參數(shù)資料
型號(hào): ISL6551EVAL1
廠商: Intersil Corporation
英文描述: Wide-Range Power-Supply Controller 8-PDIP -20 to 85
中文描述: ZVS全橋PWM控制器
文件頁(yè)數(shù): 16/26頁(yè)
文件大小: 619K
代理商: ISL6551EVAL1
16
FN9066.4
July 8, 2005
Additional Applications Information
Table 1 highlights parameter setting for the ISL6551.
Designers can use this table as a design checklist. For
detailed operation of the ISL6551, see Block/Pin Functional
Descriptions.
TABLE 1. PARAMETER SETTING HIGHLIGHTS/CHECKLIST
VDD = 12V at room temperature, unless otherwise stated.
PARAMETER
PIN NAME
FORMULA OR SETTING HIGHLIGHT
UNIT
FIGURE #
Frequency
CT
Set 50% Duty Cycle Pulses with a fixed frequency
kHz
1, 2
Dead Time
RD
DT = M x RD/k
, where M = 11.4
ns
3
Resonant Delay
R_RESDLY
t
RESDLY
= 4.01 x R_RESDLY/k
+ 13
ns
7
Ramp Adjust
R_RA
Vramp = BGREF/(R_RA x 500E-12) x dt
V
-
Current Sense
ISENSE
<Vclamp-200mV-Vramp
V
-
Peak Current
PKILIM
<BGREF and slightly higher than Vclamp
V
6
Bandgap Reference
BGREF
1.263V ±2%, 399k
pull-up, No more than 100
μ
A load
V
-
Leading Edge Blanking
R_LEB
t
LEB
= 2 x R_LEB/k
+ 15, never leave it floating
ns
8, 9
Current Share Compensation
CS_COMP
0.1
μ
for a low current loop bandwidth (100 - 500Hz)
Hz
10
Soft-Start & Output Rise Time
CSS
t
ss
= Vclamp x Css/Iss, t
rise
= EANI x CSS / Iss, Iss = 10
μ
A ±20%
S
4
Clamp Voltage (Vclamp)
CSS
Vclamp = Iss x Rcss, or Reference-based clamp
V
4, 5
Error Amplifier
EANI, EAI, EAO
EANI, EAO < Vclamp
V
-
Share Support
SHARE
30K load & a resistor (1K, typ.) between EANI and OUTPUT REF.
-
-
Latching Shutdown
LATSD
Latch IC off at > 3V
V
-
Power Good
DCOK
±5% with hysteresis, Sink up to 5mA, transient rejection
V
11, 12
IC Enable
ON/OFF
Turn on/off at TTL level
V
-
Reference Ground
VSS
Connect to PGND in only one single point
-
-
Power Ground
PGND
Single point to VSS plane
-
-
Upper Drivers
UPPER1, UPPER2
Capacitive load up to 1.6nF at Fsw = 500kHz
-
-
Lower Drivers
LOWER1, LOWER2 Capacitive load up to 1.6nF at Fsw = 500kHz
-
-
Synchronous Drive Signals
SYNC1, SYNC2
Capacitive load up to 20pF at Fsw = 500kHz
-
-
Bias for Control Circuits
VDD
12V ±10%, 0.1
μ
F decoupling capacitor
V
-
Biases for Bridge Drivers
VDDP1, VDDP2
Need decoupling capacitors
V
-
ISL6551
相關(guān)PDF資料
PDF描述
ISL6551IR Wide-Range Power-Supply Controller 8-SO -20 to 85
ISL6551IR-T ZVS Full Bridge PWM Controller
ISL6552CBZ Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller
ISL6552CRZ Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller
ISL6553CBZ Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISL6551IB 功能描述:電流型 PWM 控制器 FULL BRIDGE RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
ISL6551IB-T 功能描述:IC REG CTRLR FLYBACK PWM 28-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
ISL6551IBZ 功能描述:IC REG CTRLR FLYBACK PWM 28-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無(wú) 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR)
ISL6551IBZ-T 功能描述:IC REG CTRLR FLYBACK PWM 28-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無(wú) 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR)
ISL6551IR 功能描述:IC REG CTRLR FLYBACK PWM 28-QFN RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤(pán) 包裝:帶卷 (TR)