参数资料
型号: ISL78200AVEZ
厂商: Intersil
文件页数: 7/22页
文件大小: 0K
描述: IC REG BUCK BOOST SYNC 20HTSSOP
标准包装: 740
类型: 降压(降压),升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 0.8V
输入电压: 3 V ~ 40 V
PWM 型: 电流模式
频率 - 开关: 200kHz ~ 2.2MHz
电流 - 输出: 2.5A
同步整流器: 两者兼有
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
包装: 管件
供应商设备封装: 20-HTSSOP
ISL78200
Electrical Specifications Refer to the Block Diagram (page 4) and Typical Application Schematics (page 5). Operating conditions
unless otherwise noted: V IN = 12V, or V CC = 4.5V, T A = -40°C to +105°C. Typicals are at T A = +25°C.
Boldface limits apply over the operating temperature range, -40°C to +105°C. (Continued)
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 6)
TYP
(Note 6) UNITS
POWER-ON RESET
Rising V CC POR Threshold
Falling V CC POR Threshold
V CC POR Hysteresis
V PORH_RISE
V PORL_FALL
V PORL_HYS
2.82
2.9
2.6
0.3
3.05
2.8
V
V
V
ENABLE
Required Enable On Voltage
Required Enable Off Voltage
V ENH
V ENL
2
0.8
V
V
EN Pull Up Current
I EN_PULLUP
V IN =24V
V IN =12V
V IN =5V
0.8
0.5
0.25
μA
μA
μA
OSCILLATOR
PWM Frequency
MIN ON Time
MIN OFF Time
F OSC
t MIN_ON
t MIN_OFF
R T = 665k ?
R T = 51.1k ?
FS pin connected to VCC or floating or GND
160
1950
450
200
2200
500
130
210
240
2450
550
225
325
kHz
kHz
kHz
ns
ns
SYNCHRONIZATION
Input High Threshold
Input Low Threshold
Input Minimum Pulse Width
Input Impedance
Input Minimum Frequency Divided by Free
VIH
VIL
2
0.5
25
100
1.1
V
V
ns
k ?
Running Frequency
Input Maximum Frequency Divided by Free
Running Frequency
1.6
Output Pulse Width
C SYNC =100pF
100
ns
Output Pulse High
Output Pulse Low
VOH
VOL
R LOAD =1k ?
VCC-
0.25
GND
V
V
REFERENCE VOLTAGE
Reference Voltage
System Accuracy
FB Pin Source Current
V REF
-1.0
0.8
5
1.0
V
%
nA
SOFT-START
Soft-Start Current
I SS
3
5
7
μA
ERROR AMPLIFIER
Unity Gain-Bandwidth
DC Gain
Maximum Output Voltage
7
C LOAD = 50pF
C LOAD = 50pF
10
88
3.6
MHz
dB
V
FN7641.2
December 24, 2013
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