参数资料
型号: IRS27952SPBF
厂商: International Rectifier
文件页数: 6/28页
文件大小: 0K
描述: IC DRIVER HALF-BRIDGE 8SOIC
标准包装: 95
输出隔离: 隔离
频率范围: 46.6kHz ~ 285kHz
输入电压: 12 V ~ 18 V
输出电压: 12 V ~ 18 V
功率(瓦特): 833mW
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件

IRS27951S
IRS27952(4)S
Electrical Characteristics
VCC=VBS=15V, VS=0V, CVCC=CBS=0.1uF, CLO=CHO=1nF, RT=50.5k ? , CT=200pF and TA = 25°C unless
otherwise specified. The output voltage and current (VO and IO) parameters are referenced to COM and are
applicable to the respective HO and LO output leads.
Symbol
Definition
Min
Typ
Max
Units
Test Conditions
Low Voltage Supply Characteristics
V CCUV+
V CC turn on threshold
10.1
11
11.9
V CCUV-
V CCUVHYS
I CCSTART
I SLEEP
I QCC
I CC46KHz
I CC285KHz
V CC turn off threshold
(Under Voltage Lock Out)
V CC undervoltage lockout hysteresis
V CC startup current
Sleep mode V CC supply current
Quiescent V CC supply current
V CC operating current @ f osc = 46KHz
V CC operating current @ f osc = 285KHz
8.1
---
---
---
---
---
---
9
2
50
150
2
3.1
8.7
9.9
---
100
200
2.5
4.5
11
V
μA
mA
N/A
V CC = V CCUV+
-0.1V
V CT/SD <V EN2 , V BS =0V
V EN1 < V CT/SD < 4.5V
RT=50.5k ?
RT=7.32k ?
Floating Supply Characteristics
V BSUV+
V BS turn on threshold
7.6
8.5
9.4
V BSUV-
V BSUVHYS
I LKVS
I BSSTART
I QBS
I BS46KHz
I BS285KHz
V BS turn on threshold
(Under Voltage Lock Out)
V BS undervoltage lockout hysteresis
VS Offset supply leakage current
V BS startup current
Quiescent V BS supply current
V BS operating current @ f osc = 46KHz
V BS operating current @ f osc = 285KHz
7
---
---
---
---
---
---
7.9
0.6
---
50
50
1
5.7
8.8
---
50
100
100
1.5
7
V
μ A
mA
N/A
V B = V S = 600 V
V BS ≤ V BSUV+ - 0.1V
V EN1 < V CT/SD < 4.5V
RT=50.5k ?
RT=7.32k ?
Oscillator I/O Characteristics
f SW
V CT+
V CT-
I CTSTART
V RT
CM
D
t DT
Oscillator frequency
Upper CT ramp voltage threshold
Lower CT ramp voltage threshold
CT/SD pin startup current
Voltage reference at RT pin
Current mirror ratio
Output duty cycle (LO and HO)
High/low output dead time
44.3
271
---
---
---
1.92
---
---
170
46.6
285
5.0
3.0
10
2.0
1
50
210
48.9
299
---
---
---
2.08
---
---
250
kHz
V
μ A
V
A/A
%
ns
CT=200pF,
RT=50.5k ?
CT=200pF,
RT=7.32k ?
GBD
V CT/SD < V EN1
CT=200pF
November 8 , 2012
6
? 2012 International Rectifier
th
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