参数资料
| 型号： | NCP1034DR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 5/23页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 16-SOIC |
| 标准包装： | 1 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 500kHz |
| 占空比： | 80% |
| 电源电压： | 10 V ~ 18 V |
| 降压： | 是 |
| 升压： | 无 |
| 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 ~ 125°C |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 包装： | 标准包装 |
| 产品目录页面： | 1118 (CN2011-ZH PDF) |
| 其它名称： | NCP1034DR2GOSDKR |
NCP1034
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, these specifications apply over V CC = 12 V,
DRVV CC = V B = 12 V, ? 40 ° C < TJ < 125 ° C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
REFERENCE VOLTAGE
Feedback Voltage
V FB
1.25
V
Accuracy
? 40 ° C < T J < 125 ° C
? 1.5
+1.5
%
FB Voltage Line Regulation
L REG
10 V < V CC < 18 V (Note 3)
2.0
mV
SUPPLY CURRENT
V CC Supply Current (Stat)
DRVV CC Supply Current (Stat)
V B Supply Current (Stat)
I CC(Static)
I C(Static)
I B(Static)
S S = 0 V, No Switching, R T = 10 k W ,
R OCSET = 10 k W
S S = 0 V, No Switching
S S = 0 V, No Switching
2.0
0.1
0.1
3.0
0.3
0.3
mA
mA
mA
UNDERVOLTAGE LOCKOUT
V CC ? Start ? Threshold
V CC ? Stop ? Threshold
V CC_UVLO (R)
V CC_UVLO (F)
Supply Ramping Up
Supply Ramping Down
7.9
7.3
8.9
8.2
9.8
9.0
V
V
V CC ? Hysteresis
Supply Ramping Up and Down
0.7
V
DRV CC ? Start ? Threshold
DRV CC ? Stop ? Threshold
DRV CC_UVLO (R)
DRV CC_UVLO (F)
Supply Ramping Up
Supply Ramping Down
7.9
7.3
8.9
8.2
9.8
9.0
V
V
DRV CC ? Hysteresis
Supply Ramping Up and Down
0.7
V
V B ? Start ? Threshold
V B ? Stop ? Threshold
V B_UVLO (R)
V B_UVLO (F)
Supply Ramping Up
Supply Ramping Down
7.9
7.3
8.9
8.2
9.8
9.0
V
V
V B ? Hysteresis
Supply Ramping Up and Down
0.7
V
Undervoltage Threshold Value
Undervoltage Threshold Value
U UVLO (Rising)
U UVLO (Falling)
1.19
1.10
1.25
1.15
1.31
1.20
V
V
OSCILLATOR
Frequency
F S
R T = 20 k W
R T = 10 k W
170
320
200
375
230
430
kHz
Ramp Amplitude
Min Duty Cycle
Min Pulse Width
Max Duty Cycle
SYNC Frequency Range
SYNC Pulse Duration
SYNC High Level
SYNC Low Level
SYNC Input Threshold
SYNC Input Hysteresis
SYNC Input Impedance
SYNC Output Impedance
SYNC Output Pulse Width
V ramp
D min
D min(ctrl)
D max
SYNC(F S )
SYNC (pulse)
SYNC (H)
SYNC (L)
SYNC (Thre)
SYNC (Hyst)
SYNC (ZIN)
SYNC (OUT)
SYNC (Pulse Width)
(Note 3)
FB = 2 V
F S = 200 kHz, (Note 3)
F S = 400 kHz, FB = 1.2 V
20% Above Free Running
Frequency
(Note 3)
(Note 3)
F S = 500 kHz, (Note 3)
80
200
2.0
300
2.0
1.6
16
2.5
300
0
200
500
0.8
V
%
ns
%
kHz
ns
V
V
V
mV
k W
k W
ns
ERROR AMPLIFIER
Input Bias Current
I FB
S S = 3 V, FB = 1 V
? 0.1
? 0.4
m A
2. Cold temperature performance is guaranteed via correlation using statistical quality control. Not tested in production.
3. Guaranteed by design but not tested in production.
http://onsemi.com
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