参数资料
型号: LV5256GP-TE-L-E
厂商: ON Semiconductor
文件页数: 5/9页
文件大小: 0K
描述: IC REG BUCK BOOST SYNC ADJ VCT20
标准包装: 2,000
类型: 降压(降压),升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 1 V ~ 14 V
输入电压: 4.5 V ~ 10 V
频率 - 开关: 300kHz ~ 1.5MHz
电流 - 输出: 600mA
同步整流器:
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-WFQFN
包装: 带卷 (TR)
供应商设备封装: 20-VCT(3x3)
LV5256GP
Block Diagrams and Sample Application Circuit 1 (Step-down)
100k Ω at 1MHz
0.1 μ F
REG_O
RT
disable
VIN
VIN=4.5 to 10V
BIAS
VREF
VREG
UVLO
OSC
1 μ F
ot
Vref
V1
or
V2
FB
IN
disable
TSD
Vref1R2
(1.2V)
(1.0V±1%)
+
+
+
3.3V
1.0V
0.5V
disable
ot
uvlo
tout
2.8V/2.5V
uvlo
pwm Control
Logic
L/S
Vout-5
VREG
LDO with OPC
Vout-5
VOUT
VOUT-5
22 μ H
SW
0.022 μ F
V1 (Normal operation)
=1.0V to VIN
V2 (Tracking operaton)
=0V to VIN
4.7 μ F
+
du_sel
SBD
0.01 μ F at 1.25ms
OCP
disable
uvlo
R
SQ
tout
PGND
LGND
GND/
OPEN
DU_SEL
L/S
+
du_sel
vdd
VDD
VDD=2.9 to 3.1V
+
+
+
× 0.8
× 0.4
VrefR2
disable disable
uvlo
0.1 μ F
OPC_SEL
GND/OPEN: × 0.8
REG_O: × 0.4
Vref
+
Vref1R2
TRAC_IN
SS
ONOFF
pin heap 17 pin
0.033 μ F at 3.3ms
Sample Application Circuit 2 (Step-up)
100k Ω at 1MHz
0.1 μ F
REG_O
RT
disable
VIN
VIN=4.5~10V
BIAS
VREF
VREG
UVLO
OSC
1 μ F
disable
TSD
ot
Vref
Vref1R2
(1.2V)
3.3V
1.0V
0.5V
2.8V/2.5V
uvlo
LDO with OPC
VOUT
VOUT1 (Normal operation)
=5.3V to 14V
VOUT1
or
VOUT2
FB
IN
(1.0V±1%)
+
+
+
disable
ot
uvlo
tout
pwm Control
Logic
L/S
Vout-5
VREG
Vout-5
VOUT-5
SW
VOUT2 (Tracking operaton)
=VIN or more
4.7 μ F
10 μ H
+
du_sel
0.01 μ F at 1.25ms
OCP
disable
uvlo
R
SQ
tout
PGND
LGND
REG_O
DU_SEL
L/S
+
du_sel
vdd
VDD
VDD=2.9~3.1V
+
+
+
× 0.8
× 0.4
VrefR2
disable disable
uvlo
0.1 μ F
OPC_SEL
GND/OPEN: × 0.8
REG_O: × 0.4
Vref
+
Vref1R2
TRAC_IN
SS
ONOFF
pin heap 17 pin
0.033 μ F at 3.3ms
No.A1277-5/9
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