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参数资料
| 型号： | ISL6522IRZ-T |
| 厂商： | Intersil |
| 文件页数： | 5/15页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST PWM VM 16-QFN |
| 标准包装： | 6,000 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 占空比： | 100% |
| 电源电压： | 10.8 V ~ 13.2 V |
| 降压： | 是 |
| 升压： | 是 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-VQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
ISL6522
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted (Continued)
PARAMETER
Upper Gate Sink
Lower Gate Source
Lower Gate Sink
SYMBOL
R UGATE
I LGATE
R LGATE
TEST CONDITIONS
ISL6522C, I LGATE = 0.3A
ISL6522I, I LGATE = 0.3A
V CC = 12V, V LGATE = 6V
ISL6522C, I LGATE = 0.3A
ISL6522I, I LGATE = 0.3A
MIN
-
-
300
-
-
TYP
5.5
5.5
450
3.5
3.5
MAX
10
7.2
-
6.5
4.5
UNITS
?
?
mA
?
?
PROTECTION
OCSET Current Source
Soft-Start Current
I OCSET
I SS
V OCSET = 4.5VDC
170
-
200
10
230
-
μ A
μ A
Typical Performance Curves
80
R T PULLUP
70
1000
100
TO +12V
60
50
40
C GATE = 3300pF
10
R T PULLDOWN
TO V SS
30
20
10
0
C GATE = 1000pF
C GATE = 10pF
10
100
1000
100
200
300
400
500
600
700
800
900
1000
SWITCHING FREQUENCY (kHz)
FIGURE 1. R T RESISTANCE vs FREQUENCY
Functional Pin Descriptions
RT
SWITCHING FREQUENCY (kHz)
FIGURE 2. BIAS SUPPLY CURRENT vs FREQUENCY
SOIC
and
TSSOP
RT
OCSET
SS
1
2
3
14 VCC
13 PVCC
12 LGATE
This pin provides oscillator switching frequency adjustment.
By placing a resistor (R T ) from this pin to GND, the nominal
200kHz switching frequency is increased according to the
following equation:
5 ? 10
COMP
FB
EN
4
5
6
11 PGND
10 BOOT
9 UGATE
6
Fs ≈ 200kHz + ------------------
R T
(R T to GND)
GND 7
8
PHASE
Conversely, connecting a pull-up resistor (R T ) from this pin
to V CC reduces the switching frequency according to the
following equation:
4 ? 10
QFN
16
15
14
13
7
Fs ≈ 200kHz – ------------------
R T
(R T to 12V)
SS 1
COMP 2
12 PVCC
11 LGATE
FB 3
GND
10 PGND
EN 4
9
BOOT
5
6
5
7
8
FN9030.8
March 10, 2006
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL6522IRZ-TK | 功能描述:IC REG CTRLR BST PWM VM 16-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:275kHz 占空比:50% 电源电压:18 V ~ 110 V 降压:无 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:是 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) |
| ISL6522IRZ-TKR5190 | 制造商:Intersil Corporation 功能描述:IC REG CTRLR BUCK PWM 16QFN 制造商:Intersil 功能描述:52831C01 MASKONLYFOR CUSTMRS LIKE ATI STD |
| ISL6522IRZ-TKS2698 | 制造商:Intersil Corporation 功能描述:LEAD-FREE VERSION OF ISL6522IR-T, 1,000 PC REEL - Tape and Reel 制造商:Intersil Corporation 功能描述:IC REG CTRLR BUCK PWM 16QFN 制造商:Intersil 功能描述:VER OF ISL6522IR-T 1 000 PC |
| ISL6522IRZ-TR5190 | 制造商:Intersil Corporation 功能描述:VOLT MODE PWM CNTRLR 0.8V TO 12V 500MA 16QFN EP - Tape and Reel 制造商:Intersil Corporation 功能描述:IC REG CTRLR BUCK PWM 16QFN 制造商:Intersil 功能描述:52831C01 MASKONLYFOR CUSTMRS LIKE ATI STD |
| ISL6522IRZ-TS2698 | 制造商:Intersil Corporation 功能描述:LEAD-FREE VERSION OF ISL6522IR-T - Tape and Reel 制造商:Intersil Corporation 功能描述:IC REG CTRLR BUCK PWM 16QFN 制造商:Intersil 功能描述:VER OF ISL6522IR-T |
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