参数资料
型号: ISL62881CIRTZ
厂商: Intersil
文件页数: 7/37页
文件大小: 0K
描述: IC REG PWM SGL PHASE 28TQFN
标准包装: 75
应用: 控制器,Intel IMVP-6.5?
输入电压: 4.5 V ~ 25 V
输出数: 1
输出电压: 0.013 V ~ 1.5 V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(4x4)
包装: 管件
配用: ISL62881CCPUEVAL2Z-ND - EVAL BOARD ISL62881CCPU 28QFN
ISL62881C, ISL62881D
Electrical Specifications
Operating Conditions: V DD = 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 7) TYP (Note 7) UNITS
CHANNEL FREQUENCY
Nominal Channel Frequency
f SW(nom)
RF SET = 7k Ω , V COMP = 1V
295
310
325
kHz
Adjustment Range
200
500
kHz
AMPLIFIERS
Current-Sense Amplifier
Input Offset
Error Amp DC Gain (Note 6)
A v0
I FB = 0A
-0.15
90
+0.15
mV
dB
Error Amp Gain-Bandwidth
Product (Note 6)
GBW
C L = 20pF
18
MHz
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_ENABLE# LOW to PGOOD HIGH
6.3
7.6
8.9
ms
UGATE DRIVER
UGATE Pull-Up Resistance
(Note 6)
UGATE Source Current
(Note 6)
UGATE Sink Resistance
(Note 6)
UGATE Sink Current (Note 6)
R UGPU
I UGSRC
R UGPD
I UGSNK
200mA Source Current
BOOT - UGATE = 2.5V
250mA Sink Current
UGATE - PHASE = 2.5V
1.0
2.0
1.0
2.0
1.5
1.5
Ω
A
Ω
A
LGATE DRIVER (ISL62881C)
LGATE Pull-Up Resistance
(Note 6)
LGATE Source Current
(Note 6)
LGATE Sink Resistance
(Note 6)
LGATE Sink Current (Note 6)
UGATE to LGATE Deadtime
LGATE to UGATE Deadtime
R LGPU
I LGSRC
R LGPD
I LGSNK
t UGFLGR
t LGFUGR
250mA Source Current
VCCP - LGATE = 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
0.5
4.0
23
28
1.5
0.9
Ω
A
Ω
A
ns
ns
LGATE DRIVERS (ISL62881D)
LGATEa and b Pull-Up
Resistance (Note 6)
LGATEa and b Source
Current (Note 6)
LGATEa and b Sink
Resistance (Note 6)
LGATEa and b Sink Current
(Note 6)
UGATE to LGATEa and b
Deadtime
LGATEa and b to UGATE
Deadtime
R LGPU
I LGSRC
R LGPD
I LGSNK
t UGFLGR
t LGFUGR
250mA Source Current
VCCP - LGATEa and b = 2.5V
250mA Sink Current
LGATEa and b - VSSP = 2.5V
UGATE falling to LGATEa and b rising, no
load
LGATEa and b falling to UGATE rising, no
load
2.0
1.0
1
2.0
23
28
3
1.8
Ω
A
Ω
A
ns
ns
7
FN7596.0
March 8, 2010
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