NCP1607 查看數據表（PDF） - ON Semiconductor
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NCP1607 Datasheet PDF : 23 Pages
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NCP1607
ELECTRICAL CHARACTERISTICS
(For typical values, TJ = 25°C. For min/max values, TJ = −40°C to +125°C, unless otherwise specified,
VCC = 12 V, VFB = 2.4 V, VCS = 0 V, VCONTROL = open, VZCD = open, CDRV = 1 nF, CT = 1 nF)
Characteristics
Symbol
Min
VCC UNDERVOLTAGE LOCKOUT SECTION
VCC Startup Threshold (Undervoltage Lockout Threshold, Vcc rising)
−25°C < TJ < +125°C
−40°C < TJ < +125°C
VCC Disable Voltage after Turn On (Undervoltage Lockout Threshold, VCC falling)
−25°C < TJ < +125°C
−40°C < TJ < +125°C
Undervoltage Lockout Hysteresis
DEVICE CONSUMPTION
ICC consumption during startup: 0 V < VCC < VCC(on) − 200 mV
ICC consumption after turn on at No Load, 70 kHz switching
ICC consumption after turn on at 70 kHz switching
ICC consumption after turn on at no switching
(such as during OVP fault, UVP fault, or grounding ZCD)
VCC(on)
VCC(off)
HUVLO
ICC(startup)
ICC1
ICC2
ICC(fault)
11.0
10.9
8.7
8.5
2.2
−
−
−
−
REGULATION BLOCK (ERROR AMPLIFIER)
Voltage Reference
TJ = 25 °C
−25°C < TJ < +125°C
−40°C < TJ < +125°C
VREF Line Regulation from VCC(on) + 200 mV < VCC < 20 V, TJ = 25°C
Error Amplifier Current Capability: (Note 3)
Sink (VControl = 4 V, VFB = 2.6 V):
Source (VControl = 4 V, VFB = 2.4 V):
Error Amplifier Open Loop DC Gain (Note 4)
Unity Gain Bandwidth (Note 4)
VREF
VREF(line)
IEA
GOL
BW
2.475
2.465
2.460
−2.0
8.0
−2.0
−
−
FB Bias Current (VFB = 2.5 V)
FB Pull Down Resistor (VFB = 2.5 V)
Control Pin Bias Current (FB = 0 V and VCONTROL = 4.0 V)
VCONTROL (IEASOURCE = 0.5 mA, VFB = 2.4 V)
VCONTROL (IEASINK = 0.5 mA, VFB = 2.6 V)
VEA(diff) = VEAH − VEAL
CURRENT SENSE BLOCK
Overcurrent Voltage Threshold
Leading Edge Blanking Duration
Overcurrent Voltage Propagation Delay
CS Bias Current (VCS = 2 V)
ZERO CURRENT DETECTION
Zero Current Detection Threshold (VZCD rising)
Zero Current Detection Threshold (VZCD falling)
VZCDH − VZCDL
Maximum ZCD bias Current (VZCD = 5 V)
Upper Clamp Voltage (IZCD = 2.5 mA)
Current Capability of the Positive Clamp at VZCD = VCL(POS) + 200 mV:
Negative Active Clamp Voltage (IZCD = −2.5 mA)
3. Parameter values are valid for transient conditions only.
4. Parameter characterized and guaranteed by design, but not tested in production.
IFB
RFB
ICONTROL
VEAH
VEAL
VEA(diff)
VCS(limit)
tLEB
tCS
ICS
VZCDH
VZCDL
VZCD(HYS)
IZCD
VCL(POS)
ICL(POS)
VCL(NEG)
0.25
2.0
−1.0
4.9
1.85
3.0
0.45
150
40
−1.0
1.9
1.45
300
−2.0
5.0
5.0
0.45
Typ
11.8
11.8
9.5
9.5
2.5
23.5
1.4
2.17
1.2
2.50
2.50
2.50
−
17
−6.0
80
1.0
0.53
4.7
−
5.3
2.1
3.2
0.5
256
100
−
2.1
1.6
500
−
5.7
8.5
0.6
Max Unit
V
13.0
13.1
V
10.3
10.5
2.8
V
40
mA
2.0
mA
3.0
mA
1.6
mA
2.525
2.535
2.540
2.0
−
−
−
−
1.25
10
1.0
5.7
2.4
3.4
V
mV
mA
dB
MHz
mA
MW
mA
V
V
V
0.55
V
350
ns
170
ns
1.0
mA
2.3
V
1.75
V
800
mV
+2.0 mA
6.5
V
−
mA
0.75
V
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