参数资料
| 型号： | ISL78205AVEZ |
| 厂商： | Intersil |
| 文件页数： | 8/19页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 20HTSSOP |
| 标准包装： | 740 |
| 类型： | 降压（降压） |
| 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）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 20-HTSSOP |
ISL78205
Electrical Specifications Refer to “Block Diagram” on page 4 and Typical Application Schematics on page 5. Operating Conditions
Unless Otherwise Noted: VIN = 12V, or VCC = 4.5V, TA = -40°C to +105°C. Typical are at TA = +25°C. Boldface limits apply over the operating temperature
range, -40°C to +105°C. (Continued)
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 7)
TYP
(Note 7) UNITS
Undervoltage Falling Trip Point
Undervoltage Falling Hysteresis
PGOOD Rising Delay
V FB /V REF
V FB /V UVTRIP
t PGOOD_DELAY
Percentage of Reference Point
Percentage Above UV Trip Point
f OSC = 500kHz
84
90
3
2
96
%
%
ms
PGOOD Leakage Current
PGOOD HIGH, V PGOOD = 4.5V
10
nA
PGOOD Low Voltage
V PGOOD
PGOOD LOW, I PGOOD = 0.2mA
0.10
V
OVERCURRENT PROTECTION
Default Cycle by Cycle Current Limit Threshold
Hiccup Current Limit Threshold
I OC_1
I OC_2
ILIMIT = GND or VCC or Floating
Hiccup, I OC_2 /I OC_1
3
3.6
115
4.2
A
%
OVERVOLTAGE PROTECTION
OV Latching-off Trip Point
Percentage of Reference Point
120
%
LG = UG = LATCH LOW
OV Non-Latching-off Trip Point
Percentage of Reference Point
110
%
LG = UG = LOW
OV Non-Latching-off Release Point
Percentage of Reference Point
102.5
%
OVER TEMPERATURE PROTECTION
Over-Temperature Trip Point
Over-Temperature Recovery Threshold
155
140
°C
°C
NOTES:
6. Wire bonds not included. The wire bond resistance between VIN and PHASE pin is 32m ? typical.
7. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
8
FN7926.3
February 19, 2014
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| ISL78205AVEZ-T | 功能描述:IC REG BUCK SYNC ADJ 20HTSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:两者兼有 输出数:1 输出电压:5V，1 V ~ 10 V 输入电压:3.5 V ~ 28 V PWM 型:电流模式 频率 - 开关:220kHz ~ 1MHz 电流 - 输出:600mA 同步整流器:无 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:16-SSOP（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:16-QSOP |
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