参数资料
型号: ISL62883HRTZ-T
厂商: Intersil
文件页数: 7/37页
文件大小: 0K
描述: IC REG PWM 3PHASE BUCK 40TQFN
标准包装: 6,000
应用: 控制器,Intel IMVP-6.5?
输入电压: 5 V ~ 21 V
输出数: 1
输出电压: 0.013 V ~ 1.5 V
工作温度: -10°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(5x5)
包装: 带卷 (TR)
ISL62883, ISL62883B
Electrical Specifications Operating Conditions: VDD = 5V, T A = -40°C to +100°C, f SW = 300kHz, unless otherwise noted. Boldface
limits apply over the operating temperature range, -40°C to +100°C. (Continued)
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 6)
TYP
(Note 6) UNITS
CHANNEL FREQUENCY
Nominal Channel Frequency
f SW(nom)
Rfset = 7k Ω , 3 channel operation, V COMP = 1V
285
300
315
kHz
Adjustment Range
200
500
kHz
AMPLIFIERS
Current-Sense Amplifier Input Offset
Error Amp DC Gain
A v0
I FB = 0A
-0.15
90
+0.15
mV
dB
Error Amp Gain-Bandwidth Product
GBW
C L = 20pF
18
MHz
ISEN
Imbalance Voltage
Input Bias Current
Maximum of ISENs - Minimum of ISENs
20
1
mV
nA
POWER GOOD AND PROTECTION MONITORS
PGOOD Low Voltage
PGOOD Leakage Current
V OL
I OH
I PGOOD = 4mA
PGOOD = 3.3V
-1
0.26
0.4
1
V
μA
PGOOD Delay
tpgd
CLK_EN# LOW to PGOOD HIGH
6.3
7.6
8.9
ms
GATE DRIVER
UGATE Pull-Up Resistance
UGATE Source Current
UGATE Sink Resistance
UGATE Sink Current
LGATE Pull-Up Resistance
LGATE Source Current
LGATE Sink Resistance
LGATE Sink Current
UGATE to LGATE Deadtime
LGATE to UGATE Deadtime
R UGPU
I UGSRC
R UGPD
I UGSNK
R LGPU
I LGSRC
R LGPD
I LGSNK
t UGFLGR
t LGFUGR
200mA Source Current
UGATE - PHASE = 2.5V
250mA Sink Current
UGATE - PHASE = 2.5V
250mA Source Current
LGATE - VSSP = 2.5V
250mA Sink Current
LGATE - VSSP = 2.5V
UGATE falling to LGATE rising, no load
LGATE falling to UGATE rising, no load
1.0
2.0
1.0
2.0
1.0
2.0
0.5
4.0
23
28
1.5
1.5
1.5
0.9
Ω
A
Ω
A
Ω
A
Ω
A
ns
ns
BOOTSTRAP DIODE
Forward Voltage
Reverse Leakage
V F
I R
PVCC = 5V, IF = 2mA
V R = 25V
0.58
0.2
V
μA
PROTECTION
Overvoltage Threshold
Severe Overvoltage Threshold
OC Threshold Offset at Rcomp = Open
Circuit
OV H
OV HS
VSEN rising above setpoint for >1ms
VSEN rising for >2μs
3-phase configuration, ISUM- pin current
2-phase configuration, ISUM- pin current
1-phase configuration, ISUM- pin current
150
1.525
28.4
18.3
8.2
195
1.55
30.3
20.2
10.1
240
1.575
32.2
22.1
12.0
mV
V
μA
μA
μA
Current Imbalance Threshold
One ISEN above another ISEN for >1.2ms
9
mV
Undervoltage Threshold
UV f
VSEN falling below setpoint for >1.2ms
-355
-295
-235
mV
LOGIC THRESHOLDS
VR_ON Input Low
V IL(1.0V)
0.3
V
7
FN6891.4
June 21, 2011
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