NCP1205DR2G ON Semiconductor, NCP1205DR2G Datasheet - Page 5

• Manufacturer Part Number: NCP1205DR2G
• Description: IC CTRLR PWM CM OVP HV 16SOIC
• Manufacturer: ON Semiconductor

Specifications of NCP1205DR2G

• Output Isolation: Isolated
• Frequency Range: 90 ~ 125kHz
• Voltage - Input: 8 ~ 30 V
• Operating Temperature: -25°C ~ 150°C
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Number Of Outputs: 1
• Output Current: 250 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 110 KHz
• Operating Supply Voltage: 30 V
• Maximum Operating Temperature: + 125 C
• Fall Time: 30 ns
• Minimum Operating Temperature: - 25 C
• Rise Time: 30 ns
• Synchronous Pin: No
• Topology: Flyback, Forward
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: NCP1205DR2G; NCP1205DR2GOSTR

Demag
OVP
NC
NC
HV
FB
Ct
1
2
3
4
5
6
7
Ri
Lasts more than 128 ms?
----> Protection Circuitry
Last Pulse of Demag
Protection (OCP)
+
--
Over Current
V(--) < 1.5 V
DEMAG ?
+
--
after 4 ms
Rf
2.5 V
Figure 4. Internal Circuit Architecture for PDIP- -14 Version
V
V
err
err
1/3
Max = 3 V
Min = 10 mV
+
--
http://onsemi.com
OVP
Internal V
2.0 k
5
1 V
Current Comparator
CC
V
Startup
err
Internal Regulator
Max T
R
V
T
CO
off
Flip--Flop
Clock
Feedback
= f (V
off
D
= f (Ct)
OVP
err
)
Q
UVLO
UVLO
Internal Clamp
200 ns L.E.B
2.8 V
Driver
L
H
= 7.2 V
= 15 V
+
--
+
--
V
CC
Pin 13
18 k
14
13
12
10
11
9
8
V
DRV
I
GND
NC
NC
sense
CC