参数资料
| 型号： | ISL9112IRT7Z-T7A |
| 厂商： | Intersil |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BOOST SYNC 5V 12TDFN |
| 标准包装： | 1 |
| 类型： | 降压（降压），升压（升压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 1.8 V ~ 5.5 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 2.5MHz |
| 电流 - 输出： | 1.2A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-WFDFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 12-TDFN-EP（3x3） |
| 其它名称： | ISL9112IRT7Z-T7ADKR |
ISL9110, ISL9112
Analog Specifications V VIN = V PVIN = V EN = 3.6V, V OUT = 3.3V, L1 = 2.2μH, C1 = C2 = 10μF, T A = +25°C. Boldface limits apply over the
operating temperature range, -40°C to +85°C. (Continued)
MIN
TYP
MAX
SYMBOL
PARAMETER
TEST CONDITIONS
(Note 8) (Note 9) (Note 8)
UNITS
DC/DC SWITCHING SPECIFICATIONS
f SW
t ONMIN
I PFETLEAK
I NFETLEAK
Oscillator Frequency
Minimum On Time
LX1 Pin Leakage Current
LX2 Pin Leakage Current
2.25
-1
-1
2.50
80
2.75
1
1
MHz
ns
μA
μA
SOFT-START and SOFT DISCHARGE
t SS
Soft-start Time
Time from when EN signal asserts to when output
voltage ramp starts.
Time from when output voltage ramp starts to
1
1
ms
ms
when output voltage reaches 95% of its nominal
value with device operating in buck mode.
V IN = 4V, V OUT = 3.3V, I O = 200mA
Time from when output voltage ramp starts to
when output voltage reaches 95% of its nominal
value with device operating in boost mode.
V IN = 2V, V OUT = 3.3V, I O = 200mA
2
ms
R DISCHG
VOUT Soft-Discharge ON-Resistance
V IN = 3.6V, EN < VIL
120
Ω
POWER MOSFET
R DSON_P
R DSON_N
P-Channel MOSFET ON-Resistance
N-Channel MOSFET ON-Resistance
V IN = 3.6V, I O = 200mA
V IN = 2.5V, I O = 200mA
V IN = 3.6V, I O = 200mA
V IN = 2.5V, I O = 200mA
0.12
0.15
0.10
0.13
0.17
0.23
0.15
0.23
Ω
Ω
Ω
Ω
I PK_LMT
P-Channel MOSFET Peak Current Limit
V IN = 3.6V
2.0
2.4
2.8
A
PFM/PWM TRANSITION
Load Current Threshold, PFM to PWM
Load Current Threshold, PWM to PFM
External Synchronization Frequency Range
Thermal Shutdown
Thermal Shutdown Hysteresis
V IN = 3.6V, V OUT = 3.3V
V IN = 3.6V, V OUT = 3.3V
2.75
200
75
155
30
3.25
mA
mA
MHz
°C
°C
BATTERY MONITOR AND POWER GOOD COMPARATORS
VT BMON
VH BMON
t BMON
Battery Monitor Voltage Threshold
Battery Monitor Voltage Hysteresis
Battery Monitor Debounce Time
1.85
2.0
100
25
2.15
V
mV
μs
PG Delay Time (Rising)
PG Delay Time (Falling)
1
20
ms
μs
Minimum Supply Voltage for Valid PG Signal
EN = VIN
1.2
V
PG RNGLR
PG RNGLF
PG RNGUR
PG RNGUF
PG Range - Lower (Rising)
PG Range - Lower (Falling)
PG Range - Upper (Rising)
PG Range - Upper (Falling)
Compliance Voltage - PG, BAT
Percentage of programmed voltage
Percentage of programmed voltage
Percentage of programmed voltage
Percentage of programmed voltage
V IN = 3.6V, I SINK = 1mA
90
87
112
110
0.3
%
%
%
%
V
6
FN7649.2
July 13, 2012
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL9112IRTNEVAL1Z | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:1.2A High Efficiency Buck-Boost Regulators |
| ISL9112IRTNZ | 制造商:Intersil Corporation 功能描述: 制造商:Intersil Corporation 功能描述:1.2A SINGLE INDUCTOR BUCK-BOOST, 3.3V, 12LD 3X3 EP TDFN - Trays |
| ISL9112IRTNZ-EVAL1Z | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:1.2A High Efficiency Buck-Boost Regulators Output Current: Up to 1.2A |
| ISL9112IRTNZ-T | 制造商:Intersil Corporation 功能描述:1.2A SINGLE INDUCTOR BUCK-BOOST, 3.3V, 12LD 3X3 EP TDFN - Tape and Reel |
| ISL9112IRTNZ-T7A | 功能描述:IC REG BUCK BST SYNC 3.3V 12TDFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:1 系列:EZBuck™ 类型:降压（降压） 输出类型:可调式 输出数:1 输出电压:0.8 V ~ 22.1 V 输入电压:3 V ~ 26 V PWM 型:电流模式 频率 - 开关:1.5MHz 电流 - 输出:1.8A 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WFDFN 裸露焊盘 包装:剪切带 (CT) 供应商设备封装:8-DFN（2x2） 其它名称:785-1276-1 |
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