
Soft-Start Slew Rate
f = 300kHz, TA = 0°C to 70°C
6.2
6.7
7.3
ms
f = 300kHz, TA = -40°C to +85°C
6.2
6.7
7.6
ms
Internal Digital Circuit Clock Count
(Soft-start time varies with frequency)
-
2048
-
Clk Cycles
OVERCURRENT
OCSET Current Source
TA = 0°C to 70°C
18
20
22
A
TA = -40°C to +85°C
162023
A
NOTES:
5. This is the VCC current consumed when the device is active but not switching.
6. Guaranteed by design.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
Schematic. VCC = +3.3V. Typical values are at TA = 25°C. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Typical Performance Curve
FIGURE 1. REFERENCE VOLTAGE vs TEMPERATURE
TEMPERATURE (°C)
-40 -30 -20 -10
0
1020304050
60
7080
0.81
0.805
0.8
0.795
0.79
0.785
0.78
V
REF
(V)
ISL6406, ISL6426
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