参数资料
型号: SP6136ER1-L
厂商: Exar Corporation
文件页数: 4/18页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 16-QFN
标准包装: 490
PWM 型: 电压模式
输出数: 1
频率 - 最大: 680kHz
占空比: 92%
电源电压: 5 V ~ 24 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-VFQFN 裸露焊盘
包装: 散装
其它名称: 1016-1394
ELECTRICAL SPECIFICATIONS
Unless otherwise specified: -40°C < T AMB < +85°C, 4.5V < V CC < 5.5V, BST=V CC ,SWN = PGND = GND = 0.0V, U VIN = 3.0V, CV CC
= 0. μF, C COMP = 0. μF, CGH = CGL = 3.3nF, C SS = 50nF.
PARAMETER
MIN TYP MAX UNITS
CONDITIONS
OUTPUT: NFET GATE DRIVERS
GH & GL Rise Times
GH & GL Fall Times
GL to GH Non Overlap Time
SWN to GL Non Overlap
Time
35
30
45
25
50
40
70
40
ns
ns
ns
ns
Measured  0% to 90%
Measured 90% to  0%
GH & GL Measured at
2.0V
Measured SWN =
 00mV to GL = 2.0V
GH & GL Pull Down
Resistance
Driver Pull Down Resistance
Driver Pull Up Resistance
 5
50
 .5
2.5
85
 .9
3.9
Ω
Ω
BLOCK DIAGRAM
VCC
5
COMP
SS
NON SYNCH. STARTUP
COMPARATOR
GL HOLD OFF
VFB
4
10 uA
SOFTSTART INPUT
SS 8
VCC
0.1V
VFBINT
VCC
Gm ERROR AMPLIFIER
Gm
VPOS
POS REF
FAULT
PW M LO O P
FAULT
1.6 V
RESET
DOMINANT
R
Q
S
QPWM
SYNCHRO NO US
DRIVER
13 BST
12 GH
11 SWN
1 GL
FAULT
600 kHZ
RAMP = 1V
CLK
2
PGND
CLOCK PULSE GENERATOR
2.8 V
1.3 V
VCC
16
REFERENCE
CORE
0.8V
REF OK
1 uA
VCC
ENABLE
EN
6
1.7V ON
1.0V OFF
COMPARATOR
4.25 V ON
4.05 V OFF
VCC UVLO
POWER FAULT
FAULT
145oC ON
THERMAL
SHUTDOWN
SET
DOMINANT
5V
LINEAR
REGULATOR
VPOS
135oC OFF
0.25V
SHORT CIRCUIT
DETECTION
S
R
Q
HICCUP FAULT
3
GND
VIN
14
VFBINT
CLK
UVIN
15
140 K?
OVER CURRENT
DETECTION
100ms Delay
COUNTER
CLR
2.50 V ON
2.20 V OFF
50 K?
VIN UVLO
10
9
60 mV
REF OK
VFB
Power Good
7
PWRGD
UVLO CO MPARATORS
ISP
ISN
THERMAL AND O VER CURRENT PROTECTIO N
0.74 V ON
0.72 V OFF
Oct 3 -06 Rev L
SP6 36 Synchronous Buck Controller
4
? 2006 Sipex Corporation
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